diff options
Diffstat (limited to '')
| -rw-r--r-- | configure.ac | 602 |
1 files changed, 602 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000..418677c --- /dev/null +++ b/configure.ac @@ -0,0 +1,602 @@ +# FLAC - Free Lossless Audio Codec +# Copyright (C) 2001-2009 Josh Coalson +# Copyright (C) 2011-2023 Xiph.Org Foundation +# +# This file is part the FLAC project. FLAC is comprised of several +# components distributed under different licenses. The codec libraries +# are distributed under Xiph.Org's BSD-like license (see the file +# COPYING.Xiph in this distribution). All other programs, libraries, and +# plugins are distributed under the GPL (see COPYING.GPL). The documentation +# is distributed under the Gnu FDL (see COPYING.FDL). Each file in the +# FLAC distribution contains at the top the terms under which it may be +# distributed. +# +# Since this particular file is relevant to all components of FLAC, +# it may be distributed under the Xiph.Org license, which is the least +# restrictive of those mentioned above. See the file COPYING.Xiph in this +# distribution. + +# NOTE that for many of the AM_CONDITIONALs we use the prefix FLaC__ +# instead of FLAC__ since autoconf triggers off 'AC_' in strings + +AC_PREREQ(2.60) +AC_INIT([flac],[1.4.3],[flac-dev@xiph.org],[flac],[https://www.xiph.org/flac/]) +AC_CONFIG_HEADERS([config.h]) +AC_CONFIG_SRCDIR([src/flac/main.c]) +AC_CONFIG_MACRO_DIR([m4]) +AM_INIT_AUTOMAKE([foreign 1.10 -Wall tar-pax no-dist-gzip dist-xz subdir-objects]) +m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) + +AX_CHECK_ENABLE_DEBUG +user_cflags=$CFLAGS + +#Prefer whatever the current ISO standard is. +AC_PROG_CC +AC_USE_SYSTEM_EXTENSIONS +m4_ifdef([AM_PROG_AR], [AM_PROG_AR]) +LT_INIT([win32-dll disable-static pic-only]) +AM_PROG_AS +AC_PROG_CXX +XIPH_C_COMPILER_IS_CLANG +XIPH_GCC_REALLY_IS_GCC +AC_PROG_MAKE_SET +AC_PROG_MKDIR_P + +AC_SYS_LARGEFILE +AC_FUNC_FSEEKO + +AC_CHECK_SIZEOF(off_t,1) # Fake default value. +AC_CHECK_SIZEOF([void*]) +AC_SEARCH_LIBS([lround],[m], [AC_DEFINE(HAVE_LROUND,1,lround support)]) + +AM_PROG_CC_C_O +AC_C_INLINE +AC_C_TYPEOF + +AC_CHECK_HEADERS([stdint.h stdbool.h inttypes.h byteswap.h sys/auxv.h sys/param.h sys/ioctl.h termios.h x86intrin.h cpuid.h arm_neon.h]) + +if test "x$ac_cv_header_stdint_h" != xyes -o "x$ac_cv_header_stdbool_h" != xyes; then +AC_MSG_ERROR("Header stdint.h and/or stdbool.h not found") +fi + + +XIPH_C_BSWAP32 +XIPH_C_BSWAP16 + +ac_cv_c_big_endian=0 +ac_cv_c_little_endian=0 +AC_C_BIGENDIAN([ac_cv_c_big_endian=1], [ac_cv_c_little_endian=1], [ + AC_MSG_WARN([[*****************************************************************]]) + AC_MSG_WARN([[*** Not able to determine endian-ness of target processor. ]]) + AC_MSG_WARN([[*** The constants CPU_IS_BIG_ENDIAN and CPU_IS_LITTLE_ENDIAN in ]]) + AC_MSG_WARN([[*** config.h may need to be hand editied. ]]) + AC_MSG_WARN([[*****************************************************************]]) +]) +AC_DEFINE_UNQUOTED(CPU_IS_BIG_ENDIAN, ${ac_cv_c_big_endian}, + [Target