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flac/configure.ac
Martijn van Beurden f579b163fe
Add git commit tag, hash and date to vendor string when available 
In some circles (Hydrogenaud.io for example) people share binaries
compiled from git, i.e. inbetween official releases. Files created
with these binaries cannot be discerned from others. To improve
troubleshooting, compiles from a git repository are marked with
the commit hash and date when configured with autotools or CMake
2022-04-20 21:47:07 +02:00

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# FLAC - Free Lossless Audio Codec
# Copyright (C) 2001,2002,2003,2004,2005,2006,2007,2008,2009 Josh Coalson
#
# 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],[1.3.4],[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])])
AC_MSG_CHECKING([whether configure should try to set CFLAGS/CXXFLAGS/CPPFLAGS/LDFLAGS])
AS_IF([test "x${CFLAGS+set}" = "xset" || test "x${CXXFLAGS+set}" = "xset" || test "x${CPPFLAGS+set}" = "xset" || test "x${LDFLAGS+set}" = "xset"],
[enable_flags_setting=no],
[enable_flags_setting=yes]
)
AC_MSG_RESULT([${enable_flags_setting}])
AX_CHECK_ENABLE_DEBUG
user_cflags=$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 inttypes.h byteswap.h sys/param.h sys/ioctl.h termios.h x86intrin.h cpuid.h])
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, ${ac_cv_c_big_endian},
[Target processor is big endian.])
AC_ARG_ENABLE(asm-optimizations, AS_HELP_STRING([--disable-asm-optimizations],[Don't use any assembly optimization routines]), asm_opt=no, asm_opt=yes)
dnl ' Terminate the damn single quote
AM_CONDITIONAL(FLaC__NO_ASM, test "x$asm_opt" = xno)
if test "x$asm_opt" = xno ; then
AC_DEFINE(FLAC__NO_ASM)
AH_TEMPLATE(FLAC__NO_ASM, [define to disable use of assembly code])
fi
# For the XMMS plugin.
AC_CHECK_TYPES(socklen_t, [], [])
dnl check for getopt in standard library
dnl AC_CHECK_FUNCS(getopt_long , , [LIBOBJS="$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])
asm_optimisation=$asm_opt
;;
*)
if test $ac_cv_sizeof_voidp = 4 ; then
# This must be a 32 bit user space running on 64 bit kernel so treat
# this as ia32.
cpu_ia32=true
AC_DEFINE(FLAC__CPU_IA32)
AH_TEMPLATE(FLAC__CPU_IA32, [define if building for ia32/i386])
else
# x86_64 user space and kernel.
cpu_x86_64=true
AC_DEFINE(FLAC__CPU_X86_64)
AH_TEMPLATE(FLAC__CPU_X86_64, [define if building for x86_64])
fi
asm_optimisation=$asm_opt
;;
esac
;;
i*86)
cpu_ia32=true
AC_DEFINE(FLAC__CPU_IA32)
AH_TEMPLATE(FLAC__CPU_IA32, [define if building for ia32/i386])
asm_optimisation=$asm_opt
;;
powerpc64|powerpc64le)
cpu_ppc64=true
cpu_ppc=true
AC_DEFINE(FLAC__CPU_PPC)
AH_TEMPLATE(FLAC__CPU_PPC, [define if building for PowerPC])
AC_DEFINE(FLAC__CPU_PPC64)
AH_TEMPLATE(FLAC__CPU_PPC64, [define if building for PowerPC64])
asm_optimisation=$asm_opt
;;
powerpc|powerpcle)
cpu_ppc=true
AC_DEFINE(FLAC__CPU_PPC)
AH_TEMPLATE(FLAC__CPU_PPC, [define if building for PowerPC])
asm_optimisation=$asm_opt
;;
sparc)
cpu_sparc=true
AC_DEFINE(FLAC__CPU_SPARC)
AH_TEMPLATE(FLAC__CPU_SPARC, [define if building for SPARC])
asm_optimisation=$asm_opt
;;
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_PPC, test "x$cpu_ppc" = xtrue)
AM_CONDITIONAL(FLaC__CPU_PPC64, test "x$cpu_ppc64" = xtrue)
AM_CONDITIONAL(FLaC__CPU_SPARC, test "x$cpu_sparc" = xtrue)
if test "x$ac_cv_header_x86intrin_h" = xyes; then
AC_DEFINE([FLAC__HAS_X86INTRIN], 1, [Set to 1 if <x86intrin.h> is available.])
