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|
dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.54)
AC_INIT([libmpeg2],[0.5.1],[])
AC_CONFIG_SRCDIR([src/mpeg2dec.c])
AC_CONFIG_AUX_DIR(.auto)
AC_CONFIG_FILES([Makefile include/Makefile test/Makefile
doc/Makefile src/Makefile libmpeg2/Makefile libmpeg2/convert/Makefile
libvo/Makefile vc++/Makefile
libmpeg2/libmpeg2.pc libmpeg2/convert/libmpeg2convert.pc])
AC_CONFIG_HEADERS([include/config.h])
AC_CANONICAL_HOST
AM_INIT_AUTOMAKE([1.5 -Wall foreign])
AM_MAINTAINER_MODE
dnl Checks for compiler
AC_PROG_CC
AC_PROG_GCC_TRADITIONAL
AM_PROG_AS
dnl Checks for headers. We do this before the CC-specific section because
dnl autoconf generates tests for generic headers before the first header test.
AC_CHECK_HEADERS([sys/time.h time.h sys/timeb.h io.h])
dnl CC-specific flags
AC_SUBST([OPT_CFLAGS])
AC_SUBST([ARCH_OPT_CFLAGS])
if test x"$CC" = x"checkergcc"; then
enable_sdl=no
elif test x"$GCC" = x"yes"; then
dnl GCC-specific flags
dnl -Wall
dnl -Werror moved to the end to not disturb the configure script
TRY_CFLAGS="$OPT_CFLAGS -Wall -Wpointer-arith -Wcast-align -Wcast-qual -Wstrict-prototypes -Wshadow -Waggregate-return -Wmissing-prototypes -Wnested-externs -Wsign-compare"
AC_TRY_CFLAGS([$TRY_CFLAGS $CFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"])
dnl -O3
changequote(<<,>>)
TRY_CFLAGS=`echo "$OPT_CFLAGS $CFLAGS"|sed "s/-O[0-9]*//g"`
changequote([,])
TRY_CFLAGS="$TRY_CFLAGS -O3"
AC_TRY_CFLAGS([$TRY_CFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"])
AC_ARG_ENABLE([debug],
[ --enable-debug debug mode configuration])
if test x"$enable_debug" = x"yes"; then
AC_DEFINE([DEBUG],,[debug mode configuration])
else
dnl -fomit-frame-pointer
TRY_CFLAGS="$OPT_CFLAGS -fomit-frame-pointer"
AC_TRY_CFLAGS([$TRY_CFLAGS $CFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"])
fi
dnl -fno-common
TRY_CFLAGS="$OPT_CFLAGS -fno-common"
AC_TRY_CFLAGS([$TRY_CFLAGS $CFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"])
dnl arch-specific flags
arm_conditional=false
case "$host" in
i?86-* | k?-* | x86_64-* | amd64-*)
AC_DEFINE([ARCH_X86],,[x86 architecture])
case "$host" in
i386-*) TRY_CFLAGS="$OPT_CFLAGS -mcpu=i386";;
i486-*) TRY_CFLAGS="$OPT_CFLAGS -mcpu=i486";;
i586-*) TRY_CFLAGS="$OPT_CFLAGS -mcpu=pentium";;
i686-*) TRY_CFLAGS="$OPT_CFLAGS -mcpu=pentiumpro";;
k6-*) TRY_CFLAGS="$OPT_CFLAGS -mcpu=k6";;
esac
AC_TRY_CFLAGS([$TRY_CFLAGS $CFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"]);;
ppc-* | powerpc-*)
have_altivec=no
for TRY_CFLAGS in "-mpim-altivec -force_cpusubtype_ALL" -faltivec -maltivec -fvec; do
AC_TRY_CFLAGS([$OPT_CFLAGS $TRY_CFLAGS $CFLAGS],
[save_CFLAGS="$CFLAGS"
CFLAGS="$OPT_CFLAGS $TRY_CFLAGS $CFLAGS"
AC_MSG_CHECKING([if <altivec.h> is needed])
AC_TRY_COMPILE([],
[typedef vector int t;
vec_ld(0, (unsigned char *)0);],
[have_altivec=yes; AC_MSG_RESULT(no)],
[AC_TRY_COMPILE([#include <altivec.h>],
[typedef vector int t; vec_ld(0, (unsigned char *)0);],
[AC_DEFINE([HAVE_ALTIVEC_H],,
[Define to 1 if you have the <altivec.h> header.])
have_altivec=yes; AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(unsupported)])])
CFLAGS="$save_CFLAGS"])
if test "$have_altivec" = "yes"; then
ARCH_OPT_CFLAGS="$TRY_CFLAGS"
AC_DEFINE([ARCH_PPC],,[ppc architecture])
break
fi
done;;
sparc-* | sparc64-*)
AC_DEFINE([ARCH_SPARC],,[sparc architecture])
TRY_CFLAGS="$OPT_CFLAGS -mcpu=ultrasparc -mvis"
AC_TRY_CFLAGS([$TRY_CFLAGS $CFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"]);;
alpha*)
AC_DEFINE([ARCH_ALPHA],,[alpha architecture]);;
arm*)
arm_conditional=:
AC_DEFINE([ARCH_ARM],,[ARM architecture]);;
esac
elif test x"$CC" = x"tendracc"; then
dnl TenDRA portability checking compiler
TENDRA=yes
OPT_CFLAGS="-Xp -Yansi -f`pwd`/include/tendra.h -DELIDE_CODE"
no_x=yes
enable_sdl=no
elif test x"$CC" = x"icc" -a x"`$CC -V 2>&1 | grep Intel`" != x""; then
dnl Intel C++ compiler
OPT_CFLAGS="-g -O3 -unroll -ip"
else
dnl non-gcc flags - we probably need exact configuration triplets here.
case "$host" in
sparc-sun-solaris*)
TRY_CFLAGS="$OPT_CFLAGS -xCC -fast -xO5"
AC_TRY_CFLAGS([$TRY_CFLAGS $CFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"]);;
esac
fi
AM_CONDITIONAL(ARCH_ARM, ${arm_conditional})
dnl Checks for libtool - this must be done after we set cflags
AC_LIBTOOL_WIN32_DLL
AC_PROG_LIBTOOL
dnl Checks for libraries.
dnl Checks for header files.
