Chris@10: dnl Process this file with autoconf to produce a configure script. Chris@10: AC_INIT(fftw, 3.3.3, fftw@fftw.org) Chris@10: AC_CONFIG_SRCDIR(kernel/ifftw.h) Chris@10: # fftw-3.1.x was 4:X:1 Chris@10: # fftw-3.2.x was 5:X:2 Chris@10: # fftw-3.3.x was 6:X:3 Chris@10: SHARED_VERSION_INFO="6:2:3" # CURRENT:REVISION:AGE Chris@10: Chris@10: AM_INIT_AUTOMAKE(1.7) Chris@10: AM_CONFIG_HEADER(config.h) Chris@10: AC_CONFIG_MACRO_DIR([m4]) Chris@10: AM_MAINTAINER_MODE Chris@10: AC_SUBST(SHARED_VERSION_INFO) Chris@10: AC_DISABLE_SHARED dnl to hell with shared libraries Chris@10: AC_CANONICAL_HOST Chris@10: Chris@10: dnl configure options Chris@10: case "${host_cpu}" in Chris@10: powerpc*) have_fma=yes;; Chris@10: ia64*) have_fma=yes;; Chris@10: hppa*) have_fma=yes;; Chris@10: mips64*) have_fma=yes;; Chris@10: *) have_fma=no;; Chris@10: esac Chris@10: Chris@10: AC_ARG_ENABLE(fma, [AC_HELP_STRING([--enable-fma],[enable optimizations for machines with fused multiply-add])], have_fma=$enableval) Chris@10: if test "$have_fma"x = "yes"x; then Chris@10: AC_DEFINE(HAVE_FMA,1,[Define if you have a machine with fused multiply-add]) Chris@10: fi Chris@10: Chris@10: Chris@10: AC_ARG_ENABLE(debug, [AC_HELP_STRING([--enable-debug],[compile fftw with extra runtime checks for debugging])], ok=$enableval, ok=no) Chris@10: if test "$ok" = "yes"; then Chris@10: AC_DEFINE(FFTW_DEBUG,1,[Define to enable extra FFTW debugging code.]) Chris@10: debug_malloc=yes Chris@10: else Chris@10: debug_malloc=no Chris@10: fi Chris@10: Chris@10: AC_ARG_ENABLE(debug-malloc, [AC_HELP_STRING([--enable-debug-malloc],[enable malloc debugging version])], ok=$enableval, ok=$debug_malloc) Chris@10: if test "$ok" = "yes"; then Chris@10: AC_DEFINE(FFTW_DEBUG_MALLOC,1,[Define to enable debugging malloc.]) Chris@10: fi Chris@10: Chris@10: AC_ARG_ENABLE(debug-alignment, [AC_HELP_STRING([--enable-debug-alignment],[enable alignment debugging hacks])], ok=$enableval, ok=no) Chris@10: if test "$ok" = "yes"; then Chris@10: AC_DEFINE(FFTW_DEBUG_ALIGNMENT,1,[Define to enable alignment debugging hacks.]) Chris@10: fi Chris@10: Chris@10: AC_ARG_ENABLE(random-estimator, [AC_HELP_STRING([--enable-random-estimator],[enable pseudorandom estimator (debugging hack)])], ok=$enableval, ok=no) Chris@10: if test "$ok" = "yes"; then Chris@10: AC_DEFINE(FFTW_RANDOM_ESTIMATOR,1,[Define to enable pseudorandom estimate planning for debugging.]) Chris@10: CHECK_PL_OPTS="--estimate" Chris@10: fi Chris@10: Chris@10: AC_ARG_ENABLE(alloca, [AC_HELP_STRING([--disable-alloca],[disable use of the alloca() function (may be broken on mingw64)])], ok=$enableval, ok=yes) Chris@10: if test "$ok" = "yes"; then Chris@10: AC_DEFINE(FFTW_ENABLE_ALLOCA,1,[Define to enable the use of alloca().]) Chris@10: fi Chris@10: Chris@10: AC_ARG_ENABLE(single, [AC_HELP_STRING([--enable-single],[compile fftw in single precision])], ok=$enableval, ok=no) Chris@10: AC_ARG_ENABLE(float, [AC_HELP_STRING([--enable-float],[synonym for --enable-single])], ok=$enableval) Chris@10: if test "$ok" = "yes"; then Chris@10: AC_DEFINE(FFTW_SINGLE,1,[Define to compile in single precision.]) Chris@10: AC_DEFINE(BENCHFFT_SINGLE,1,[Define to compile in single precision.]) Chris@10: PRECISION=s Chris@10: else Chris@10: PRECISION=d Chris@10: fi Chris@10: AM_CONDITIONAL(SINGLE, test "$ok" = "yes") Chris@10: Chris@10: AC_ARG_ENABLE(long-double, [AC_HELP_STRING([--enable-long-double],[compile fftw in long-double precision])], ok=$enableval, ok=no) Chris@10: if test "$ok" = "yes"; then Chris@10: if test "$PRECISION" = "s"; then Chris@10: AC_MSG_ERROR([--enable-single/--enable-long-double conflict]) Chris@10: fi Chris@10: AC_DEFINE(FFTW_LDOUBLE,1,[Define to compile in long-double precision.]) Chris@10: AC_DEFINE(BENCHFFT_LDOUBLE,1,[Define to compile in long-double precision.]) Chris@10: PRECISION=l Chris@10: fi Chris@10: AM_CONDITIONAL(LDOUBLE, test "$ok" = "yes") Chris@10: Chris@10: AC_ARG_ENABLE(quad-precision, [AC_HELP_STRING([--enable-quad-precision],[compile fftw in quadruple precision if available])], ok=$enableval, ok=no) Chris@10: if test "$ok" = "yes"; then Chris@10: if test "$PRECISION" != "d"; then Chris@10: AC_MSG_ERROR([conflicting precisions specified]) Chris@10: fi Chris@10: AC_DEFINE(FFTW_QUAD,1,[Define to compile in quad precision.]) Chris@10: AC_DEFINE(BENCHFFT_QUAD,1,[Define to compile in quad precision.]) Chris@10: PRECISION=q Chris@10: fi Chris@10: AM_CONDITIONAL(QUAD, test "$ok" = "yes") Chris@10: Chris@10: AC_SUBST(PRECISION) Chris@10: AC_SUBST(CHECK_PL_OPTS) Chris@10: Chris@10: AC_ARG_ENABLE(sse, [AC_HELP_STRING([--enable-sse],[enable SSE optimizations])], have_sse=$enableval, have_sse=no) Chris@10: if test "$have_sse" = "yes"; then Chris@10: if test "$PRECISION" != "s"; then Chris@10: AC_MSG_ERROR([SSE requires single precision]) Chris@10: fi Chris@10: fi Chris@10: Chris@10: AC_ARG_ENABLE(sse2, [AC_HELP_STRING([--enable-sse2],[enable SSE/SSE2 optimizations])], have_sse2=$enableval, have_sse2=no) Chris@10: if test "$have_sse" = "yes"; then have_sse2=yes; fi Chris@10: if test "$have_sse2" = "yes"; then Chris@10: AC_DEFINE(HAVE_SSE2,1,[Define to enable SSE/SSE2 optimizations.]) Chris@10: if test "$PRECISION" != "d" -a "$PRECISION" != "s"; then Chris@10: AC_MSG_ERROR([SSE2 requires single or double precision]) Chris@10: fi Chris@10: fi Chris@10: AM_CONDITIONAL(HAVE_SSE2, test "$have_sse2" = "yes") Chris@10: Chris@10: AC_ARG_ENABLE(avx, [AC_HELP_STRING([--enable-avx],[enable AVX optimizations])], have_avx=$enableval, have_avx=no) Chris@10: if test "$have_avx" = "yes"; then Chris@10: AC_DEFINE(HAVE_AVX,1,[Define to enable AVX optimizations.]) Chris@10: if test "$PRECISION" != "d" -a "$PRECISION" != "s"; then Chris@10: AC_MSG_ERROR([AVX requires single or double precision]) Chris@10: fi Chris@10: fi Chris@10: AM_CONDITIONAL(HAVE_AVX, test "$have_avx" = "yes") Chris@10: Chris@10: AC_ARG_ENABLE(altivec, [AC_HELP_STRING([--enable-altivec],[enable Altivec optimizations])], have_altivec=$enableval, have_altivec=no) Chris@10: if test "$have_altivec" = "yes"; then Chris@10: AC_DEFINE(HAVE_ALTIVEC,1,[Define to enable Altivec optimizations.]) Chris@10: if test "$PRECISION" != "s"; then Chris@10: AC_MSG_ERROR([Altivec requires single precision]) Chris@10: fi Chris@10: fi Chris@10: AM_CONDITIONAL(HAVE_ALTIVEC, test "$have_altivec" = "yes") Chris@10: Chris@10: AC_ARG_ENABLE(neon, [AC_HELP_STRING([--enable-neon],[enable ARM NEON optimizations])], have_neon=$enableval, have_neon=no) Chris@10: if test "$have_neon" = "yes"; then Chris@10: AC_DEFINE(HAVE_NEON,1,[Define to enable ARM NEON optimizations.]) Chris@10: if test "$PRECISION" != "s"; then Chris@10: AC_MSG_ERROR([NEON requires single precision]) Chris@10: fi Chris@10: fi Chris@10: AM_CONDITIONAL(HAVE_NEON, test "$have_neon" = "yes") Chris@10: Chris@10: dnl FIXME: Chris@10: dnl AC_ARG_ENABLE(mips-ps, [AC_HELP_STRING([--enable-mips-ps],[enable MIPS pair-single optimizations])], have_mips_ps=$enableval, have_mips_ps=no) Chris@10: dnl if test "$have_mips_ps" = "yes"; then Chris@10: dnl AC_DEFINE(HAVE_MIPS_PS,1,[Define to enable MIPS paired-single optimizations.]) Chris@10: dnl if test "$PRECISION" != "s"; then Chris@10: dnl AC_MSG_ERROR([MIPS paired-single requires single precision]) Chris@10: dnl fi Chris@10: dnl fi Chris@10: dnl AM_CONDITIONAL(HAVE_MIPS_PS, test "$have_mips_ps" = "yes") Chris@10: Chris@10: AC_ARG_WITH(slow-timer, [AC_HELP_STRING([--with-slow-timer],[use low-precision timers (SLOW)])], with_slow_timer=$withval, with_slow_timer=no) Chris@10: if test "$with_slow_timer" = "yes"; then Chris@10: AC_DEFINE(WITH_SLOW_TIMER,1,[Use low-precision timers, making planner very slow]) Chris@10: fi Chris@10: Chris@10: AC_ARG_ENABLE(mips_zbus_timer, [AC_HELP_STRING([--enable-mips-zbus-timer],[use MIPS ZBus cycle-counter])], have_mips_zbus_timer=$enableval, have_mips_zbus_timer=no) Chris@10: if test "$have_mips_zbus_timer" = "yes"; then Chris@10: AC_DEFINE(HAVE_MIPS_ZBUS_TIMER,1,[Define to enable use of MIPS ZBus cycle-counter.]) Chris@10: fi Chris@10: Chris@10: AC_ARG_WITH(our-malloc, [AC_HELP_STRING([--with-our-malloc],[use our aligned malloc (helpful for Win32)])], with_our_malloc=$withval, with_our_malloc=no) Chris@10: AC_ARG_WITH(our-malloc16, [AC_HELP_STRING([--with-our-malloc16],[Obsolete alias for --with-our-malloc16])], with_our_malloc=$withval) Chris@10: if test "$with_our_malloc" = "yes"; then Chris@10: AC_DEFINE(WITH_OUR_MALLOC,1,[Use our own aligned malloc routine; mainly helpful for Windows systems lacking aligned allocation system-library routines.]) Chris@10: fi Chris@10: Chris@10: AC_ARG_WITH(windows-f77-mangling, [AC_HELP_STRING([--with-windows-f77-mangling],[use common Win32 Fortran interface styles])], with_windows_f77_mangling=$withval, with_windows_f77_mangling=no) Chris@10: if test "$with_windows_f77_mangling" = "yes"; then Chris@10: AC_DEFINE(WINDOWS_F77_MANGLING,1,[Use common Windows Fortran mangling styles for the Fortran interfaces.]) Chris@10: fi Chris@10: Chris@10: AC_ARG_WITH(incoming-stack-boundary, [AC_HELP_STRING([--with-incoming-stack-boundary=X],[Assume that stack is aligned to (1<]) Chris@10: CC=$save_CC Chris@10: if test 0 = $ac_cv_sizeof_MPI_Fint; then Chris@10: AC_MSG_WARN([sizeof(MPI_Fint) test failed]); Chris@10: dnl As a backup, assume Fortran integer == C int Chris@10: AC_CHECK_SIZEOF(int) Chris@10: if test 0 = $ac_cv_sizeof_int; then