mirror of
https://github.com/tildearrow/furnace.git
synced 2024-12-20 23:40:23 +00:00
54e93db207
not reliable yet
815 lines
32 KiB
Text
815 lines
32 KiB
Text
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dnl Process this file with autoconf to produce a configure script.
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dnl Define the fftw version number as M4 macros, so that we can enforce
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dnl the invariant that the minor version number in FFTW-X.Y.MINOR is the same
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dnl as the revision number in SHARED_VERSION_INFO.
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define(FFTW_MAJOR_VERSION, 3.3)dnl
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define(FFTW_MINOR_VERSION, 10)dnl
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dnl Version number of the FFTW source package.
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AC_INIT(fftw, FFTW_MAJOR_VERSION.FFTW_MINOR_VERSION, fftw@fftw.org)
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AC_CONFIG_SRCDIR(kernel/ifftw.h)
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dnl Version number for libtool shared libraries. Libtool wants a string
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dnl of the form CURRENT:REVISION:AGE. We adopt the convention that
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dnl REVISION is the same as the FFTW minor version number.
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dnl fftw-3.1.x was 4:x:1
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dnl fftw-3.2.x was 5:x:2
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dnl fftw-3.3.x was 6:x:3 for x < 4
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dnl fftw-3.3.4 was 7:x:4
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dnl fftw-3.3.5 was 8:x:5 (added planner hooks)
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dnl fftw-3.3.6 was 8:x:6 (8:x:6 is a bug, should have been 8:x:5. No API changes)
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dnl fftw-3.3.6.1 fixes the 8:x:6 screwup
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dnl fftw-3.3.7 was 8:x:5 (No API changes)
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dnl fftw-3.3.8 was 8:x:5 (No API changes)
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dnl fftw-3.3.9 was 9:x:6 (added threads callback)
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dnl fftw-3.3.10 was 9:x:6 (No API changes)
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SHARED_VERSION_INFO="9:FFTW_MINOR_VERSION:6" # CURRENT:REVISION:AGE
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AM_INIT_AUTOMAKE(1.7)
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AM_CONFIG_HEADER(config.h)
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AC_CONFIG_MACRO_DIR([m4])
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AM_MAINTAINER_MODE
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AC_SUBST(SHARED_VERSION_INFO)
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AC_DISABLE_SHARED dnl to hell with shared libraries
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AC_CANONICAL_HOST
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dnl configure options
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case "${host_cpu}" in
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powerpc*) arch_prefers_fma=yes;;
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ia64*) arch_prefers_fma=yes;;
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hppa*) arch_prefers_fma=yes;;
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mips64*) arch_prefers_fma=yes;;
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*) arch_prefers_fma=no;;
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esac
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AC_ARG_ENABLE(debug, [AC_HELP_STRING([--enable-debug],[compile fftw with extra runtime checks for debugging])], ok=$enableval, ok=no)
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if test "$ok" = "yes"; then
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AC_DEFINE(FFTW_DEBUG,1,[Define to enable extra FFTW debugging code.])
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fi
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AC_ARG_ENABLE(doc, [AC_HELP_STRING([--disable-doc],[disable building the documentation])], build_doc=$enableval, build_doc=yes)
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AM_CONDITIONAL(BUILD_DOC, test x"$build_doc" = xyes)
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AC_ARG_ENABLE(random-estimator, [AC_HELP_STRING([--enable-random-estimator],[enable pseudorandom estimator (debugging hack)])], ok=$enableval, ok=no)
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if test "$ok" = "yes"; then
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AC_DEFINE(FFTW_RANDOM_ESTIMATOR,1,[Define to enable pseudorandom estimate planning for debugging.])
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CHECK_PL_OPTS="--estimate"
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fi
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AC_ARG_ENABLE(alloca, [AC_HELP_STRING([--disable-alloca],[disable use of the alloca() function (may be broken on mingw64)])], ok=$enableval, ok=yes)
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if test "$ok" = "yes"; then
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AC_DEFINE(FFTW_ENABLE_ALLOCA,1,[Define to enable the use of alloca().])
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fi
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AC_ARG_ENABLE(single, [AC_HELP_STRING([--enable-single],[compile fftw in single precision])], ok=$enableval, ok=no)
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AC_ARG_ENABLE(float, [AC_HELP_STRING([--enable-float],[synonym for --enable-single])], ok=$enableval)
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if test "$ok" = "yes"; then
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AC_DEFINE(FFTW_SINGLE,1,[Define to compile in single precision.])
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AC_DEFINE(BENCHFFT_SINGLE,1,[Define to compile in single precision.])
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PRECISION=s
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else
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PRECISION=d
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fi
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AM_CONDITIONAL(SINGLE, test "$ok" = "yes")
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AC_ARG_ENABLE(long-double, [AC_HELP_STRING([--enable-long-double],[compile fftw in long-double precision])], ok=$enableval, ok=no)
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if test "$ok" = "yes"; then
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if test "$PRECISION" = "s"; then
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AC_MSG_ERROR([--enable-single/--enable-long-double conflict])
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fi
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AC_DEFINE(FFTW_LDOUBLE,1,[Define to compile in long-double precision.])
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AC_DEFINE(BENCHFFT_LDOUBLE,1,[Define to compile in long-double precision.])
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PRECISION=l
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fi
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AM_CONDITIONAL(LDOUBLE, test "$ok" = "yes")
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AC_ARG_ENABLE(quad-precision, [AC_HELP_STRING([--enable-quad-precision],[compile fftw in quadruple precision if available])], ok=$enableval, ok=no)
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if test "$ok" = "yes"; then
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if test "$PRECISION" != "d"; then
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AC_MSG_ERROR([conflicting precisions specified])
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fi
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AC_DEFINE(FFTW_QUAD,1,[Define to compile in quad precision.])
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AC_DEFINE(BENCHFFT_QUAD,1,[Define to compile in quad precision.])
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PRECISION=q
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fi
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AM_CONDITIONAL(QUAD, test "$ok" = "yes")
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AC_SUBST(PRECISION)
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AC_SUBST(CHECK_PL_OPTS)
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dnl SSE/SSE2 theory:
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dnl
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dnl Historically, you had to supply --enable-sse in single precision and --enable-sse2
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dnl in double precision.