processor is big endian.]) +AC_DEFINE_UNQUOTED(CPU_IS_LITTLE_ENDIAN, ${ac_cv_c_little_endian}, + [Target processor is little endian.]) +AC_DEFINE_UNQUOTED(WORDS_BIGENDIAN, ${ac_cv_c_big_endian}, + [Target processor is big endian.]) + +AC_ARG_ENABLE(asm-optimizations, AS_HELP_STRING([--disable-asm-optimizations],[Do not use any CPU specific optimization routines]), asm_opt=no, asm_opt=yes) +AM_CONDITIONAL(FLaC__NO_ASM, test "x$asm_opt" = xno) +if test "x$asm_opt" = xno ; then +AC_DEFINE(FLAC__NO_ASM) +AH_TEMPLATE(FLAC__NO_ASM, [define to disable use of assembly code]) +fi + +dnl check for getauxval in standard library +AC_CHECK_FUNCS(getauxval) + +dnl check for getopt in standard library +dnl AC_CHECK_FUNCS(getopt_long , , [LIBOBJS="$LIBOBJS getopt.o getopt1.o"] ) +AC_CHECK_FUNCS(getopt_long, [], []) + +AC_CHECK_SIZEOF(void*,1) + +asm_optimisation=no +case "$host_cpu" in + amd64|x86_64) + case "$host" in + *gnux32) + # x32 user space and 64 bit kernel. + cpu_x86_64=true + AC_DEFINE(FLAC__CPU_X86_64) + AH_TEMPLATE(FLAC__CPU_X86_64, [define if building for x86_64]) + ;; + *) + if test $ac_cv_sizeof_voidp = 4 ; then + # This must be a 32 bit user space running on 64 bit kernel so treat + # this as ia32. + cpu_ia32=true + AC_DEFINE(FLAC__CPU_IA32) + AH_TEMPLATE(FLAC__CPU_IA32, [define if building for ia32/i386]) + else + # x86_64 user space and kernel. + cpu_x86_64=true + AC_DEFINE(FLAC__CPU_X86_64) + AH_TEMPLATE(FLAC__CPU_X86_64, [define if building for x86_64]) + fi + ;; + esac + ;; + i*86) + cpu_ia32=true + AC_DEFINE(FLAC__CPU_IA32) + AH_TEMPLATE(FLAC__CPU_IA32, [define if building for ia32/i386]) + ;; + arm64|aarch64) + cpu_arm64=true + AC_DEFINE(FLAC__CPU_ARM64) + AH_TEMPLATE(FLAC__CPU_ARM64, [define if building for ARM]) + ;; +esac +AM_CONDITIONAL(FLAC__CPU_X86_64, test "x$cpu_x86_64" = xtrue) +AM_CONDITIONAL(FLaC__CPU_IA32, test "x$cpu_ia32" = xtrue) +AM_CONDITIONAL(FLAC__CPU_ARM64, test "x$cpu_arm64" = xtrue) + +if test "x$ac_cv_header_x86intrin_h" = xyes -a "x$asm_opt" = xyes; then + AC_DEFINE([FLAC__HAS_X86INTRIN], 1, [Set to 1 if <x86intrin.h> is available.]) + asm_optimisation=yes +else + AC_DEFINE([FLAC__HAS_X86INTRIN], 0) +fi + +if test "x$ac_cv_header_arm_neon_h" = xyes -a "x$asm_opt" = xyes; then + AC_DEFINE([FLAC__HAS_NEONINTRIN], 1, [Set to 1 if <arm_neon.h> is available.]) + AC_MSG_CHECKING([whether arm_neon.h has A64 functions]) + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[#include <arm_neon.h>]], + [[float64x2_t sum5; sum5 = vdupq_n_f64(0.0f);]])], + [AC_MSG_RESULT([yes]) + has_a64neon=yes], + [AC_MSG_RESULT([no])]) + if test "x$has_a64neon" = xyes; then + AC_DEFINE([FLAC__HAS_A64NEONINTRIN], 1, [Set to 1 if <arm_neon.h> has A64 instructions.]) + asm_optimisation=yes + else + AC_DEFINE([FLAC__HAS_A64NEONINTRIN], 0) + fi +else + AC_DEFINE([FLAC__HAS_NEONINTRIN], 0) +fi + +case "$host" in + i386-*-openbsd3.