AC_MSG_ERROR([sizeof(int) test failed]); fi Chris@10: ac_cv_sizeof_MPI_Fint=$ac_cv_sizeof_int Chris@10: fi Chris@10: C_MPI_FINT=C_INT`expr $ac_cv_sizeof_MPI_Fint \* 8`_T Chris@10: AC_SUBST(C_MPI_FINT) Chris@10: fi Chris@10: AM_CONDITIONAL(MPI, test "$enable_mpi" = "yes") Chris@10: Chris@10: dnl ----------------------------------------------------------------------- Chris@10: Chris@10: dnl determine CFLAGS first Chris@10: AX_CC_MAXOPT Chris@10: Chris@10: case "${ax_cv_c_compiler_vendor}" in Chris@10: intel) # Stop icc from defining __GNUC__, except on MacOS where this fails Chris@10: case "${host_os}" in Chris@10: *darwin*) ;; # icc -no-gcc fails to compile some system headers Chris@10: *) Chris@10: AX_CHECK_COMPILER_FLAGS([-no-gcc], [CC="$CC -no-gcc"]) Chris@10: ;; Chris@10: esac Chris@10: ;; Chris@10: Chris@10: hp) # must (sometimes) manually increase cpp limits to handle fftw3.h Chris@10: AX_CHECK_COMPILER_FLAGS([-Wp,-H128000], Chris@10: [CC="$CC -Wp,-H128000"]) Chris@10: ;; Chris@10: Chris@10: portland) # -Masmkeyword required for asm("") cycle counters Chris@10: AX_CHECK_COMPILER_FLAGS([-Masmkeyword], Chris@10: [CC="$CC -Masmkeyword"]) Chris@10: ;; Chris@10: esac Chris@10: Chris@10: dnl Determine SIMD CFLAGS at least for gcc and icc Chris@10: case "${ax_cv_c_compiler_vendor}" in Chris@10: gnu|intel) Chris@10: # SSE/SSE2 Chris@10: if test "$have_sse2" = "yes" -a "x$SSE2_CFLAGS" = x; then Chris@10: if test "$PRECISION" = d; then flag=msse2; else flag=msse; fi Chris@10: AX_CHECK_COMPILER_FLAGS(-$flag, [SSE2_CFLAGS="-$flag"], Chris@10: [AC_MSG_ERROR([Need a version of gcc with -$flag])]) Chris@10: fi Chris@10: Chris@10: # AVX Chris@10: if test "$have_avx" = "yes" -a "x$AVX_CFLAGS" = x; then Chris@10: AX_CHECK_COMPILER_FLAGS(-mavx, [AVX_CFLAGS="-mavx"], Chris@10: [AC_MSG_ERROR([Need a version of gcc with -mavx])]) Chris@10: fi Chris@10: Chris@10: if test "$have_altivec" = "yes" -a "x$ALTIVEC_CFLAGS" = x; then Chris@10: # -DFAKE__VEC__ is a workaround because gcc-3.3 does not Chris@10: # #define __VEC__ with -maltivec. Chris@10: AX_CHECK_COMPILER_FLAGS(-faltivec, [ALTIVEC_CFLAGS="-faltivec"], Chris@10: [AX_CHECK_COMPILER_FLAGS(-maltivec -mabi=altivec, Chris@10: [ALTIVEC_CFLAGS="-maltivec -mabi=altivec -DFAKE__VEC__"], Chris@10: [AX_CHECK_COMPILER_FLAGS(-fvec, [ALTIVEC_CFLAGS="-fvec"], Chris@10: [AC_MSG_ERROR([Need a version of gcc with -maltivec])])])]) Chris@10: fi Chris@10: Chris@10: if test "$have_neon" = "yes" -a "x$NEON_CFLAGS" = x; then Chris@10: AX_CHECK_COMPILER_FLAGS(-mfpu=neon, [NEON_CFLAGS="-mfpu=neon"], Chris@10: [AC_MSG_ERROR([Need a version of gcc with -mfpu=neon])]) Chris@10: fi Chris@10: Chris@10: dnl FIXME: Chris@10: dnl elif test "$have_mips_ps" = "yes"; then Chris@10: dnl # Just punt here and use only new 4.2 compiler :( Chris@10: dnl # Should add section for older compilers... Chris@10: dnl AX_CHECK_COMPILER_FLAGS(-mpaired-single, Chris@10: dnl [SIMD_CFLAGS="-mpaired-single"], Chris@10: dnl #[AC_MSG_ERROR([Need a version of gcc with -mpaired-single])]) Chris@10: dnl [AX_CHECK_COMPILER_FLAGS(-march=mips64, Chris@10: dnl [SIMD_CFLAGS="-march=mips64"], Chris@10: dnl [AC_MSG_ERROR( Chris@10: dnl [Need a version of gcc with -mpaired-single or -march=mips64]) Chris@10: dnl ])]) Chris@10: dnl fi Chris@10: ;; Chris@10: esac Chris@10: Chris@10: AC_SUBST(SSE2_CFLAGS) Chris@10: AC_SUBST(AVX_CFLAGS) Chris@10: AC_SUBST(ALTIVEC_CFLAGS) Chris@10: AC_SUBST(NEON_CFLAGS) Chris@10: Chris@10: dnl add stack alignment CFLAGS if so requested Chris@10: if test "$with_incoming_stack_boundary"x != "no"x; then Chris@10: case "${ax_cv_c_compiler_vendor}" in Chris@10: gnu) Chris@10: tentative_flags="-mincoming-stack-boundary=$with_incoming_stack_boundary"; Chris@10: AX_CHECK_COMPILER_FLAGS($tentative_flags, Chris@10: [STACK_ALIGN_CFLAGS=$tentative_flags]) Chris@10: ;; Chris@10: esac Chris@10: fi Chris@10: AC_SUBST(STACK_ALIGN_CFLAGS) Chris@10: Chris@10: dnl Checks for header files. Chris@10: AC_HEADER_STDC Chris@10: AC_CHECK_HEADERS([libintl.h malloc.h stddef.h stdlib.h string.h strings.h sys/time.h unistd.h limits.h c_asm.h intrinsics.h stdint.h mach/mach_time.h sys/sysctl.h]) Chris@10: dnl c_asm.h: Header file for enabling asm() on Digital Unix Chris@10: dnl intrinsics.h: cray unicos Chris@10: dnl sys/sysctl.h: MacOS X altivec detection Chris@10: Chris@10: dnl altivec.h requires $ALTIVEC_CFLAGS Chris@10: save_CFLAGS="$CFLAGS" Chris@10: save_CPPFLAGS="$CPPFLAGS" Chris@10: CFLAGS="$CFLAGS $ALTIVEC_CFLAGS" Chris@10: CPPFLAGS="$CPPFLAGS $ALTIVEC_CFLAGS" Chris@10: AC_CHECK_HEADERS([altivec.h]) Chris@10: CFLAGS="$save_CFLAGS" Chris@10: CPPFLAGS="$save_CPPFLAGS" Chris@10: Chris@10: Chris@10: dnl Checks for typedefs, structures, and compiler characteristics. Chris@10: AC_C_CONST Chris@10: AC_C_INLINE Chris@10: AC_TYPE_SIZE_T Chris@10: AC_HEADER_TIME Chris@10: AC_CHECK_TYPE([long double], Chris@10: [AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define to 1 if the compiler supports `long double'])], Chris@10: [ Chris@10: if test $PRECISION = l; then Chris@10: AC_MSG_ERROR([long double is not a supported type with your compiler.]) Chris@10: fi Chris@10: ]) Chris@10: AC_CHECK_TYPE([hrtime_t],[AC_DEFINE(HAVE_HRTIME_T, 1, [Define to 1 if hrtime_t is defined in ])],, Chris@10: [ Chris@10: #if HAVE_SYS_TIME_H Chris@10: #include Chris@10: #endif Chris@10: ]) Chris@10: Chris@10: AC_CHECK_SIZEOF(int) Chris@10: AC_CHECK_SIZEOF(unsigned int) Chris@10: AC_CHECK_SIZEOF(long) Chris@10: AC_CHECK_SIZEOF(unsigned long) Chris@10: AC_CHECK_SIZEOF(long long) Chris@10: AC_CHECK_SIZEOF(unsigned long long) Chris@10: AC_CHECK_SIZEOF(size_t) Chris@10: AC_CHECK_SIZEOF(ptrdiff_t) Chris@10: Chris@10: AC_CHECK_TYPES(uintptr_t, [], [AC_CHECK_SIZEOF(void *)], [$ac_includes_default Chris@10: #ifdef HAVE_STDINT_H Chris@10: # include Chris@10: #endif]) Chris@10: Chris@10: AC_CHECK_SIZEOF(float) Chris@10: AC_CHECK_SIZEOF(double) Chris@10: Chris@10: dnl Check sizeof fftw_r2r_kind for Fortran interface [it has == sizeof(int) Chris@10: dnl for years, but being paranoid]. Note: the definition here must match Chris@10: dnl the one in api/fftw3.h! Chris@10: AC_CHECK_SIZEOF(fftw_r2r_kind, [], [typedef enum { Chris@10: FFTW_R2HC=0, FFTW_HC2R=1, FFTW_DHT=2, Chris@10: FFTW_REDFT00=3, FFTW_REDFT01=4, FFTW_REDFT10=5, FFTW_REDFT11=6, Chris@10: FFTW_RODFT00=7, FFTW_RODFT01=8, FFTW_RODFT10=9, FFTW_RODFT11=10 Chris@10: } fftw_r2r_kind;]) Chris@10: if test 0 = $ac_cv_sizeof_fftw_r2r_kind; then AC_MSG_ERROR([sizeof(fftw_r2r_kind) test failed]); fi Chris@10: C_FFTW_R2R_KIND=C_INT`expr $ac_cv_sizeof_fftw_r2r_kind \* 8`_T Chris@10: AC_SUBST(C_FFTW_R2R_KIND) Chris@10: Chris@10: dnl Checks for library functions. Chris@10: AC_FUNC_ALLOCA Chris@10: AC_FUNC_STRTOD Chris@10: AC_FUNC_VPRINTF Chris@10: AC_CHECK_LIB(m, sin) Chris@10: Chris@10: if test $PRECISION = q; then Chris@10: AX_GCC_VERSION(4,6,0,[],[AC_MSG_ERROR([gcc 4.6 or later required for quad precision support])]) Chris@10: AC_CHECK_LIB(quadmath, sinq, [], [AC_MSG_ERROR([quad precision requires libquadmath for quad-precision trigonometric routines])]) Chris@10: LIBQUADMATH=-lquadmath Chris@10: fi Chris@10: AC_SUBST(LIBQUADMATH) Chris@10: Chris@10: AC_CHECK_FUNCS([BSDgettimeofday gettimeofday gethrtime read_real_time time_base_to_time drand48 sqrt memset posix_memalign memalign _mm_malloc _mm_free clock_gettime mach_absolute_time sysctl abort sinl cosl snprintf]) Chris@10: AC_CHECK_DECLS([drand48, srand48, memalign, posix_memalign, sinl, cosl, sinq, cosq]) Chris@10: Chris@10: dnl Cray UNICOS _rtc() (real-time clock) intrinsic Chris@10: AC_MSG_CHECKING([for _rtc intrinsic]) Chris@10: rtc_ok=yes Chris@10: AC_TRY_LINK([#ifdef HAVE_INTRINSICS_H Chris@10: #include Chris@10: #endif], [_rtc()], [AC_DEFINE(HAVE__RTC,1,[Define if you have the UNICOS _rtc() intrinsic.])], [rtc_ok=no]) Chris@10: AC_MSG_RESULT($rtc_ok) Chris@10: Chris@10: if test "$PRECISION" = "l"; then Chris@10: AC_CHECK_FUNCS([cosl sinl tanl], [], [AC_MSG_ERROR([long-double precision requires long-double trigonometric routines])]) Chris@10: fi Chris@10: Chris@10: AC_MSG_CHECKING([for isnan]) Chris@10: AC_TRY_LINK([#include Chris@10: ], if (!isnan(3.14159)) isnan(2.7183);, ok=yes, ok=no) Chris@10: if test "$ok" = "yes"; then Chris@10: AC_DEFINE(HAVE_ISNAN,1,[Define if the isnan() function/macro is available.]) Chris@10: fi Chris@10: AC_MSG_RESULT(${ok}) Chris@10: Chris@10: dnl TODO Chris@10: AX_GCC_ALIGNS_STACK() Chris@10: Chris@10: dnl override CFLAGS selection when debugging Chris@10: if test "${enable_debug}" = "yes"; then Chris@10: CFLAGS="-g" Chris@10: fi Chris@10: Chris@10: dnl add gcc warnings, in debug/maintainer mode only Chris@10: if test "$enable_debug" = yes || test "$USE_MAINTAINER_MODE" = yes; then Chris@10: if test "$ac_test_CFLAGS" != "set"; then Chris@10: if test $ac_cv_prog_gcc = yes; then Chris@10: CFLAGS="$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 Chris@10: fi Chris@10: fi Chris@10: fi Chris@10: Chris@10: dnl ----------------------------------------------------------------------- Chris@10: Chris@10: AC_ARG_ENABLE(fortran, [AC_HELP_STRING([--disable-fortran],[don't include Fortran-callable wrappers])], enable_fortran=$enableval, enable_fortran=yes) Chris@10: Chris@10: if test "$enable_fortran" = "yes"; then Chris@10: AC_PROG_F77 Chris@10: if test -z "$F77"; then Chris@10: enable_fortran=no Chris@10: AC_MSG_WARN([*** Couldn't find f77 compiler; using