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dnl
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dnl This behavior is pointless in 2016. --enable-sse2 now works in both precisions,
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dnl and is interpreted as --enable-sse in single precision. The old flag --enable--se
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dnl is still supported in single-precision only.
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AC_ARG_ENABLE(sse, [AC_HELP_STRING([--enable-sse],[enable SSE optimizations])], have_sse=$enableval, have_sse=no)
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if test "$have_sse" = "yes"; then
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if test "$PRECISION" != "s"; then
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AC_MSG_ERROR([SSE requires single precision])
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fi
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fi
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AC_ARG_ENABLE(sse2, [AC_HELP_STRING([--enable-sse2],[enable SSE/SSE2 optimizations])], have_sse2=$enableval, have_sse2=no)
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if test "$have_sse" = "yes"; then have_sse2=yes; fi
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if test "$have_sse2" = "yes"; then
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AC_DEFINE(HAVE_SSE2,1,[Define to enable SSE/SSE2 optimizations.])
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if test "$PRECISION" != "d" -a "$PRECISION" != "s"; then
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AC_MSG_ERROR([SSE2 requires single or double precision])
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fi
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fi
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AM_CONDITIONAL(HAVE_SSE2, test "$have_sse2" = "yes")
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AC_ARG_ENABLE(avx, [AC_HELP_STRING([--enable-avx],[enable AVX optimizations])], have_avx=$enableval, have_avx=no)
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if test "$have_avx" = "yes"; then
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AC_DEFINE(HAVE_AVX,1,[Define to enable AVX optimizations.])
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if test "$PRECISION" != "d" -a "$PRECISION" != "s"; then
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AC_MSG_ERROR([AVX requires single or double precision])
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fi
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fi
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AM_CONDITIONAL(HAVE_AVX, test "$have_avx" = "yes")
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AC_ARG_ENABLE(avx2, [AC_HELP_STRING([--enable-avx2],[enable AVX2 optimizations])], have_avx2=$enableval, have_avx2=no)
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if test "$have_avx2" = "yes"; then
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AC_DEFINE(HAVE_AVX2,1,[Define to enable AVX2 optimizations.])
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if test "$PRECISION" != "d" -a "$PRECISION" != "s"; then
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AC_MSG_ERROR([AVX2 requires single or double precision])
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fi
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fi
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AM_CONDITIONAL(HAVE_AVX2, test "$have_avx2" = "yes")
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AC_ARG_ENABLE(avx512, [AC_HELP_STRING([--enable-avx512],[enable AVX512 optimizations])], have_avx512=$enableval, have_avx512=no)
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if test "$have_avx512" = "yes"; then
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AC_DEFINE(HAVE_AVX512,1,[Define to enable AVX512 optimizations.])
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if test "$PRECISION" != "d" -a "$PRECISION" != "s"; then
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AC_MSG_ERROR([AVX512 requires single or double precision])
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fi
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fi
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AM_CONDITIONAL(HAVE_AVX512, test "$have_avx512" = "yes")
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dnl 128-bit AVX is special. There is no reason to use it on Intel processors
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dnl since SSE2 is just as fast. However, on AMD processors we can both use
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dnl FMA4, and 128-bit SIMD is better than 256-bit since core pairs in a
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dnl compute unit can execute two 128-bit instructions independently.
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AC_ARG_ENABLE(avx-128-fma, [AC_HELP_STRING([--enable-avx-128-fma],[enable AVX128/FMA optimizations])], have_avx_128_fma=$enableval, have_avx_128_fma=no)
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if test "$have_avx_128_fma" = "yes"; then
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AC_DEFINE(HAVE_AVX_128_FMA,1,[Define to enable 128-bit FMA AVX optimization])
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AVX_128_FMA_CFLAGS="${AVX_CFLAGS} -mfma4"
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AC_SUBST(AVX_128_FMA_CFLAGS)
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fi
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AM_CONDITIONAL(HAVE_AVX_128_FMA, test "$have_avx_128_fma" = "yes")
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AC_ARG_ENABLE(kcvi, [AC_HELP_STRING([--enable-kcvi],[enable Knights Corner vector instructions optimizations])], have_kcvi=$enableval, have_kcvi=no)
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if test "$have_kcvi" = "yes"; then
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AC_DEFINE(HAVE_KCVI,1,[Define to enable KCVI optimizations.])
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if test "$PRECISION" != "d" -a "$PRECISION" != "s"; then
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AC_MSG_ERROR([Knights Corner vector instructions requires single or double precision])
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fi
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fi
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AM_CONDITIONAL(HAVE_KCVI, test "$have_kcvi" = "yes")
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AC_ARG_ENABLE(altivec, [AC_HELP_STRING([--enable-altivec],[enable Altivec optimizations])], have_altivec=$enableval, have_altivec=no)
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if test "$have_altivec" = "yes"; then
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AC_DEFINE(HAVE_ALTIVEC,1,[Define to enable Altivec optimizations.])
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if test "$PRECISION" != "s"; then
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AC_MSG_ERROR([Altivec requires single precision])
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fi
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fi
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AM_CONDITIONAL(HAVE_ALTIVEC, test "$have_altivec" = "yes")
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AC_ARG_ENABLE(vsx, [AC_HELP_STRING([--enable-vsx],[enable IBM VSX optimizations])], have_vsx=$enableval, have_vsx=no)
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if test "$have_vsx" = "yes"; then
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AC_DEFINE(HAVE_VSX,1,[Define to enable IBM VSX optimizations.])
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fi
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AM_CONDITIONAL(HAVE_VSX, test "$have_vsx" = "yes")
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AC_ARG_ENABLE(neon, [AC_HELP_STRING([--enable-neon],[enable ARM NEON optimizations])], have_neon=$enableval, have_neon=no)
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if test "$have_neon" = "yes"; then
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AC_DEFINE(HAVE_NEON,1,[Define to enable ARM NEON optimizations.])