AM_CPPFLAGS='-I$(top_srcdir)/include -I$(top_builddir)/include'
AC_SUBST([AM_CPPFLAGS])
AC_HEADER_TIME
AC_CHECK_TYPES([struct timeval], [], [],
[#include <sys/time.h>
#include <time.h>])
AC_CHECK_GENERATE_INTTYPES([include])
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_ALWAYS_INLINE
AC_C_RESTRICT
AC_C_BUILTIN_EXPECT
AC_C_BIGENDIAN
AC_C_VOLATILE
AC_TYPE_SIZE_T
AC_TYPE_SIGNAL
AC_SYS_LARGEFILE
dnl Checks for library functions.
AC_CHECK_FUNCS([gettimeofday ftime])
case "$target" in
dnl avoid -fPIC on 32-bit x86 platforms
i?86-*|k?-*)
AC_LIBTOOL_NON_PIC([LIBMPEG2_CFLAGS="$LIBMPEG2_CFLAGS -prefer-non-pic"])
;;
esac
AC_SUBST([LIBMPEG2_CFLAGS])
dnl check for cpudetect
AC_ARG_ENABLE([accel-detect],
[ --disable-accel-detect make a version without accel detection code])
if test x"$enable_accel_detect" != x"no"; then
AC_DEFINE([ACCEL_DETECT],,[autodetect accelerations])
fi
dnl check for X11
AC_PATH_XTRA
if test x"$no_x" != x"yes"; then
dnl check for Xshm
AC_CHECK_LIB([Xext],[XShmCreateImage],
[AC_DEFINE([LIBVO_X11],,[libvo X11 support])
LIBVO_CFLAGS="$LIBVO_CFLAGS $X_CFLAGS"
LIBVO_LIBS="$LIBVO_LIBS $X_PRE_LIBS $X_LIBS $X_EXTRA_LIBS -lXext -lX11"
dnl check for Xv
AC_CHECK_LIB([Xv],[XvShmCreateImage],
[AC_DEFINE([LIBVO_XV],,[libvo Xv support])
LIBVO_LIBS="$LIBVO_LIBS -lXv"],,
[$X_PRE_LIBS $X_LIBS $X_EXTRA_LIBS -lXext -lX11])],,
[$X_PRE_LIBS $X_LIBS $X_EXTRA_LIBS -lX11])
fi
dnl check for DirectX
AC_ARG_ENABLE([directx],
[ --enable-directx=DIR use Win32 DirectX headers in DIR])
case $enable_directx in
""|yes) AC_CHECK_HEADER([ddraw.h],
[AC_DEFINE([LIBVO_DX],,[libvo DirectX support])
LIBVO_LIBS="$LIBVO_LIBS -lgdi32"]);;
no) ;;
*) if test -f "$enable_directx/ddraw.h"; then
AC_DEFINE([LIBVO_DX],,[libvo DirectX support])
LIBVO_CFLAGS="$LIBVO_CFLAGS -I$enable_directx"
LIBVO_LIBS="$LIBVO_LIBS -lgdi32"
else
AC_MSG_ERROR([Cannot find $enable_directx/ddraw.h])
fi;;
esac
dnl check for SDL
AC_ARG_ENABLE([sdl],[ --disable-sdl make a version not using SDL])
if test x"$enable_sdl" != x"no"; then
AC_CHECK_PROG([SDLCONFIG],[sdl-config],[yes])
if test x"$SDLCONFIG" = x"yes"; then
AC_DEFINE([LIBVO_SDL],,[libvo SDL support])
LIBVO_CFLAGS="$LIBVO_CFLAGS `sdl-config --cflags`"
LIBVO_LIBS="$LIBVO_LIBS `sdl-config --libs`"
fi
fi
AC_SUBST([LIBVO_CFLAGS])
AC_SUBST([LIBVO_LIBS])
AC_ARG_ENABLE([warnings],
[ --enable-warnings treat warnings as errors])
if test x"$enable_warnings" = x"yes" -a x"$GCC" = x"yes"; then
dnl compiler warnings
TRY_CFLAGS="$OPT_CFLAGS -Werror"
AC_TRY_CFLAGS([$TRY_CFLAGS $CFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"])
elif test x"$TENDRA" = x"yes"; then
dnl TenDRA portability checking compiler
OPT_CFLAGS="$OPT_CFLAGS -DTenDRA_check"
fi
MPEG2DEC_CFLAGS="$OPT_CFLAGS"
AC_ARG_ENABLE([gprof],[ --enable-gprof make a version using gprof])
if test x"$enable_gprof" = x"yes"; then
AC_DEFINE([MPEG2DEC_GPROF],,[mpeg2dec profiling])
MPEG2DEC_CFLAGS=`echo "$MPEG2DEC_CFLAGS"|sed "s/-fomit-frame-pointer//g"`
MPEG2DEC_CFLAGS="$MPEG2DEC_CFLAGS -p"
fi
AC_SUBST([MPEG2DEC_CFLAGS])
AC_C_ATTRIBUTE_ALIGNED
AC_OUTPUT
|