[[0-3]]) OBJ_FORMAT=aoutb ;; + *-*-cygwin|*mingw*) OBJ_FORMAT=win32 ;; + *-*-darwin*) OBJ_FORMAT=macho ;; + *emx*) OBJ_FORMAT=aout ;; + *djgpp) OBJ_FORMAT=coff ;; + *) OBJ_FORMAT=elf ;; +esac +AC_SUBST(OBJ_FORMAT) + +os_is_windows=no +case "$host" in + *mingw*) + os_is_windows=yes + AC_CHECK_TOOL(RC,[windres],[:]) + ;; +esac + +AM_CONDITIONAL(OS_IS_WINDOWS, test "x$os_is_windows" = xyes) +AM_CONDITIONAL(HAVE_WINDRES, test "x$RC" != "x:") + +case "$host" in + *-linux-*) + sys_linux=true + AC_DEFINE(FLAC__SYS_LINUX) + AH_TEMPLATE(FLAC__SYS_LINUX, [define if building for Linux]) + ;; + *-*-darwin*) + sys_darwin=true + AC_DEFINE(FLAC__SYS_DARWIN) + AH_TEMPLATE(FLAC__SYS_DARWIN, [define if building for Darwin / MacOS X]) + ;; +esac +AM_CONDITIONAL(FLaC__SYS_DARWIN, test "x$sys_darwin" = xtrue) +AM_CONDITIONAL(FLaC__SYS_LINUX, test "x$sys_linux" = xtrue) + +if test "x$cpu_ia32" = xtrue || test "x$cpu_x86_64" = xtrue ; then +AC_DEFINE(FLAC__ALIGN_MALLOC_DATA) +AH_TEMPLATE(FLAC__ALIGN_MALLOC_DATA, [define to align allocated memory on 32-byte boundaries]) +fi + +AM_CONDITIONAL([DEBUG], [test "x${ax_enable_debug}" = "xyes" || test "x${ax_enable_debug}" = "xinfo"]) + +AC_ARG_ENABLE(avx, +AS_HELP_STRING([--disable-avx],[Disable AVX, AVX2 optimizations. There is runtime detection of CPU features, so disabling is only necessary when a compiler does not know about them]), +[case "${enableval}" in + yes) use_avx=true ;; + no) use_avx=false ;; + *) AC_MSG_ERROR(bad value ${enableval} for --enable-avx) ;; +esac],[use_avx=true]) +AM_CONDITIONAL(FLaC__USE_AVX, test "x$use_avx" = xtrue) +if test "x$use_avx" = xtrue ; then +AC_DEFINE(FLAC__USE_AVX) +AH_TEMPLATE(FLAC__USE_AVX, [define to enable use of AVX instructions]) +fi + +AC_ARG_ENABLE(thorough-tests, +AS_HELP_STRING([--disable-thorough-tests],[Disable thorough (long) testing, do only basic tests]), +[case "${enableval}" in + yes) thorough_tests=true ;; + no) thorough_tests=false ;; + *) AC_MSG_ERROR(bad value ${enableval} for --enable-thorough-tests) ;; +esac],[thorough_tests=true]) +AC_ARG_ENABLE(exhaustive-tests, +AS_HELP_STRING([--enable-exhaustive-tests],[Enable exhaustive testing (VERY long)]), +[case "${enableval}" in + yes) exhaustive_tests=true ;; + no) exhaustive_tests=false ;; + *) AC_MSG_ERROR(bad value ${enableval} for --enable-exhaustive-tests) ;; +esac],[exhaustive_tests=false]) +if test "x$thorough_tests" = xfalse ; then +FLAC__TEST_LEVEL=0 +elif test "x$exhaustive_tests" = xfalse ; then +FLAC__TEST_LEVEL=1 +else +FLAC__TEST_LEVEL=2 +fi +AC_SUBST(FLAC__TEST_LEVEL) + +AC_ARG_ENABLE(werror, + AS_HELP_STRING([--enable-werror],[Enable -Werror in all Makefiles])) + +AC_ARG_ENABLE([stack-smash-protection], + [AS_HELP_STRING([--disable-stack-smash-protection],[Disable GNU GCC stack smash protection])],, + [AS_IF([test "$ac_cv_c_compiler_gnu" = "yes"], + [enable_stack_smash_protection=yes],[enable_stack_smash_protection=no])]) + +AC_ARG_ENABLE([fortify-source], + [AS_HELP_STRING([--disable-fortify-source],[Disable _FORTIFY_SOURCE buffer overflow protection])],, + [AS_IF([test "$ac_cv_c_compiler_gnu" = "yes"], + [enable_fortify_source=yes],[enable_fortify_source=no])]) + +case "$host" in + *mingw*) + if