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case "${host_cpu}" in
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aarch64)
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;;
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*)
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if test "$PRECISION" != "s"; then
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AC_MSG_ERROR([NEON requires single precision])
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fi
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;;
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esac
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fi
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AM_CONDITIONAL(HAVE_NEON, test "$have_neon" = "yes")
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AC_ARG_ENABLE(armv8-pmccntr-el0, [AC_HELP_STRING([--enable-armv8-pmccntr-el0],[enable the cycle counter on ARMv8 via the PMCCNTR_EL0 register (see README-perfcounters for details and mandatory instructions)])], have_armv8pmccntrel0=$enableval)
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if test "$have_armv8pmccntrel0"x = "yes"x; then
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AC_DEFINE(HAVE_ARMV8_PMCCNTR_EL0,1,[Define if you have enabled the PMCCNTR_EL0 cycle counter on ARMv8])
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fi
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AC_ARG_ENABLE(armv8-cntvct-el0, [AC_HELP_STRING([--enable-armv8-cntvct-el0],[enable the cycle counter on ARMv8 via the CNTVCT_EL0 register (see README-perfcounters for details and mandatory instructions)])], have_armv8cntvctel0=$enableval)
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if test "$have_armv8cntvctel0"x = "yes"x; then
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AC_DEFINE(HAVE_ARMV8_CNTVCT_EL0,1,[Define if you have enabled the CNTVCT_EL0 cycle counter on ARMv8])
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fi
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AC_ARG_ENABLE(armv7a-cntvct, [AC_HELP_STRING([--enable-armv7a-cntvct],[enable the cycle counter on Armv7a via the CNTVCT register (see README-perfcounters for details and mandatory instructions)])], have_armv7acntvct=$enableval)
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if test "$have_armv7acntvct"x = "yes"x; then
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AC_DEFINE(HAVE_ARMV7A_CNTVCT,1,[Define if you have enabled the CNTVCT cycle counter on ARMv7a])
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fi
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AC_ARG_ENABLE(armv7a-pmccntr, [AC_HELP_STRING([--enable-armv7a-pmccntr],[enable the cycle counter on Armv7a via the PMCCNTR register (see README-perfcounters for details and mandatory instructions)])], have_armv7apmccntr=$enableval)
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if test "$have_armv7apmccntr"x = "yes"x; then
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AC_DEFINE(HAVE_ARMV7A_PMCCNTR,1,[Define if you have enabled the PMCCNTR cycle counter on ARMv7a])
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fi
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AC_ARG_ENABLE(generic-simd128, [AC_HELP_STRING([--enable-generic-simd128],[enable generic (gcc) 128-bit SIMD optimizations])], have_generic_simd128=$enableval, have_generic_simd128=no)
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if test "$have_generic_simd128" = "yes"; then
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AC_DEFINE(HAVE_GENERIC_SIMD128,1,[Define to enable generic (gcc) 128-bit SIMD optimizations.])
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fi
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AM_CONDITIONAL(HAVE_GENERIC_SIMD128, test "$have_generic_simd128" = "yes")
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AC_ARG_ENABLE(generic-simd256, [AC_HELP_STRING([--enable-generic-simd256],[enable generic (gcc) 256-bit SIMD optimizations])], have_generic_simd256=$enableval, have_generic_simd256=no)
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if test "$have_generic_simd256" = "yes"; then
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AC_DEFINE(HAVE_GENERIC_SIMD256,1,[Define to enable generic (gcc) 256-bit SIMD optimizations.])
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fi
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AM_CONDITIONAL(HAVE_GENERIC_SIMD256, test "$have_generic_simd256" = "yes")
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dnl FIXME:
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dnl AC_ARG_ENABLE(mips-ps, [AC_HELP_STRING([--enable-mips-ps],[enable MIPS pair-single optimizations])], have_mips_ps=$enableval, have_mips_ps=no)
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dnl if test "$have_mips_ps" = "yes"; then
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dnl AC_DEFINE(HAVE_MIPS_PS,1,[Define to enable MIPS paired-single optimizations.])
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dnl if test "$PRECISION" != "s"; then
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dnl AC_MSG_ERROR([MIPS paired-single requires single precision])
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dnl fi
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dnl fi
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dnl AM_CONDITIONAL(HAVE_MIPS_PS, test "$have_mips_ps" = "yes")
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AC_ARG_WITH(slow-timer, [AC_HELP_STRING([--with-slow-timer],[use low-precision timers (SLOW)])], with_slow_timer=$withval, with_slow_timer=no)
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if test "$with_slow_timer" = "yes"; then
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AC_DEFINE(WITH_SLOW_TIMER,1,[Use low-precision timers, making planner very slow])
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fi
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AC_ARG_ENABLE(mips_zbus_timer, [AC_HELP_STRING([--enable-mips-zbus-timer],[use MIPS ZBus cycle-counter])], have_mips_zbus_timer=$enableval, have_mips_zbus_timer=no)
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if test "$have_mips_zbus_timer" = "yes"; then
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AC_DEFINE(HAVE_MIPS_ZBUS_TIMER,1,[Define to enable use of MIPS ZBus cycle-counter.])
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fi
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AC_ARG_WITH(our-malloc, [AC_HELP_STRING([--with-our-malloc],[use our aligned malloc (helpful for Win32)])], with_our_malloc=$withval, with_our_malloc=no)
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AC_ARG_WITH(our-malloc16, [AC_HELP_STRING([--with-our-malloc16],[Obsolete alias for --with-our-malloc16])], with_our_malloc=$withval)
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if test "$with_our_malloc" = "yes"; then
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AC_DEFINE(WITH_OUR_MALLOC,1,[Use our own aligned malloc routine; mainly helpful for Windows systems lacking aligned allocation system-library routines.])
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fi
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AC_ARG_WITH(windows-f77-mangling, [AC_HELP_STRING([--with-windows-f77-mangling],[use common Win32 Fortran interface styles])], with_windows_f77_mangling=$withval, with_windows_f77_mangling=no)
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if test "$with_windows_f77_mangling" = "yes"; then
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AC_DEFINE(WINDOWS_F77_MANGLING,1,[Use common Windows Fortran mangling styles for the Fortran interfaces.])
