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Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000..9f4831e --- /dev/null +++ b/configure.ac @@ -0,0 +1,243 @@ +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 |