else
AC_DEFINE([FLAC__HAS_X86INTRIN], 0)
fi
if test x"$cpu_ppc64" = xtrue ; then
AC_C_ATTRIBUTE([target("cpu=power8")],
[have_cpu_power8=yes],
[have_cpu_power8=no])
if test x"$have_cpu_power8" = xyes ; then
AC_DEFINE(FLAC__HAS_TARGET_POWER8)
AH_TEMPLATE(FLAC__HAS_TARGET_POWER8, [define if compiler has __attribute__((target("cpu=power8"))) support])
fi
AC_C_ATTRIBUTE([target("cpu=power9")],
[have_cpu_power9=yes],
[have_cpu_power9=no])
if test x"$have_cpu_power9" = xyes ; then
AC_DEFINE(FLAC__HAS_TARGET_POWER9)
AH_TEMPLATE(FLAC__HAS_TARGET_POWER9, [define if compiler has __attribute__((target("cpu=power9"))) support])
fi
fi
case "$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*)
CPPFLAGS="-D__MSVCRT_VERSION__=0x0601 $CPPFLAGS"
os_is_windows=yes
AC_SEARCH_LIBS(__memset_chk, ssp, , mingw_has_memset_chk=no)
AC_SEARCH_LIBS(__stack_chk_fail, ssp, , mingw_has_stack_chk_fail=no)
;;
esac
AM_CONDITIONAL(OS_IS_WINDOWS, test "x$os_is_windows" = xyes)
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${ax_enable_debug}" = "xinfo"])
AC_ARG_ENABLE(sse,
AS_HELP_STRING([--disable-sse],[Disable passing of -msse2 to the compiler]),
[case "${enableval}" in
yes) sse_os=yes ;;
no) sse_os=no ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-sse) ;;
esac],[sse_os=yes])
AC_ARG_ENABLE(altivec,
AS_HELP_STRING([--disable-altivec],[Disable Altivec optimizations]),
[case "${enableval}" in
yes) use_altivec=true ;;
no) use_altivec=false ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-altivec) ;;
esac],[use_altivec=true])
AM_CONDITIONAL(FLaC__USE_ALTIVEC, test "x$use_altivec" = xtrue)
if test "x$use_altivec" = xtrue ; then
AC_DEFINE(FLAC__USE_ALTIVEC)
AH_TEMPLATE(FLAC__USE_ALTIVEC, [define to enable use of Altivec instructions])
fi
AC_ARG_ENABLE(vsx,
AS_HELP_STRING([--disable-vsx],[Disable VSX optimizations]),
[case "${enableval}" in
yes) use_vsx=true ;;
no) use_vsx=false ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-vsx) ;;
esac],[use_vsx=true])
AM_CONDITIONAL(FLaC__USE_VSX, test "x$use_vsx" = xtrue)
if test "x$use_vsx" = xtrue ; then
AC_DEFINE(FLAC__USE_VSX)
AH_TEMPLATE(FLAC__USE_VSX, [define to enable use of VSX instructions])
fi
AC_ARG_ENABLE(avx,
AS_HELP_STRING([--disable-avx],[Disable AVX, AVX2 optimizations]),
[case "${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" && test "x$mingw_has_stack_chk_fail" != "xno"],
[enable_stack_smash_protection=yes],[enable_stack_smash_protection=no])])
AC_ARG_ENABLE(64-bit-words,
AS_HELP_STRING([--enable-64-bit-words],[Set FLAC__BYTES_PER_WORD to 8 (4 is the default)]))
if test "x$enable_64_bit_words" = xyes ; then
AC_DEFINE_UNQUOTED([ENABLE_64_BIT_WORDS],1,[Set FLAC__BYTES_PER_WORD to 8 (4 is the default)])
else
AC_DEFINE_UNQUOTED([ENABLE_64_BIT_WORDS],0)
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 "$DOXYGEN")
AC_ARG_ENABLE(local-xmms-plugin,
AS_HELP_STRING([--enable-local-xmms-plugin],[Install XMMS plugin to ~/.xmms/Plugins instead of system location]),
[case "${enableval}" in
yes) install_xmms_plugin_locally=true ;;
no) install_xmms_plugin_locally=false ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-local-xmms-plugin) ;;
esac],[install_xmms_plugin_locally=false])
AM_CONDITIONAL(FLaC__INSTALL_XMMS_PLUGIN_LOCALLY, test "x$install_xmms_plugin_locally" = xtrue)
AC_ARG_ENABLE(xmms-plugin,
AS_HELP_STRING([--disable-xmms-plugin],[Do not build XMMS plugin]),
[case "${enableval}" in
yes) enable_xmms_plugin=true ;;
no) enable_xmms_plugin=false ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-xmms-plugin) ;;
esac],[enable_xmms_plugin=true])
if test "x$enable_xmms_plugin" != xfalse ; then
AM_PATH_XMMS(0.9.5.1, , AC_MSG_WARN([*** XMMS >= 0.9.5.1 not installed - XMMS support will not be built]))
fi
AM_CONDITIONAL(FLaC__HAS_XMMS, test -n "$XMMS_INPUT_PLUGIN_DIR")
dnl build FLAC++ or not
AC_ARG_ENABLE([cpplibs],
AS_HELP_STRING([--disable-cpplibs],[Do not build libFLAC++]),
[case "${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],$FLAC__HAS_OGG,[define if you have the ogg library])
AC_SUBST(FLAC__HAS_OGG)
AC_SUBST(OGG_PACKAGE)
dnl Build examples?