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fi
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AC_ARG_WITH(incoming-stack-boundary, [AC_HELP_STRING([--with-incoming-stack-boundary=X],[Assume that stack is aligned to (1<<X) bytes])], with_incoming_stack_boundary=$withval, with_incoming_stack_boundary=no)
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AC_ARG_ENABLE(fma, [AC_HELP_STRING([--enable-fma],[enable if the machine architecture "naturally" prefers fused multiply-add instructions])], arch_prefers_fma=$enableval)
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if test "$arch_prefers_fma"x = "yes"x; then
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AC_DEFINE(ARCH_PREFERS_FMA,1,[Define if the machine architecture "naturally" prefers fused multiply-add instructions])
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fi
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dnl compute library suffix
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case "$PRECISION" in
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s) PREC_SUFFIX=f;;
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d) PREC_SUFFIX=;;
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l) PREC_SUFFIX=l;;
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q) PREC_SUFFIX=q;;
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esac
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AC_SUBST(PREC_SUFFIX)
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dnl Checks for programs.
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AC_PROG_CC
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AM_PROG_CC_C_O
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AX_COMPILER_VENDOR
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AC_PROG_CC_STDC
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AC_PROG_INSTALL
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AC_PROG_LN_S
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AC_PROG_MAKE_SET
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AC_LIBTOOL_WIN32_DLL
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AC_PROG_LIBTOOL
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AC_PROG_RANLIB
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AC_CHECK_PROG(OCAMLBUILD, ocamlbuild, ocamlbuild)
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dnl -----------------------------------------------------------------------
|
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AC_ARG_ENABLE(mpi, [AC_HELP_STRING([--enable-mpi],[compile FFTW MPI library])], enable_mpi=$enableval, enable_mpi=no)
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if test "$enable_mpi" = "yes"; then
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if test $PRECISION = q; then
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AC_MSG_ERROR([quad precision is not supported in MPI])
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fi
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ACX_MPI([],[AC_MSG_ERROR([could not find mpi library for --enable-mpi])])
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AC_CHECK_PROG(MPIRUN, mpirun, mpirun)
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AC_SUBST(MPIRUN)
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|
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save_CC=$CC
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CC=$MPICC
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AC_CHECK_SIZEOF(MPI_Fint, [], [#include <mpi.h>])
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CC=$save_CC
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|
if test 0 = $ac_cv_sizeof_MPI_Fint; then
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AC_MSG_WARN([sizeof(MPI_Fint) test failed]);
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|
dnl As a backup, assume Fortran integer == C int
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AC_CHECK_SIZEOF(int)
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if test 0 = $ac_cv_sizeof_int; then AC_MSG_ERROR([sizeof(int) test failed]); fi
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ac_cv_sizeof_MPI_Fint=$ac_cv_sizeof_int
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fi
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C_MPI_FINT=C_INT`expr $ac_cv_sizeof_MPI_Fint \* 8`_T
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AC_SUBST(C_MPI_FINT)
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fi
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AM_CONDITIONAL(MPI, test "$enable_mpi" = "yes")
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|
|
dnl -----------------------------------------------------------------------
|
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|
|
dnl determine CFLAGS first
|
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AX_CC_MAXOPT
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|
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case "${ax_cv_c_compiler_vendor}" in
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hp) # must (sometimes) manually increase cpp limits to handle fftw3.h
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|
AX_CHECK_COMPILER_FLAGS([-Wp,-H128000],
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[CC="$CC -Wp,-H128000"])
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;;
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|
portland) # -Masmkeyword required for asm("") cycle counters
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|
AX_CHECK_COMPILER_FLAGS([-Masmkeyword],
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[CC="$CC -Masmkeyword"])
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|
;;
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|
esac
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|
|
dnl Determine SIMD CFLAGS at least for gcc and icc
|
|
case "${ax_cv_c_compiler_vendor}" in
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gnu|intel)
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|
# SSE/SSE2
|
|
if test "$have_sse2" = "yes" -a "x$SSE2_CFLAGS" = x; then
|
|
if test "$PRECISION" = d; then flag=msse2; else flag=msse; fi
|
|
AX_CHECK_COMPILER_FLAGS(-$flag, [SSE2_CFLAGS="-$flag"],
|
|
[AC_MSG_ERROR([Need a version of gcc with -$flag])])
|
|
fi
|
|
|
|
# AVX
|
|
if test "$have_avx" = "yes" -a "x$AVX_CFLAGS" = x; then
|
|
AX_CHECK_COMPILER_FLAGS(-mavx, [AVX_CFLAGS="-mavx"],
|
|
[AC_MSG_ERROR([Need a version of gcc with -mavx])])
|
|
fi
|
|
|
|
# AVX2
|
|
if test "$have_avx2" = "yes" -a "x$AVX2_CFLAGS" = x; then
|
|
AX_CHECK_COMPILER_FLAGS(-mavx2, [AVX2_CFLAGS="-mavx2"],
|
|
[AC_MSG_ERROR([Need a version of gcc with -mavx2])])
|
|
AX_CHECK_COMPILER_FLAGS(-mfma, [AVX2_CFLAGS="$AVX2_CFLAGS -mfma"],
|
|
[AC_MSG_WARN([Need a version of gcc with -mfma (harmless for icc)])])
|
|
fi
|
|
|
|
# AVX512
|
|
if test "$have_avx512" = "yes" -a "x$AVX512_CFLAGS" = x; then
|
|
AX_CHECK_COMPILER_FLAGS(-mavx512f, [AVX512_CFLAGS="-mavx512f"],
|
|
[AC_MSG_ERROR([Need a version of gcc with -mavx512f])])
|
|
fi
|
|
|
|
if test "$host_vendor" = "apple"; then
|
|
# We need to tell gcc to use an external assembler to get AVX/AVX2 with gcc on OS X
|
|
AX_CHECK_COMPILER_FLAGS([-Wa,-q], [CFLAGS="$CFLAGS -Wa,-q"])
