/
configure.ac
198 lines (167 loc) · 7.09 KB
/
configure.ac
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AC_INIT([kvazaar], m4_esyscmd([printf $(awk '/#define KVZ_VERSION/ { print $3 }' src/global.h)]))
AC_CONFIG_SRCDIR([src/encmain.c])
# Library version number, modify:
# - When modifying kvazaar.h.
# - Modify either major or minor.
# - When making a new release.
# - If major or minor did not change since last release.
# - Check git history to see if someone forgot to increment major or minor.
# - Increment release.
#
# major:
# - Increment when ABI changes, meaning lib users need to be recompiled.
# - ABI changes when anything existing gets modified, including sizes of structs.
# minor:
# - Increment when only API changes in a backwards compatible way without breaking ABI.
# - We count adding parameters to bottom of kvz_config as ABI compatible, because user
# shouldn't copy that struct or care about it's size.
# - If not sure, increment major instead.
# release:
# - Increment when making new releases and major or minor was not changed since last release.
#
# Here is a somewhat sane guide to lib versioning: http://apr.apache.org/versioning.html
ver_major=7
ver_minor=4
ver_release=0
# Prevents configure from adding a lot of defines to the CFLAGS
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_AUX_DIR([build-aux])
AM_INIT_AUTOMAKE([-Wall dist-bzip2 dist-xz foreign subdir-objects])
AM_SILENT_RULES([yes])
AC_PROG_CC
AC_PROG_CC_C99
AM_PROG_AR
AC_PROG_CXX
# Get fread that can read more than 2GB on 32 bit systems.
AC_SYS_LARGEFILE
LT_INIT([win32-dll])
AC_CANONICAL_HOST
flag_gcc_on_mingw="false"
case x"${host_os}" in
x"cygwin"*|x"mingw"*)
if test x"${CC}" = x"gcc" ; then
flag_gcc_on_mingw="true"
fi
esac
AX_CHECK_COMPILE_FLAG([-maltivec],[flag_altivec="true"])
AX_CHECK_COMPILE_FLAG([-mavx2], [flag_avx2="true"])
AX_CHECK_COMPILE_FLAG([-msse4.1], [flag_sse4_1="true"])
AX_CHECK_COMPILE_FLAG([-msse2], [flag_sse2="true"])
AX_CHECK_COMPILE_FLAG([-mbmi], [flag_bmi="true"])
AX_CHECK_COMPILE_FLAG([-mabm], [flag_abm="true"])
AX_CHECK_COMPILE_FLAG([-mpopcnt], [flag_popcnt="true"])
AX_CHECK_COMPILE_FLAG([-mlzcnt], [flag_lzcnt="true"])
AX_CHECK_COMPILE_FLAG([-mbmi2], [flag_bmi2="true"])
# Do we need -mpopcnt and -mlzcnt, or -mabm to use POPCNT and LZCNT
# instructions? Ask GCC and Clang, and they have different answers.
AM_CONDITIONAL([HAVE_ALTIVEC], [test x"$flag_altivec" = x"true"])
AM_CONDITIONAL([HAVE_AVX2_GCC], [test x"$flag_avx2" = x"true" -a x"$flag_bmi" = x"true" -a x"$flag_abm" = x"true" -a x"$flag_bmi2" = x"true" -a x"$flag_gcc_on_mingw" = x"false"])
AM_CONDITIONAL([HAVE_AVX2_CLANG], [test x"$flag_avx2" = x"true" -a x"$flag_bmi" = x"true" -a x"$flag_popcnt" = x"true" -a x"$flag_lzcnt" = x"true" -a x"$flag_bmi2" = x"true" -a x"$flag_gcc_on_mingw" = x"false"])
AM_CONDITIONAL([HAVE_SSE4_1], [test x"$flag_sse4_1" = x"true"])
AM_CONDITIONAL([HAVE_SSE2], [test x"$flag_sse2" = x"true"])
KVZ_CFLAGS="-Wall -Wextra -Wvla -Wno-sign-compare -Wno-unused-parameter -I$srcdir/src -I$srcdir/src/extras -ftree-vectorize -fvisibility=hidden"
CFLAGS="$KVZ_CFLAGS $CFLAGS"
AC_SEARCH_LIBS([log], [m c], [], [exit 1])
AC_SEARCH_LIBS([pow], [m c], [], [exit 1])
AC_SEARCH_LIBS([sqrt], [m c], [], [exit 1])
AC_ARG_WITH([cryptopp],
AS_HELP_STRING([--with-cryptopp],
[Build with cryptopp Enables selective encryption.]))