test "$enable_fortify_source" = "yes"; then + AC_SEARCH_LIBS(__memset_chk, ssp, , mingw_has_memset_chk=no) + fi + if test "$enable_stack_smash_protection" = "yes"; then + AC_SEARCH_LIBS(__stack_chk_fail, ssp, , mingw_has_stack_chk_fail=no) + fi + ;; +esac + + +AC_ARG_ENABLE(64-bit-words, + AS_HELP_STRING([--disable-64-bit-words],[Set FLAC__BYTES_PER_WORD to 4 (8 is the default)])) +if test "x$enable_64_bit_words" = xno ; then + AC_DEFINE_UNQUOTED([ENABLE_64_BIT_WORDS],0,[Set FLAC__BYTES_PER_WORD to 8 (this is the default)]) +else + AC_DEFINE_UNQUOTED([ENABLE_64_BIT_WORDS],1) +fi +AC_SUBST(ENABLE_64_BIT_WORDS) + +AC_ARG_ENABLE(valgrind-testing, +AS_HELP_STRING([--enable-valgrind-testing],[Run all tests inside Valgrind]), +[case "${enableval}" in + yes) FLAC__TEST_WITH_VALGRIND=yes ;; + no) FLAC__TEST_WITH_VALGRIND=no ;; + *) AC_MSG_ERROR(bad value ${enableval} for --enable-valgrind-testing) ;; +esac],[FLAC__TEST_WITH_VALGRIND=no]) +AC_SUBST(FLAC__TEST_WITH_VALGRIND) + +AC_ARG_ENABLE(doxygen-docs, +AS_HELP_STRING([--disable-doxygen-docs],[Disable API documentation building via Doxygen]), +[case "${enableval}" in + yes) enable_doxygen_docs=true ;; + no) enable_doxygen_docs=false ;; + *) AC_MSG_ERROR(bad value ${enableval} for --enable-doxygen-docs) ;; +esac],[enable_doxygen_docs=true]) +if test "x$enable_doxygen_docs" != xfalse ; then + AC_CHECK_PROGS(DOXYGEN, doxygen) +fi +AM_CONDITIONAL(FLaC__HAS_DOXYGEN, test -n "$DOXYGEN") + +if test ! -n "$DOXYGEN" && test -f "$srcdir/doc/FLAC.tag" && test -f "$srcdir/doc/api/modules.html" ; then + HAS_PREBUILT_DOXYGEN=yes +fi +AM_CONDITIONAL(FLaC__HAS_PREBUILT_DOXYGEN, test "x$HAS_PREBUILT_DOXYGEN" = xyes) + +dnl build FLAC++ or not +AC_ARG_ENABLE([cpplibs], +AS_HELP_STRING([--disable-cpplibs],[Do not build libFLAC++]), +[case "${enableval}" in + yes) disable_cpplibs=false ;; + no) disable_cpplibs=true ;; + *) AC_MSG_ERROR(bad value ${enableval} for --enable-cpplibs) ;; +esac], [disable_cpplibs=false]) +AM_CONDITIONAL(FLaC__WITH_CPPLIBS, [test "x$disable_cpplibs" != xtrue]) + +AC_ARG_ENABLE([oss-fuzzers], + [AS_HELP_STRING([--enable-oss-fuzzers], + [Whether to generate the fuzzers for OSS-Fuzz (Clang only)])], + [have_oss_fuzzers=yes], [have_oss_fuzzers=no]) + +if test "x$have_oss_fuzzers" = "xyes"; then + if test "x$xiph_cv_c_compiler_clang" = "xyes" ; then + AM_CONDITIONAL([USE_OSSFUZZERS], [test "x$have_oss_fuzzers" = "xyes"]) + if test "x$LIB_FUZZING_ENGINE" = "x" ; then + # Only set this if it is empty. + LIB_FUZZING_ENGINE=-fsanitize=fuzzer + fi + else + AM_CONDITIONAL([USE_OSSFUZZERS], [test "false" = "true"]) + # Disable fuzzer if the compiler is not Clang. + AC_MSG_WARN([*** Ozz-Fuzz is disabled because that requires the Clang compiler.]) + have_oss_fuzzers="no (compiler is not Clang)" + fi +else + AM_CONDITIONAL([USE_OSSFUZZERS], [test "false" = "true"]) +fi + +AC_SUBST([LIB_FUZZING_ENGINE]) + +dnl check for ogg library +AC_ARG_ENABLE([ogg], + AS_HELP_STRING([--disable-ogg],[Disable ogg support (default: test for libogg)]), + [ want_ogg=$enableval ], [ want_ogg=yes ] ) + +if test "x$want_ogg" != "xno"; then + XIPH_PATH_OGG(have_ogg=yes, AC_MSG_WARN([*** Ogg development environment not installed - Ogg support will not be built])) +fi + +FLAC__HAS_OGG=0 +AM_CONDITIONAL(FLaC__HAS_OGG, [test "x$have_ogg" = xyes]) +if test "x$have_ogg" = xyes ; then + FLAC__HAS_OGG=1 + OGG_PACKAGE="ogg" +else + have_ogg=no +fi +AC_DEFINE_UNQUOTED([FLAC__HAS_OGG],$FLAC__HAS_OGG,[define if you have the ogg library]) +AC_SUBST(FLAC__HAS_OGG) +AC_SUBST(OGG_PACKAGE) + +dnl Build programs? +AC_ARG_ENABLE([programs], + AS_HELP_STRING([--disable-programs], [Do not build and install flac and metaflac])) +AM_CONDITIONAL(FLaC__WITH_PROGRAMS, [test "x$enable_programs" != "xno"]) + +dnl Build examples? +AC_ARG_ENABLE([examples], + AS_HELP_STRING([--disable-examples], [Do not build and install examples])) +AM_CONDITIONAL([EXAMPLES], [test "x$enable_examples" != "xno"]) + +dnl Ask git which version FLAC is +AC_ARG_ENABLE([version-from-git], + AS_HELP_STRING([--disable-version-from-git], [Do not use git tag, commit hash and commit date for version number]), + [ enable_version_from_git=$enableval ], [ enable_version_from_git=yes ]) + + +dnl check for i18n(internationalization); these are from libiconv/gettext +AM_ICONV +AM_LANGINFO_CODESET + +AC_CHECK_PROGS(PANDOC, pandoc) +AM_CONDITIONAL(FLaC__HAS_PANDOC, test -n "$PANDOC") +if test -n "$PANDOC" ; then + AC_DEFINE(FLAC__HAS_PANDOC) + AH_TEMPLATE(FLAC__HAS_PANDOC, [define if you have pandoc]) +else +if test -f "$srcdir/man/flac.1" && test -f "$srcdir/man/metaflac.1" ; then + HAS_PREBUILT_MANPAGES=yes +fi +fi +AM_CONDITIONAL(FLaC__HAS_PREBUILT_MANPAGES, test "x$HAS_PREBUILT_MANPAGES" = "xyes") + +AC_CHECK_LIB(rt, clock_gettime, + LIB_CLOCK_GETTIME=-lrt + AC_DEFINE(HAVE_CLOCK_GETTIME) + AH_TEMPLATE(HAVE_CLOCK_GETTIME, [define if you have clock_gettime])) +AC_SUBST(LIB_CLOCK_GETTIME) + +XIPH_GCC_VERSION dnl Sets a non-zero GCC_XXX_VERSION for gcc, not clang. checks below rely on that.. + +if test x$ac_cv_c_compiler_gnu = xyes -o x$xiph_cv_c_compiler_clang = xyes ; then + dnl Prepend defaults to CFLAGS for GCC and Clang + AS_IF([test "x${ax_enable_debug}" = "xno"], [ + CFLAGS="-O3 -funroll-loops $CFLAGS" + CXXFLAGS="-O3 $CXXFLAGS" + ]) + + CFLAGS="$CFLAGS -Wall -Wextra -Wstrict-prototypes -Wmissing-prototypes -Waggregate-return -Wcast-align -Wnested-externs -Wshadow -Wundef -Wmissing-declarations -Winline " # -Wcast-qual -Wbad-function-cast -Wwrite-strings -Wconversion + CXXFLAGS="$CXXFLAGS -Wall -Wextra -Wcast-align -Wshadow -Wwrite-strings -Wctor-dtor-privacy -Wnon-virtual-dtor -Wreorder -Wsign-promo -Wundef " # -Wcast-qual -Wbad-function-cast -Wwrite-strings -Woverloaded-virtual -Wmissing-declarations + + XIPH_ADD_CFLAGS([-Wdeclaration-after-statement]) + + dnl some distributions (such as Gentoo) have _FORTIFY_SOURCE always + dnl enabled. We test for this situation in order to prevent polluting + dnl the console with messages of macro redefinitions. + + if test "$enable_fortify_source" = "yes" && test "x$mingw_has_memset_chk" != "xno" + then + AX_ADD_FORTIFY_SOURCE + fi + + AC_LANG_PUSH([C++]) + XIPH_ADD_CXXFLAGS([-Weffc++]) + AC_LANG_POP([C++]) + + if test x$xiph_cv_c_compiler_clang = xyes -a "$OBJ_FORMAT" = elf; then + CPPFLAGS="$CPPFLAGS -DFLAC__USE_VISIBILITY_ATTR" + CFLAGS="$CFLAGS -fvisibility=hidden" + CXXFLAGS="$CXXFLAGS -fvisibility=hidden" + elif test "$GCC_MAJOR_VERSION" -ge 4 && test "$OBJ_FORMAT" = elf; then + CPPFLAGS="$CPPFLAGS -DFLAC__USE_VISIBILITY_ATTR" + CFLAGS="$CFLAGS -fvisibility=hidden" + CXXFLAGS="$CXXFLAGS -fvisibility=hidden" + fi + + + if test x$xiph_cv_c_compiler_clang = xyes -a "$OBJ_FORMAT" = macho; then + CPPFLAGS="$CPPFLAGS -DFLAC__USE_VISIBILITY_ATTR" + CFLAGS="$CFLAGS -fvisibility=hidden" + CXXFLAGS="$CXXFLAGS -fvisibility=hidden" + elif test "$GCC_MAJOR_VERSION" -ge 4 && test "$OBJ_FORMAT" = macho; then + CPPFLAGS="$CPPFLAGS -DFLAC__USE_VISIBILITY_ATTR" + CFLAGS="$CFLAGS -fvisibility=hidden" + CXXFLAGS="$CXXFLAGS -fvisibility=hidden" + fi + + if test "x$GCC_MAJOR_VERSION$GCC_MINOR_VERSION" = "x42" ; then + XIPH_ADD_CFLAGS([-fgnu89-inline]) + fi + + if test "x$GCC_MAJOR_VERSION$GCC_MINOR_VERSION" = "x47" ; then + XIPH_ADD_CFLAGS([-fno-inline-small-functions]) + fi + + fi + +case "$host_os" in + "mingw32"|"os2") + if test "$host_cpu" = "i686"; then + XIPH_ADD_CFLAGS([-mstackrealign]) + fi + esac + +if test x$enable_werror = "xyes" ; then + XIPH_ADD_CFLAGS([-Werror]) + AC_LANG_PUSH([C++]) + XIPH_ADD_CXXFLAGS([-Werror]) + AC_LANG_POP([C++]) + fi + +if test x$enable_stack_smash_protection = "xyes" && test "x$mingw_has_stack_chk_fail" != "xno" ; then + XIPH_GCC_STACK_PROTECTOR + XIPH_GXX_STACK_PROTECTOR +else + enable_stack_smash_protection=no +fi + +AH_VERBATIM([FLAC_API_EXPORTS], +[/* libtool defines DLL_EXPORT for windows dll builds, + but flac code relies on FLAC_API_EXPORTS instead. */ +#ifdef DLL_EXPORT +#ifdef __cplusplus +# define FLACPP_API_EXPORTS +#else +# define FLAC_API_EXPORTS +#endif +#endif]) + +if test x$enable_static = "xyes" ; then +dnl for correct FLAC_API + CPPFLAGS="-DFLAC__NO_DLL $CPPFLAGS" + fi + +AC_CHECK_PROG(GIT_FOUND,git,yes) + +if test x$GIT_FOUND$enable_version_from_git = "xyesyes"; then + GIT_COMMIT_TAG=`git -C $srcdir --git-dir=.git describe --tags --exact-match 2>/dev/null` + GIT_COMMIT_HASH=`git -C $srcdir --git-dir=.git log -1 --pretty=format:%h 2>/dev/null` + GIT_COMMIT_DATE=`git -C $srcdir --git-dir=.git log -1 --pretty=format:%cd --date=format:%Y%m%d 2>/dev/null` + if test ${#GIT_COMMIT_HASH} = 8 && test ${#GIT_COMMIT_DATE} = 8; then + GIT_COMMIT_VERSION_AVAIL=yes + if test ${#GIT_COMMIT_TAG} != 0 ; then + GIT_COMMIT_TAG_AVAIL=yes + AC_DEFINE_UNQUOTED(GIT_COMMIT_TAG, "${GIT_COMMIT_TAG}", "Define to the tag of the current git HEAD") + else + GIT_COMMIT_VERSION_HASH=yes + fi + AC_DEFINE_UNQUOTED(GIT_COMMIT_HASH, "${GIT_COMMIT_HASH}", "Define to the short hash of the current git HEAD") + AC_DEFINE_UNQUOTED(GIT_COMMIT_DATE, "${GIT_COMMIT_DATE}", "Define to the commit date of the current git HEAD") + fi +fi + +AC_SUBST(GIT_COMMIT_VERSION_HASH) + +AX_CHECK_COMPILE_FLAG([-fassociative-math -fno-signed-zeros -fno-trapping-math -freciprocal-math],HAVE_ASSOC_MATH=yes) +AM_CONDITIONAL(ASSOC_MATH_AVAILABLE, test "x$HAVE_ASSOC_MATH" = "xyes") + + +AC_CONFIG_FILES([ \ + Makefile \ + src/Makefile \ + src/libFLAC/Makefile \ + src/libFLAC/flac.pc \ + src/libFLAC/include/Makefile \ + src/libFLAC/include/private/Makefile \ + src/libFLAC/include/protected/Makefile \ + src/libFLAC++/Makefile \ + src/libFLAC++/flac++.pc \ + src/flac/Makefile \ + src/metaflac/Makefile \ + src/share/Makefile \ + src/test_grabbag/Makefile \ + src/test_grabbag/cuesheet/Makefile \ + src/test_grabbag/picture/Makefile \ + src/test_libs_common/Makefile \ + src/test_libFLAC/Makefile \ + src/test_libFLAC++/Makefile \ + src/test_seeking/Makefile \ + src/test_streams/Makefile \ + src/utils/Makefile \ + src/utils/flacdiff/Makefile \ + src/utils/flactimer/Makefile \ + examples/Makefile \ + examples/c/Makefile \ + examples/c/decode/Makefile \ + examples/c/decode/file/Makefile \ + examples/c/encode/Makefile \ + examples/c/encode/file/Makefile \ + examples/cpp/Makefile \ + examples/cpp/decode/Makefile \ + examples/cpp/decode/file/Makefile \ + examples/cpp/encode/Makefile \ + examples/cpp/encode/file/Makefile \ + include/Makefile \ + include/FLAC/Makefile \ + include/FLAC++/Makefile \ + include/share/Makefile \ + include/share/grabbag/Makefile \ + include/test_libs_common/Makefile \ + doc/Doxyfile \ + doc/Makefile \ + doc/images/Makefile \ + m4/Makefile \ + man/Makefile \ + test/common.sh \ + test/Makefile \ + test/cuesheets/Makefile \ + test/foreign-metadata-test-files/Makefile \ + test/flac-to-flac-metadata-test-files/Makefile \ + test/metaflac-test-files/Makefile \ + test/pictures/Makefile \ + microbench/Makefile \ + oss-fuzz/Makefile +]) +AC_OUTPUT + +AC_MSG_RESULT([ +-=-=-=-=-=-=-=-=-=-= Configuration Complete =-=-=-=-=-=-=-=-=-=- + + Configuration summary : + + FLAC version : ............................ ${VERSION} + + Host CPU : ................................ ${host_cpu} + Host Vendor : ............................. ${host_vendor} + Host OS : ................................. ${host_os} +]) + +if test x$GIT_COMMIT_TAG_AVAIL = xyes ; then + echo " Version string : reference libFLAC ${GIT_COMMIT_TAG} ${GIT_COMMIT_DATE}" +elif test x$GIT_COMMIT_VERSION_AVAIL = xyes ; then + echo " Version string : reference libFLAC git-${GIT_COMMIT_HASH} ${GIT_COMMIT_DATE}" +fi + echo "" + echo " Compiler is GCC : ......................... ${ac_cv_c_compiler_gnu}" +if test x$ac_cv_c_compiler_gnu = xyes ; then + echo " GCC version : ............................. ${GCC_VERSION}" +fi + echo " Compiler is Clang : ....................... ${xiph_cv_c_compiler_clang}" + echo " Asm optimizations : ....................... ${asm_optimisation}" + echo " Ogg/FLAC support : ........................ ${have_ogg}" + echo " Stack protector : ........................ ${enable_stack_smash_protection}" + echo " Fuzzing support (Clang only) : ............ ${have_oss_fuzzers}" +echo |