|
|
# Disable the new compact unwinding format so we avoid warnings/potential errors.
|
|
AX_CHECK_COMPILER_FLAGS([-Wl,-no_compact_unwind], [CFLAGS="$CFLAGS -Wl,-no_compact_unwind"])
|
|
fi
|
|
|
|
# KCVI
|
|
if test "$have_kcvi" = "yes" -a "x$KCVI_CFLAGS" = x; then
|
|
AX_CHECK_COMPILER_FLAGS(-mmic, [KCVI_CFLAGS="-mmic"],
|
|
[AC_MSG_ERROR([Need a version of icc with -mmic])])
|
|
fi
|
|
|
|
if test "$have_altivec" = "yes" -a "x$ALTIVEC_CFLAGS" = x; then
|
|
# -DFAKE__VEC__ is a workaround because gcc-3.3 does not
|
|
# #define __VEC__ with -maltivec.
|
|
AX_CHECK_COMPILER_FLAGS(-faltivec, [ALTIVEC_CFLAGS="-faltivec"],
|
|
[AX_CHECK_COMPILER_FLAGS(-maltivec -mabi=altivec,
|
|
[ALTIVEC_CFLAGS="-maltivec -mabi=altivec -DFAKE__VEC__"],
|
|
[AX_CHECK_COMPILER_FLAGS(-fvec, [ALTIVEC_CFLAGS="-fvec"],
|
|
[AC_MSG_ERROR([Need a version of gcc with -maltivec])])])])
|
|
fi
|
|
|
|
case "${host_cpu}" in
|
|
aarch64)
|
|
;;
|
|
*)
|
|
if test "$have_neon" = "yes" -a "x$NEON_CFLAGS" = x; then
|
|
AX_CHECK_COMPILER_FLAGS(-mfpu=neon, [NEON_CFLAGS="-mfpu=neon"],
|
|
[AC_MSG_ERROR([Need a version of gcc with -mfpu=neon])])
|
|
fi
|
|
;;
|
|
esac
|
|
|
|
if test "$have_vsx" = "yes" -a "x$VSX_CFLAGS" = x; then
|
|
AX_CHECK_COMPILER_FLAGS(-mvsx, [VSX_CFLAGS="-mvsx"],
|
|
[AC_MSG_ERROR([Need a version of gcc with -mvsx])])
|
|
fi
|
|
|
|
dnl FIXME:
|
|
dnl elif test "$have_mips_ps" = "yes"; then
|
|
dnl # Just punt here and use only new 4.2 compiler :(
|
|
dnl # Should add section for older compilers...
|
|
dnl AX_CHECK_COMPILER_FLAGS(-mpaired-single,
|
|
dnl [SIMD_CFLAGS="-mpaired-single"],
|
|
dnl #[AC_MSG_ERROR([Need a version of gcc with -mpaired-single])])
|
|
dnl [AX_CHECK_COMPILER_FLAGS(-march=mips64,
|
|
dnl [SIMD_CFLAGS="-march=mips64"],
|
|
dnl [AC_MSG_ERROR(
|
|
dnl [Need a version of gcc with -mpaired-single or -march=mips64])
|
|
dnl ])])
|
|
dnl fi
|
|
;;
|
|
|
|
clang)
|
|
|
|
if test "$have_avx" = "yes" -a "x$AVX_CFLAGS" = x; then
|
|
AX_CHECK_COMPILER_FLAGS(-mavx, [AVX_CFLAGS="-mavx"],
|
|
[AC_MSG_ERROR([Need a version of clang with -mavx])])
|
|
fi
|
|
|
|
if test "$have_avx2" = "yes" -a "x$AVX2_CFLAGS" = x; then
|
|
AX_CHECK_COMPILER_FLAGS(-mavx2, [AVX2_CFLAGS="-mavx2"],
|
|
[AC_MSG_ERROR([Need a version of clang with -mavx2])])
|
|
AX_CHECK_COMPILER_FLAGS(-mfma, [AVX2_CFLAGS="$AVX2_CFLAGS -mfma"])
|
|
fi
|
|
|
|
# AVX512
|
|
if test "$have_avx512" = "yes" -a "x$AVX512_CFLAGS" = x; then
|
|
AX_CHECK_COMPILER_FLAGS(-mavx512f, [AVX512_CFLAGS="-mavx512f"],
|
|
[AC_MSG_ERROR([Need a version of clang with -mavx512f])])
|
|
fi
|
|
|
|
if test "$have_vsx" = "yes" -a "x$VSX_CFLAGS" = x; then
|
|
# clang appears to need both -mvsx and -maltivec for VSX
|
|
AX_CHECK_COMPILER_FLAGS(-maltivec, [VSX_CFLAGS="-maltivec"],
|
|
[AC_MSG_ERROR([Need a version of gcc with -maltivec])])
|
|
AX_CHECK_COMPILER_FLAGS(-mvsx, [VSX_CFLAGS="-mvsx $VSX_CFLAGS"],
|
|
[AC_MSG_ERROR([Need a version of gcc with -mvsx])])
|
|
fi
|
|
;;
|
|
|
|
ibm)
|
|
if test "$have_vsx" = "yes" -a "x$VSX_CFLAGS" = x; then
|
|
# Note that IBM xlC uses -qaltivec for VSX too.
|
|
AX_CHECK_COMPILER_FLAGS(-qaltivec, [VSX_CFLAGS="-qaltivec"],
|
|
[AC_MSG_ERROR([Need a version of gcc with -qaltivec])])
|
|
fi
|
|
;;
|
|
esac
|
|
|
|
AC_SUBST(SSE2_CFLAGS)
|
|
AC_SUBST(AVX_CFLAGS)
|
|
AC_SUBST(AVX2_CFLAGS)
|
|
AC_SUBST(AVX512_CFLAGS)
|
|
AC_SUBST(KCVI_CFLAGS)
|
|
AC_SUBST(ALTIVEC_CFLAGS)
|
|
AC_SUBST(VSX_CFLAGS)
|
|
AC_SUBST(NEON_CFLAGS)
|
|
|
|
dnl add stack alignment CFLAGS if so requested
|
|
if test "$with_incoming_stack_boundary"x != "no"x; then
|
|
case "${ax_cv_c_compiler_vendor}" in
|
|
gnu)
|
|
tentative_flags="-mincoming-stack-boundary=$with_incoming_stack_boundary";
|
|
AX_CHECK_COMPILER_FLAGS($tentative_flags,
|
|
[STACK_ALIGN_CFLAGS=$tentative_flags])
|
|
;;
|
|
esac
|
|
fi
|
|
AC_SUBST(STACK_ALIGN_CFLAGS)
|
|
|
|
dnl Checks for header files.
