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major cleanup of compiler/library tests
Originally committed as revision 5439 to svn://svn.ffmpeg.org/ffmpeg/trunktags/v0.5
Måns Rullgård
20 years ago
1 changed files with 163 additions and 222 deletions
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+163 -222configure
+ 163
- 222
configure
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| @@ -96,6 +96,83 @@ show_help(){ | |||
| exit 1 | |||
| } | |||
| save_flags(){ | |||
| (:${SAVE_CFLAGS?}) 2>/dev/null && return | |||
| SAVE_CFLAGS="$CFLAGS" | |||
| SAVE_LDFLAGS="$LDFLAGS" | |||
| SAVE_extralibs="$extralibs" | |||
| } | |||
| restore_flags(){ | |||
| CFLAGS="$SAVE_CFLAGS" | |||
| LDFLAGS="$SAVE_LDFLAGS" | |||
| extralibs="$SAVE_extralibs" | |||
| unset SAVE_CFLAGS | |||
| unset SAVE_LDFLAGS | |||
| unset SAVE_extralibs | |||
| } | |||
| temp_cflags(){ | |||
| save_flags | |||
| CFLAGS="$CFLAGS $*" | |||
| } | |||
| temp_ldflags(){ | |||
| save_flags | |||
| LDFLAGS="$LDFLAGS $*" | |||
| } | |||
| temp_extralibs(){ | |||
| save_flags | |||
| extralibs="$extralibs $*" | |||
| } | |||
| check_cc(){ | |||
| cat >$TMPC | |||
| ${cross_prefix}$cc $CFLAGS "$@" -c -o $TMPO $TMPC >/dev/null 2>&1 | |||
| } | |||
| check_ld(){ | |||
| cat >$TMPC | |||
| ${cross_prefix}$cc $CFLAGS $LDFLAGS "$@" -o $TMPE $TMPC $extralibs >/dev/null 2>&1 | |||
| } | |||
| check_cflags(){ | |||
| check_cc "$@" <<EOF && CFLAGS="$CFLAGS $*" | |||
| int x; | |||
| EOF | |||
| } | |||
| check_ldflags(){ | |||
| check_ld "$@" <<EOF && LDFLAGS="$LDFLAGS $*" | |||
| int x; | |||
| EOF | |||
| } | |||
| check_header(){ | |||
| header=$1 | |||
| shift | |||
| check_cc "$@" <<EOF | |||
| #include <$header> | |||
| int x; | |||
| EOF | |||
| } | |||
| check_func(){ | |||
| func=$1 | |||
| shift | |||
| check_ld "$@" <<EOF | |||
| extern int $func(); | |||
| int main(){ | |||
| $func(); | |||
| } | |||
| EOF | |||
| } | |||
| check_exec(){ | |||
| check_ld "$@" && (test -z "$cross_prefix" && $TMPE || true) | |||
| } | |||
| if test x"$1" = x"-h" -o x"$1" = x"--help" ; then | |||
| show_help | |||
| fi | |||
| @@ -691,20 +768,15 @@ if test "$gpl" != "yes"; then | |||
| fi | |||
| if test "$faad" != "no" -o "$faadbin" != "no"; then | |||
| cat > $TMPC << EOF | |||
| #include <faad.h> | |||
| int main( void ) { return 0; } | |||
| EOF | |||
| if $cc $CFLAGS -o $TMPE $TMPC 2> /dev/null ; then | |||
| cat > $TMPC << EOF | |||
| if check_header faad.h; then | |||
| check_cc << EOF | |||
| #include <faad.h> | |||
| #ifndef FAAD2_VERSION | |||
| ok faad1 | |||
| #endif | |||
| int main( void ) { return 0; } | |||
| EOF | |||
| if $cc $CFLAGS -o $TMPE $TMPC 2> /dev/null ; then | |||
| if test $? = 0 ; then | |||
| echo "FAAD2 is under GPL and --enable-gpl is not specified." | |||
| fail="yes" | |||
| fi | |||
| @@ -732,16 +804,12 @@ fi | |||
| # check iwmmxt support | |||
| if test $iwmmxt = "default" -a $cpu = "armv4l"; then | |||
| cat > $TMPC << EOF | |||
| iwmmxt=no | |||
| check_cc <<EOF && iwmmxt=yes | |||
| int main(void) { | |||
| __asm__ __volatile__ ("wunpckelub wr6, wr4"); | |||
| } | |||
| EOF | |||
| iwmmxt=no | |||
| if ${cross_prefix}${cc} -o $TMPO $TMPC 2> /dev/null ; then | |||
| iwmmxt=yes | |||
| fi | |||
| fi | |||