default Fortran wrappers.]) Chris@10: else Chris@10: AC_F77_DUMMY_MAIN([], [enable_fortran=no Chris@10: AC_MSG_WARN([*** Couldn't figure out how to link C and Fortran; using default Fortran wrappers.])]) Chris@10: fi Chris@10: else Chris@10: AC_DEFINE([DISABLE_FORTRAN], 1, [Define to disable Fortran wrappers.]) Chris@10: fi Chris@10: Chris@10: if test "x$enable_fortran" = xyes; then Chris@10: AC_F77_WRAPPERS Chris@10: AC_F77_FUNC(f77foo) Chris@10: AC_F77_FUNC(f77_foo) Chris@10: f77_foo2=`echo $f77foo | sed 's/77/77_/'` Chris@10: if test "$f77_foo" = "$f77_foo2"; then Chris@10: AC_DEFINE(F77_FUNC_EQUIV, 1, [Define if F77_FUNC and F77_FUNC_ are equivalent.]) Chris@10: Chris@10: # Include g77 wrappers by default for GNU systems or gfortran Chris@10: with_g77_wrappers=$ac_cv_f77_compiler_gnu Chris@10: case $host_os in *gnu*) with_g77_wrappers=yes ;; esac Chris@10: fi Chris@10: else Chris@10: with_g77_wrappers=no Chris@10: fi Chris@10: Chris@10: AC_ARG_WITH(g77-wrappers, [AC_HELP_STRING([--with-g77-wrappers],[force inclusion of g77-compatible wrappers in addition to any other Fortran compiler that is detected])], with_g77_wrappers=$withval) Chris@10: if test "x$with_g77_wrappers" = "xyes"; then Chris@10: AC_DEFINE(WITH_G77_WRAPPERS,1,[Include g77-compatible wrappers in addition to any other Fortran wrappers.]) Chris@10: fi Chris@10: Chris@10: dnl ----------------------------------------------------------------------- Chris@10: have_smp="no" Chris@10: AC_ARG_ENABLE(openmp, [AC_HELP_STRING([--enable-openmp],[use OpenMP directives for parallelism])], enable_openmp=$enableval, enable_openmp=no) Chris@10: Chris@10: if test "$enable_openmp" = "yes"; then Chris@10: AC_DEFINE(HAVE_OPENMP,1,[Define to enable OpenMP]) Chris@10: AX_OPENMP([], [AC_MSG_ERROR([don't know how to enable OpenMP])]) Chris@10: fi Chris@10: Chris@10: AC_ARG_ENABLE(threads, [AC_HELP_STRING([--enable-threads],[compile FFTW SMP threads library])], enable_threads=$enableval, enable_threads=no) Chris@10: Chris@10: if test "$enable_threads" = "yes"; then Chris@10: AC_DEFINE(HAVE_THREADS,1,[Define to enable SMP threads]) Chris@10: fi Chris@10: Chris@10: AC_ARG_WITH(combined-threads, [AC_HELP_STRING([--with-combined-threads],[combine threads into main libfftw3])], with_combined_threads=$withval, with_combined_threads=no) Chris@10: Chris@10: if test "$with_combined_threads" = yes; then Chris@10: if test "$enable_openmp" = "yes"; then Chris@10: AC_MSG_ERROR([--with-combined-threads incompatible with --enable-openmp]) Chris@10: fi Chris@10: if test "$enable_threads" != "yes"; then Chris@10: AC_MSG_ERROR([--with-combined-threads requires --enable-threads]) Chris@10: fi Chris@10: fi Chris@10: Chris@10: dnl Check for threads library... Chris@10: THREADLIBS="" Chris@10: if test "$enable_threads" = "yes"; then Chris@10: # POSIX threads, the default choice: Chris@10: if test -z "$THREADLIBS"; then Chris@10: ACX_PTHREAD([THREADLIBS="$PTHREAD_LIBS " Chris@10: CC="$PTHREAD_CC" Chris@10: AC_DEFINE(USING_POSIX_THREADS, 1, [Define if we have and are using POSIX threads.])]) Chris@10: fi Chris@10: Chris@10: if test -z "$THREADLIBS"; then