|
|
AC_HEADER_STDC
|
|
AC_CHECK_HEADERS([fcntl.h fenv.h limits.h malloc.h stddef.h sys/time.h])
|
|
dnl c_asm.h: Header file for enabling asm() on Digital Unix
|
|
dnl intrinsics.h: cray unicos
|
|
dnl sys/sysctl.h: MacOS X altivec detection
|
|
|
|
dnl altivec.h requires $ALTIVEC_CFLAGS (we use this for VSX too, which uses the same header)
|
|
save_CFLAGS="$CFLAGS"
|
|
save_CPPFLAGS="$CPPFLAGS"
|
|
CFLAGS="$CFLAGS $ALTIVEC_CFLAGS $VSX_CFLAGS"
|
|
CPPFLAGS="$CPPFLAGS $ALTIVEC_CFLAGS $VSX_CFLAGS"
|
|
AC_CHECK_HEADERS([altivec.h])
|
|
CFLAGS="$save_CFLAGS"
|
|
CPPFLAGS="$save_CPPFLAGS"
|
|
|
|
dnl Checks for typedefs, structures, and compiler characteristics.
|
|
AC_C_CONST
|
|
AC_C_INLINE
|
|
AC_TYPE_SIZE_T
|
|
AC_TYPE_UINT32_T
|
|
AC_TYPE_UINT64_T
|
|
AC_HEADER_TIME
|
|
AC_CHECK_TYPE([long double],
|
|
[AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define to 1 if the compiler supports `long double'])],
|
|
[
|
|
if test $PRECISION = l; then
|
|
AC_MSG_ERROR([long double is not a supported type with your compiler.])
|
|
fi
|
|
])
|
|
AC_CHECK_TYPE([hrtime_t],[AC_DEFINE(HAVE_HRTIME_T, 1, [Define to 1 if hrtime_t is defined in <sys/time.h>])],,
|
|
[
|
|
#if HAVE_SYS_TIME_H
|
|
#include <sys/time.h>
|
|
#endif
|
|
])
|
|
|
|
AC_CHECK_SIZEOF(int)
|
|
AC_CHECK_SIZEOF(unsigned int)
|
|
AC_CHECK_SIZEOF(long)
|
|
AC_CHECK_SIZEOF(unsigned long)
|
|
AC_CHECK_SIZEOF(long long)
|
|
AC_CHECK_SIZEOF(unsigned long long)
|
|
AC_CHECK_SIZEOF(size_t)
|
|
AC_CHECK_SIZEOF(ptrdiff_t)
|
|
|
|
AC_CHECK_TYPES([ptrdiff_t])
|
|
AC_CHECK_TYPES(uintptr_t, [], [AC_CHECK_SIZEOF(void *)], [$ac_includes_default
|
|
#ifdef HAVE_STDINT_H
|
|
# include <stdint.h>
|
|
#endif])
|
|
|
|
AC_CHECK_SIZEOF(float)
|
|
AC_CHECK_SIZEOF(double)
|
|
|
|
dnl Check sizeof fftw_r2r_kind for Fortran interface [it has == sizeof(int)
|
|
dnl for years, but being paranoid]. Note: the definition here must match
|
|
dnl the one in api/fftw3.h!
|
|
AC_CHECK_SIZEOF(fftw_r2r_kind, [], [typedef enum {
|
|
FFTW_R2HC=0, FFTW_HC2R=1, FFTW_DHT=2,
|
|
FFTW_REDFT00=3, FFTW_REDFT01=4, FFTW_REDFT10=5, FFTW_REDFT11=6,
|
|
FFTW_RODFT00=7, FFTW_RODFT01=8, FFTW_RODFT10=9, FFTW_RODFT11=10
|
|
} fftw_r2r_kind;])
|
|
if test 0 = $ac_cv_sizeof_fftw_r2r_kind; then AC_MSG_ERROR([sizeof(fftw_r2r_kind) test failed]); fi
|
|
C_FFTW_R2R_KIND=C_INT`expr $ac_cv_sizeof_fftw_r2r_kind \* 8`_T
|
|
AC_SUBST(C_FFTW_R2R_KIND)
|
|
|
|
dnl Checks for library functions.
|
|
AC_FUNC_ALLOCA
|
|
AC_FUNC_STRTOD
|
|
AC_FUNC_VPRINTF
|
|
AC_CHECK_LIB(m, sin)
|
|
|
|
if test $PRECISION = q; then
|
|
AX_GCC_VERSION(4,6,0,[],[AC_MSG_ERROR([gcc 4.6 or later required for quad precision support])])
|
|
AC_CHECK_LIB(quadmath, sinq, [], [AC_MSG_ERROR([quad precision requires libquadmath for quad-precision trigonometric routines])])
|
|
LIBQUADMATH=-lquadmath
|
|
fi
|
|
AC_SUBST(LIBQUADMATH)
|
|
|
|
AC_CHECK_FUNCS([BSDgettimeofday gettimeofday gethrtime read_real_time time_base_to_time drand48 sqrt memset posix_memalign memalign _mm_malloc _mm_free clock_gettime mach_absolute_time sysctl abort sinl cosl snprintf memmove strchr getpagesize])
|
|
AC_CHECK_DECLS([sinl, cosl, sinq, cosq],,,[#include <math.h>])
|
|
AC_CHECK_DECLS([memalign],,,[
|
|
#ifdef HAVE_MALLOC_H
|
|
#include <malloc.h>
|
|
#endif])
|
|
AC_CHECK_DECLS([drand48, srand48, posix_memalign]) dnl in stdlib.h
|
|
|
|
dnl Cray UNICOS _rtc() (real-time clock) intrinsic
|
|
AC_MSG_CHECKING([for _rtc intrinsic])
|
|
rtc_ok=yes
|
|
AC_TRY_LINK([#ifdef HAVE_INTRINSICS_H
|
|
#include <intrinsics.h>
|
|
#endif], [_rtc()], [AC_DEFINE(HAVE__RTC,1,[Define if you have the UNICOS _rtc() intrinsic.])], [rtc_ok=no])
|
|
AC_MSG_RESULT($rtc_ok)
|
|
|
|
if test "$PRECISION" = "l"; then
|
|
AC_CHECK_FUNCS([cosl sinl tanl], [], [AC_MSG_ERROR([long-double precision requires long-double trigonometric routines])])
|
|
fi
|
|
|
|
AC_MSG_CHECKING([for isnan])
|
|
AC_TRY_LINK([#include <math.h>
|
|
], if (!isnan(3.14159)) isnan(2.7183);, ok=yes, ok=no)
|
|
if test "$ok" = "yes"; then
|
|
AC_DEFINE(HAVE_ISNAN,1,[Define if the isnan() function/macro is available.])