AC_ARG_ENABLE([examples],
AS_HELP_STRING([--disable-examples], [Don't build and install examples]))
AM_CONDITIONAL([EXAMPLES], [test "x$enable_examples" != "xno"])
dnl Ask git which version FLAC is
AC_ARG_ENABLE([version-from-git],
AS_HELP_STRING([--disable-version-from-git], [Don't use git tag, commit hash and commit date for version number]),
[ enable_version_from_git=$enableval ], [ enable_version_from_git=yes ])
dnl check for i18n(internationalization); these are from libiconv/gettext
AM_ICONV
AM_LANGINFO_CODESET
AC_CHECK_PROGS(DOCBOOK_TO_MAN, docbook-to-man docbook2man)
AM_CONDITIONAL(FLaC__HAS_DOCBOOK_TO_MAN, test -n "$DOCBOOK_TO_MAN")
if test -n "$DOCBOOK_TO_MAN" ; then
AC_DEFINE(FLAC__HAS_DOCBOOK_TO_MAN)
AH_TEMPLATE(FLAC__HAS_DOCBOOK_TO_MAN, [define if you have docbook-to-man or docbook2man])
fi
AC_CHECK_LIB(rt, clock_gettime,
LIB_CLOCK_GETTIME=-lrt
AC_DEFINE(HAVE_CLOCK_GETTIME)
AH_TEMPLATE(HAVE_CLOCK_GETTIME, [define if you have clock_gettime]))
AC_SUBST(LIB_CLOCK_GETTIME)
# only matters for x86
AC_CHECK_PROGS(NASM, nasm)
AM_CONDITIONAL(FLaC__HAS_NASM, test -n "$NASM")
if test -n "$NASM" ; then
AC_DEFINE(FLAC__HAS_NASM)
AH_TEMPLATE(FLAC__HAS_NASM, [define if you are compiling for x86 and have the NASM assembler])
fi
dnl If debugging is disabled AND no CFLAGS/CXXFLAGS/CPPFLAGS/LDFLAGS
dnl are provided, we can set defaults to our liking
AS_IF([test "x${ax_enable_debug}" = "xno" && test "x${enable_flags_setting}" = "xyes"], [
CFLAGS="-O3 -funroll-loops"
CXXFLAGS="-O3"
])
XIPH_GCC_VERSION dnl Sets a non-zero GCC_XXX_VERSION for gcc, not clang. checks below rely on that..
if test x$ac_cv_c_compiler_gnu = xyes -o x$xiph_cv_c_compiler_clang = xyes ; then
CFLAGS="$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="$CXXFLAGS -Wall -Wextra -Wcast-align -Wshadow -Wwrite-strings -Wctor-dtor-privacy -Wnon-virtual-dtor -Wreorder -Wsign-promo -Wundef " # -Wcast-qual -Wbad-function-cast -Wwrite-strings -Woverloaded-virtual -Wmissing-declarations
XIPH_ADD_CFLAGS([-Wdeclaration-after-statement])
dnl some distributions (such as Gentoo) have _FORTIFY_SOURCE always
dnl enabled. We test for this situation in order to prevent polluting
dnl the console with messages of macro redefinitions.
if test "x$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
if test "x$asm_optimisation$sse_os" = "xyesyes" ; then
XIPH_ADD_CFLAGS([-msse2])
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" ; then
XIPH_GCC_STACK_PROTECTOR
XIPH_GXX_STACK_PROTECTOR
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 describe --tags --exact-match 2>/dev/null`
GIT_COMMIT_HASH=`git -C $srcdir log -1 --pretty=format:%h 2>/dev/null`
GIT_COMMIT_DATE=`git -C $srcdir 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)
AC_CONFIG_FILES([ \
Makefile \
src/Makefile \
src/libFLAC/Makefile \
src/libFLAC/flac.pc \
src/libFLAC/ia32/Makefile \
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/plugin_common/Makefile \
src/plugin_xmms/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/html/Makefile \
doc/html/images/Makefile \
m4/Makefile \
man/Makefile \
test/common.sh \
test/Makefile \
test/cuesheets/Makefile \
test/flac-to-flac-metadata-test-files/Makefile \
test/metaflac-test-files/Makefile \
test/pictures/Makefile \
build/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 " SSE optimizations : ....................... ${sse_os}"
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
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