| #Darwin CC versions | |||
| @@ -855,30 +923,17 @@ if test $cpu = "powerpc"; then | |||
| fi | |||
| fi | |||
| # check if we have <altivec.h> | |||
| cat > $TMPC << EOF | |||
| #include <altivec.h> | |||
| int main( void ) { return 0; } | |||
| EOF | |||
| _altivec_h="no" | |||
| if $cc $CFLAGS -o $TMPE $TMPC 2> /dev/null ; then | |||
| _altivec_h="yes" | |||
| fi | |||
| check_header altivec.h && _altivec_h=yes || _altivec_h=no | |||
| # check if our compiler supports Motorola AltiVec C API | |||
| if test $altivec = "yes"; then | |||
| if test $_altivec_h = "yes"; then | |||
| cat > $TMPC << EOF | |||
| #include <altivec.h> | |||
| int main(void) { | |||
| vector signed int v1, v2, v3; | |||
| v1 = vec_add(v2,v3); | |||
| return 0; | |||
| } | |||
| EOF | |||
| inc_altivec_h="#include <altivec.h>" | |||
| else | |||
| cat > $TMPC << EOF | |||
| inc_altivec_h= | |||
| fi | |||
| check_cc <<EOF || altivec=no | |||
| $inc_altivec_h | |||
| int main(void) { | |||
| vector signed int v1, v2, v3; | |||
| v1 = vec_add(v2,v3); | |||
| @@ -886,8 +941,6 @@ int main(void) { | |||
| } | |||
| EOF | |||
| fi | |||
| $cc $CFLAGS -o $TMPE $TMPC 2> /dev/null || altivec="no" | |||
| fi | |||
| # mmi only available on mips | |||
| if test $mmi = "default"; then | |||
| @@ -900,13 +953,12 @@ fi | |||
| # check if our compiler supports mmi | |||
| if test $mmi = "yes"; then | |||
| cat > $TMPC << EOF | |||
| check_cc <<EOF || mmi="no" | |||
| int main(void) { | |||
| __asm__ ("lq \$2, 0(\$2)"); | |||
| return 0; | |||
| } | |||
| EOF | |||
| $cc -o $TMPE $TMPC 2> /dev/null || mmi="no" | |||
| fi | |||
| if test "$mingw32" = "yes" -o "$mingwce" = "yes"; then | |||
| @@ -946,7 +998,7 @@ if test -z "$cross_prefix" ; then | |||
| # --- | |||
| # big/little-endian test | |||
| cat > $TMPC << EOF | |||
| check_ld <<EOF | |||
| #include <inttypes.h> | |||
| int main(int argc, char ** argv){ | |||
| volatile uint32_t i=0x01234567; | |||
| @@ -954,10 +1006,10 @@ int main(int argc, char ** argv){ | |||
| } | |||
| EOF | |||
| if $cc -o $TMPE $TMPC 2>/dev/null ; then | |||
| $TMPE && bigendian="yes" | |||
| if test $? = 0 ; then | |||
| $TMPE && bigendian="yes" | |||
| else | |||
| echo big/little test failed | |||
| echo big/little test failed | |||
| fi | |||
| else | |||
| @@ -971,18 +1023,11 @@ fi | |||
| # --- | |||
| # *inttypes.h* test | |||
| cat > $TMPC << EOF | |||
| #include <inttypes.h> | |||
| int main(int argc, char ** argv){ | |||
| return 0; | |||
| } | |||
| EOF | |||
| $cc -o $TMPE $TMPC 2>/dev/null || inttypes="no" | |||
| check_header inttypes.h || inttypes=no | |||
| # --- | |||
| # *int_fast* test | |||
| cat > $TMPC << EOF | |||
| check_cc <<EOF || emu_fast_int=yes | |||
| #include <inttypes.h> | |||
| int main(int argc, char ** argv){ | |||
| volatile uint_fast64_t i=0x01234567; | |||
| @@ -990,32 +1035,15 @@ int main(int argc, char ** argv){ | |||
| } | |||
| EOF | |||
| $cc -o $TMPE $TMPC 2>/dev/null || emu_fast_int="yes" | |||
| # --- | |||
| # check availability of some header files | |||
| cat > $TMPC << EOF | |||
| #include <malloc.h> | |||
| int main( void ) { return 0; } | |||
| EOF | |||
| _memalign=no | |||
| _malloc_h=no | |||
| if $cc -o $TMPE $TMPC 2> /dev/null ; then | |||
| _malloc_h=yes | |||
| _memalign=yes | |||