|
|
fi
|
|
AC_MSG_RESULT(${ok})
|
|
|
|
dnl TODO
|
|
AX_GCC_ALIGNS_STACK()
|
|
|
|
dnl override CFLAGS selection when debugging
|
|
if test "${enable_debug}" = "yes"; then
|
|
CFLAGS="-g"
|
|
fi
|
|
|
|
dnl add gcc warnings, in debug/maintainer mode only
|
|
if test "$enable_debug" = yes || test "$USE_MAINTAINER_MODE" = yes; then
|
|
if test "$ac_test_CFLAGS" != "set"; then
|
|
if test $ac_cv_prog_gcc = yes; then
|
|
CFLAGS="$CFLAGS -Wall -W -Wcast-qual -Wpointer-arith -Wcast-align -pedantic -Wno-long-long -Wshadow -Wbad-function-cast -Wwrite-strings -Wstrict-prototypes -Wredundant-decls -Wnested-externs" # -Wundef -Wconversion -Wmissing-prototypes -Wmissing-declarations
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
dnl check for a proper indent in maintainer mode
|
|
if test "$USE_MAINTAINER_MODE" = yes; then
|
|
AC_PATH_PROG(INDENT, indent, indent)
|
|
# if INDENT is set to 'indent' then we didn't find indent
|
|
if test "$INDENT" != indent ; then
|
|
AC_MSG_CHECKING(if $INDENT is GNU indent)
|
|
if $INDENT --version 2>/dev/null | head -n 1|grep "GNU indent" > /dev/null ; then
|
|
AC_MSG_RESULT(yes)
|
|
INDENT="$INDENT -kr -cs -i5 -l800 -fca -nfc1 -sc -sob -cli4 -TR -Tplanner -TV"
|
|
else
|
|
AC_MSG_RESULT(no)
|
|
AC_MSG_WARN($INDENT does not appear to be GNU indent.)
|
|
fi
|
|
else
|
|
AC_MSG_WARN(no indent program found: codelets will be ugly)
|
|
INDENT=cat
|
|
fi
|
|
fi
|
|
|
|
dnl -----------------------------------------------------------------------
|
|
|
|
AC_ARG_ENABLE(fortran, [AC_HELP_STRING([--disable-fortran],[don't include Fortran-callable wrappers])], enable_fortran=$enableval, enable_fortran=yes)
|
|
|
|
if test "$enable_fortran" = "yes"; then
|
|
AC_PROG_F77
|
|
if test -z "$F77"; then
|
|
enable_fortran=no
|
|
AC_MSG_WARN([*** Couldn't find f77 compiler; using default Fortran wrappers.])
|
|
else
|
|
AC_F77_DUMMY_MAIN([], [enable_fortran=no
|
|
AC_MSG_WARN([*** Couldn't figure out how to link C and Fortran; using default Fortran wrappers.])])
|
|
fi
|
|
else
|
|
AC_DEFINE([DISABLE_FORTRAN], 1, [Define to disable Fortran wrappers.])
|
|
fi
|
|
|
|
if test "x$enable_fortran" = xyes; then
|
|
AC_F77_WRAPPERS
|
|
AC_F77_FUNC(f77foo)
|
|
AC_F77_FUNC(f77_foo)
|
|
f77_foo2=`echo $f77foo | sed 's/77/77_/'`
|
|
if test "$f77_foo" = "$f77_foo2"; then
|
|
AC_DEFINE(F77_FUNC_EQUIV, 1, [Define if F77_FUNC and F77_FUNC_ are equivalent.])
|
|
|
|
# Include g77 wrappers by default for GNU systems or gfortran
|
|
with_g77_wrappers=$ac_cv_f77_compiler_gnu
|
|
case $host_os in *gnu*) with_g77_wrappers=yes ;; esac
|
|
fi
|
|
else
|
|
with_g77_wrappers=no
|
|
fi
|
|
|
|
AC_ARG_WITH(g77-wrappers, [AC_HELP_STRING([--with-g77-wrappers],[force inclusion of g77-compatible wrappers in addition to any other Fortran compiler that is detected])], with_g77_wrappers=$withval)
|
|
if test "x$with_g77_wrappers" = "xyes"; then
|
|
AC_DEFINE(WITH_G77_WRAPPERS,1,[Include g77-compatible wrappers in addition to any other Fortran wrappers.])