Chris@10: AC_MSG_CHECKING([for Win32 threads]) Chris@10: AC_TRY_LINK([#include ], Chris@10: [_beginthreadex(0,0,0,0,0,0);], Chris@10: [THREADLIBS=" "; AC_MSG_RESULT(yes)], Chris@10: [AC_MSG_RESULT(no)]) Chris@10: fi Chris@10: Chris@10: if test -z "$THREADLIBS"; then Chris@10: AC_MSG_ERROR([couldn't find threads library for --enable-threads]) Chris@10: fi Chris@10: AC_DEFINE(HAVE_THREADS, 1, [Define if we have a threads library.]) Chris@10: fi Chris@10: AC_SUBST(THREADLIBS) Chris@10: AM_CONDITIONAL(THREADS, test "$enable_threads" = "yes") Chris@10: AM_CONDITIONAL(OPENMP, test "$enable_openmp" = "yes") Chris@10: AM_CONDITIONAL(SMP, test "$enable_threads" = "yes" -o "$enable_openmp" = "yes") Chris@10: AM_CONDITIONAL(COMBINED_THREADS, test x"$with_combined_threads" = xyes) Chris@10: Chris@10: dnl ----------------------------------------------------------------------- Chris@10: Chris@10: AC_MSG_CHECKING([whether a cycle counter is available]) Chris@10: save_CPPFLAGS=$CPPFLAGS Chris@10: CPPFLAGS="$CPPFLAGS -I$srcdir/kernel" Chris@10: AC_TRY_CPP([#include "cycle.h" Chris@10: #ifndef HAVE_TICK_COUNTER Chris@10: # error No cycle counter Chris@10: #endif], [ok=yes], [ok=no]) Chris@10: CPPFLAGS=$save_CPPFLAGS Chris@10: AC_MSG_RESULT($ok) Chris@10: if test $ok = no && test "x$with_slow_timer" = xno; then Chris@10: echo "***************************************************************" Chris@10: echo "WARNING: No cycle counter found. FFTW will use ESTIMATE mode " Chris@10: echo " for all plans. See the manual for more information." Chris@10: echo "***************************************************************" Chris@10: fi Chris@10: Chris@10: dnl ----------------------------------------------------------------------- Chris@10: Chris@10: AC_DEFINE_UNQUOTED(FFTW_CC, "$CC $CFLAGS", [C compiler name and flags]) Chris@10: Chris@10: AC_CONFIG_FILES([ Chris@10: Makefile Chris@10: support/Makefile Chris@10: genfft/Makefile Chris@10: kernel/Makefile Chris@10: simd-support/Makefile Chris@10: Chris@10: dft/Makefile Chris@10: dft/scalar/Makefile Chris@10: dft/scalar/codelets/Makefile Chris@10: dft/simd/Makefile Chris@10: dft/simd/common/Makefile Chris@10: dft/simd/sse2/Makefile Chris@10: dft/simd/avx/Makefile Chris@10: dft/simd/altivec/Makefile Chris@10: dft/simd/neon/Makefile Chris@10: Chris@10: rdft/Makefile Chris@10: rdft/scalar/Makefile Chris@10: rdft/scalar/r2cf/Makefile Chris@10: rdft/scalar/r2cb/Makefile Chris@10: rdft/scalar/r2r/Makefile Chris@10: rdft/simd/Makefile Chris@10: rdft/simd/common/Makefile Chris@10: rdft/simd/sse2/Makefile Chris@10: rdft/simd/avx/Makefile Chris@10: rdft/simd/altivec/Makefile Chris@10: rdft/simd/neon/Makefile Chris@10: Chris@10: reodft/Makefile Chris@10: Chris@10: threads/Makefile Chris@10: Chris@10: api/Makefile Chris@10: Chris@10: mpi/Makefile Chris@10: Chris@10: libbench2/Makefile Chris@10: tests/Makefile Chris@10: doc/Makefile Chris@10: doc/FAQ/Makefile Chris@10: Chris@10: tools/Makefile Chris@10: tools/fftw_wisdom.1 Chris@10: tools/fftw-wisdom-to-conf Chris@10: Chris@10: m4/Makefile Chris@10: Chris@10: fftw.pc Chris@10: ]) Chris@10: Chris@10: AC_OUTPUT