AS_IF([test "x$with_cryptopp" = "xyes"],
[PKG_CHECK_MODULES([cryptopp], [cryptopp],
[AC_DEFINE([KVZ_SEL_ENCRYPTION], [1], [With cryptopp])],
[PKG_CHECK_MODULES([cryptopp], [libcrypto++],
[AC_DEFINE([KVZ_SEL_ENCRYPTION], [1], [With cryptopp])],
[PKG_CHECK_MODULES([cryptopp], [libcryptopp],
[AC_DEFINE([KVZ_SEL_ENCRYPTION], [1], [With cryptopp])],
[AC_MSG_ERROR([neither cryptopp, libcrypto++ nor libcryptopp found with pkg-config])]
)]
)]
)]
)
AM_CONDITIONAL([USE_CRYPTOPP], [test "x$with_cryptopp" = "xyes"])
CPPFLAGS="$CPPFLAGS $cryptopp_CFLAGS"
LIBS="$LIBS $cryptopp_LIBS"
CPPFLAGS="-DKVZ_DLL_EXPORTS $CPPFLAGS"
# We need to force AX_PTHREAD to check -pthread -lpthread since otherwise
# it only outputs -pthread for GCC. Without -lpthread GCC does not link the
# shared library against the pthread library (even though it does link the
# executable).
PTHREAD_CFLAGS=-pthread
PTHREAD_LIBS=-lpthread
# This does workarounds for pthreads on various compilers.
AX_PTHREAD([],[AC_MSG_ERROR([POSIX threads not found])])
CFLAGS="$PTHREAD_CFLAGS $CFLAGS"
LIBS="$PTHREAD_LIBS $LIBS"
CC="$PTHREAD_CC"
# --enable-werror
AC_ARG_ENABLE([werror], [AS_HELP_STRING([--enable-werror], [treat warnings as errors [no]])],
[CFLAGS="-Werror $CFLAGS"], []
)
# host and cpu specific settings
AS_CASE([$host_cpu],
[i?86], [BITS="32" ASFLAGS="$ASFLAGS -DARCH_X86_64=0" X86="true"],
[x86_64], [BITS="64" ASFLAGS="$ASFLAGS -DARCH_X86_64=1 -m amd64" X86="true"],
[powerpc*], [PPC="true"]
)
AS_CASE([$host_os],
[darwin*], [
ASFLAGS="$ASFLAGS -f macho$BITS -DPREFIX"
],
[cygwin*|msys*|mingw*], [
CFLAGS="$CFLAGS -D__USE_MINGW_ANSI_STDIO=1"
# Fix a bug in mingw gcc where stack doesn't get aligned properly, force all AVX instructions to be unaligned
AS_CASE([$CC], [*gcc],[
AX_CHECK_COMPILE_FLAG([-Wa,-muse-unaligned-vector-move],
[CFLAGS="-Wa,-muse-unaligned-vector-move $CFLAGS"],
[
AC_MSG_CHECKING([if compiler is gcc])
AS_IF([$CC --version | grep "gcc" >/dev/null 2>&1], [
AS_ECHO(["yes"])
AC_MSG_ERROR([-Wa,-muse-unaligned-vector-move not supported, required with mingw+gcc to fix alignment bugs, update the used gcc])
],[
AS_ECHO(["no"])
AS_ECHO(["Compiler not gcc, -Wa,-muse-unaligned-vector-move not needed"])
])
]
)
])
AS_IF(
[test "x$BITS" = "x32"], [
ASFLAGS="$ASFLAGS -fwin32 -DPREFIX -DHAVE_ALIGNED_STACK=0"
], [
ASFLAGS="$ASFLAGS -fwin64 -DHAVE_ALIGNED_STACK=1"
]
)
],
[midipix*], [
AS_IF(
[test "x$BITS" = "x32"], [
ASFLAGS="$ASFLAGS -fwin32 -DPREFIX -DHAVE_ALIGNED_STACK=0"
], [
ASFLAGS="$ASFLAGS -fwin64 -DHAVE_ALIGNED_STACK=1"
]
)
],
[linux*|*kfreebsd*], [
ASFLAGS="$ASFLAGS -f elf$BITS"
LDFLAGS="$LDFLAGS -Wl,-z,noexecstack"
LIBS="$LIBS -lrt"
], [
ASFLAGS="$ASFLAGS -f elf$BITS"
LDFLAGS="$LDFLAGS -Wl,-z,noexecstack"
]
)
AM_CONDITIONAL([HAVE_X86], [test "x$X86" = "xtrue"])
AM_CONDITIONAL([HAVE_PPC], [test "x$PPC" = "xtrue"])
AM_CONDITIONAL([HAVE_ARM], [test "x$ARM" = "xtrue"])
AC_ARG_VAR([ASFLAGS], [ASFLAGS to use for assembler])
AC_SUBST([ASFLAGS])
KVZ_API_VERSION="$ver_major:$ver_minor:$ver_release"
AC_SUBST([KVZ_API_VERSION])
AC_CONFIG_FILES([Makefile
src/Makefile
src/kvazaar.pc
tests/Makefile])
AC_OUTPUT