|
|
fi
|
|
|
|
dnl -----------------------------------------------------------------------
|
|
have_smp="no"
|
|
AC_ARG_ENABLE(openmp, [AC_HELP_STRING([--enable-openmp],[use OpenMP directives for parallelism])], enable_openmp=$enableval, enable_openmp=no)
|
|
|
|
if test "$enable_openmp" = "yes"; then
|
|
AC_DEFINE(HAVE_OPENMP,1,[Define to enable OpenMP])
|
|
AX_OPENMP([], [AC_MSG_ERROR([don't know how to enable OpenMP])])
|
|
fi
|
|
|
|
AC_ARG_ENABLE(threads, [AC_HELP_STRING([--enable-threads],[compile FFTW SMP threads library])], enable_threads=$enableval, enable_threads=no)
|
|
|
|
if test "$enable_threads" = "yes"; then
|
|
AC_DEFINE(HAVE_THREADS,1,[Define to enable SMP threads])
|
|
fi
|
|
|
|
AC_ARG_WITH(combined-threads, [AC_HELP_STRING([--with-combined-threads],[combine threads into main libfftw3])], with_combined_threads=$withval, with_combined_threads=no)
|
|
|
|
if test "$with_combined_threads" = yes; then
|
|
if test "$enable_openmp" = "yes"; then
|
|
AC_MSG_ERROR([--with-combined-threads incompatible with --enable-openmp])
|
|
fi
|
|
if test "$enable_threads" != "yes"; then
|
|
AC_MSG_ERROR([--with-combined-threads requires --enable-threads])
|
|
fi
|
|
fi
|
|
|
|
dnl Check for threads library...
|
|
THREADLIBS=""
|
|
if test "$enable_threads" = "yes"; then
|
|
# Win32 threads are the default on Windows:
|
|
if test -z "$THREADLIBS"; then
|
|
AC_MSG_CHECKING([for Win32 threads])
|
|
AC_TRY_LINK([#include <windows.h>],
|
|
[_beginthreadex(0,0,0,0,0,0);],
|
|
[THREADLIBS=" "; AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)])
|
|
fi
|
|
|
|
# POSIX threads, the default choice everywhere else:
|
|
if test -z "$THREADLIBS"; then
|
|
ACX_PTHREAD([THREADLIBS="$PTHREAD_LIBS "
|
|
CC="$PTHREAD_CC"
|
|
AC_DEFINE(USING_POSIX_THREADS, 1, [Define if we have and are using POSIX threads.])])
|
|
fi
|
|
|
|
if test -z "$THREADLIBS"; then
|
|
AC_MSG_ERROR([couldn't find threads library for --enable-threads])
|
|
fi
|
|
AC_DEFINE(HAVE_THREADS, 1, [Define if we have a threads library.])
|
|
fi
|
|
AC_SUBST(THREADLIBS)
|
|
AM_CONDITIONAL(THREADS, test "$enable_threads" = "yes")
|
|
AM_CONDITIONAL(OPENMP, test "$enable_openmp" = "yes")
|
|
AM_CONDITIONAL(SMP, test "$enable_threads" = "yes" -o "$enable_openmp" = "yes")
|
|
AM_CONDITIONAL(COMBINED_THREADS, test x"$with_combined_threads" = xyes)
|
|
|
|
dnl -----------------------------------------------------------------------
|
|
|
|
AC_MSG_CHECKING([whether a cycle counter is available])
|
|
save_CPPFLAGS=$CPPFLAGS
|
|
CPPFLAGS="$CPPFLAGS -I$srcdir/kernel"
|
|
AC_TRY_CPP([#include "cycle.h"
|
|
#ifndef HAVE_TICK_COUNTER
|
|
# error No cycle counter
|
|
#endif], [ok=yes], [ok=no])
|
|
CPPFLAGS=$save_CPPFLAGS
|
|
AC_MSG_RESULT($ok)
|
|
if test $ok = no && test "x$with_slow_timer" = xno; then
|
|
echo "***************************************************************"
|
|
echo "WARNING: No cycle counter found. FFTW will use ESTIMATE mode "
|
|
echo " for all plans. See the manual for more information."
|
|
echo "***************************************************************"
|
|
fi
|
|
|
|
dnl -----------------------------------------------------------------------
|
|
|
|
AC_DEFINE_UNQUOTED(FFTW_CC, "$CC $CFLAGS", [C compiler name and flags])
|
|
|
|
AC_CONFIG_FILES([
|
|
Makefile
|
|
support/Makefile
|
|
genfft/Makefile
|
|
kernel/Makefile
|
|
simd-support/Makefile
|
|
|
|
dft/Makefile
|
|
dft/scalar/Makefile
|
|
dft/scalar/codelets/Makefile
|
|
dft/simd/Makefile
|
|
dft/simd/common/Makefile
|
|
dft/simd/sse2/Makefile
|
|
dft/simd/avx/Makefile
|
|
dft/simd/avx-128-fma/Makefile
|
|
dft/simd/avx2/Makefile
|
|
dft/simd/avx2-128/Makefile
|
|
dft/simd/avx512/Makefile
|
|
dft/simd/kcvi/Makefile
|
|
dft/simd/altivec/Makefile
|
|
dft/simd/vsx/Makefile
|
|
dft/simd/neon/Makefile
|
|
dft/simd/generic-simd128/Makefile
|
|
dft/simd/generic-simd256/Makefile
|
|
|
|
rdft/Makefile
|
|
rdft/scalar/Makefile
|
|
rdft/scalar/r2cf/Makefile
|
|
rdft/scalar/r2cb/Makefile
|
|
rdft/scalar/r2r/Makefile
|
|
rdft/simd/Makefile
|
|
rdft/simd/common/Makefile
|
|
rdft/simd/sse2/Makefile
|
|
rdft/simd/avx/Makefile
|
|
rdft/simd/avx-128-fma/Makefile
|
|
rdft/simd/avx2/Makefile
|
|
rdft/simd/avx2-128/Makefile
|
|
rdft/simd/avx512/Makefile
|
|
rdft/simd/kcvi/Makefile
|
|
rdft/simd/altivec/Makefile
|
|
rdft/simd/vsx/Makefile
|
|
rdft/simd/neon/Makefile
|
|
rdft/simd/generic-simd128/Makefile
|
|
rdft/simd/generic-simd256/Makefile
|
|
|
|
reodft/Makefile
|
|
|
|
threads/Makefile
|
|
|
|
api/Makefile
|
|
|
|
mpi/Makefile
|
|
|
|
libbench2/Makefile
|
|
tests/Makefile
|
|
doc/Makefile
|
|
doc/FAQ/Makefile
|
|
|
|
tools/Makefile
|
|
tools/fftw_wisdom.1
|
|
tools/fftw-wisdom-to-conf
|
|
|
|
m4/Makefile
|
|
|
|
fftw.pc
|
|
])
|
|
|
|
AC_OUTPUT
|