| # check for memalign - atmos | |||
| cat > $TMPC << EOF | |||
| #include <stdio.h> | |||
| #include <malloc.h> | |||
| int main ( void ) { | |||
| char *string = NULL; | |||
| string = memalign(64, sizeof(char)); | |||
| return 0; | |||
| } | |||
| EOF | |||
| $cc -o $TMPE $TMPC 2> /dev/null || _memalign=no | |||
| if check_header malloc.h; then | |||
| _malloc_h=yes | |||
| _memalign=yes | |||
| check_func memalign || _memalign="no" | |||
| fi | |||
| if test "$_memalign" = "no" -a "$mmx" = "yes" -a "$memalignhack" != "yes"; then | |||
| @@ -1023,81 +1051,50 @@ if test "$_memalign" = "no" -a "$mmx" = "yes" -a "$memalignhack" != "yes"; then | |||
| exit 1 | |||
| fi | |||
| cat > $TMPC << EOF | |||
| #include <time.h> | |||
| int main( void ) { localtime_r(NULL, NULL); } | |||
| EOF | |||
| localtime_r=no | |||
| if $cc -o $TMPE $TMPC 2> /dev/null ; then | |||
| localtime_r=yes | |||
| fi | |||
| check_func localtime_r && localtime_r=yes || localtime_r=no | |||
| if test "$zlib" = "yes"; then | |||
| # check for zlib - mmu_man | |||
| cat > $TMPC << EOF | |||
| #include <zlib.h> | |||
| int main ( void ) { | |||
| if (zlibVersion() != ZLIB_VERSION) | |||
| puts("zlib version differs !!!"); | |||
| return 1; | |||
| return 0; | |||
| } | |||
| EOF | |||
| $cc $CFLAGS $LDFLAGS -o $TMPE $TMPC -lz 2> /dev/null || zlib="no" | |||
| # $TMPE 2> /dev/null > /dev/null || zlib="no" | |||
| # XXX: more tests needed - runtime test | |||
| temp_extralibs -lz | |||
| check_header zlib.h && check_func zlibVersion || zlib="no" | |||
| # XXX: more tests needed - runtime test | |||
| restore_flags | |||
| fi | |||
| if test "$zlib" = "yes"; then | |||
| extralibs="$extralibs -lz" | |||
| extralibs="$extralibs -lz" | |||
| fi | |||
| if test "$lzo" = "yes" -a "$gpl" = "yes"; then | |||
| # check for liblzo | |||
| cat > $TMPC << EOF | |||
| #include <lzo1x.h> | |||
| int main ( void ) { | |||
| lzo_init(); | |||
| return 0; | |||
| } | |||
| EOF | |||
| $cc $CFLAGS $LDFLAGS -o $TMPE $TMPC -llzo 2> /dev/null || lzo="no" | |||
| temp_extralibs -llzo | |||
| check_header lzo1x.h && check_func lzo_version || lzo="no" | |||
| restore_flags | |||
| else | |||
| lzo="no" | |||
| lzo="no" | |||
| fi | |||
| if test "$lzo" = "yes"; then | |||
| extralibs="$extralibs -llzo" | |||
| extralibs="$extralibs -llzo" | |||
| fi | |||
| # test for lrintf in math.h | |||
| cat > $TMPC << EOF | |||
| check_exec <<EOF && have_lrintf=yes || have_lrintf=no | |||
| #define _ISOC9X_SOURCE 1 | |||
| #include <math.h> | |||
| int main( void ) { return (lrintf(3.999f) > 0)?0:1; } | |||
| EOF | |||
| have_lrintf="no" | |||
| if $cc $CFLAGS $LDFLAGS -o $TMPE $TMPC $extralibs 2> /dev/null ; then | |||
| have_lrintf="yes" | |||
| # allanc@chickenandporn.com: cannot execute cross-compiled | |||
| # code on the host. Only execute if not cross-compiling. | |||
| if test -z "$cross_prefix" ; then | |||
| $TMPE 2> /dev/null > /dev/null || have_lrintf="no" | |||
| fi | |||
| fi | |||
| _restrict= | |||
| for restrict_keyword in restrict __restrict__ __restrict; do | |||
| echo "void foo(char * $restrict_keyword p);" > $TMPC | |||
| if $cc -c -o $TMPO $TMPC 2> /dev/null; then | |||
| _restrict=$restrict_keyword | |||
| break; | |||
| fi | |||
| check_cc <<EOF | |||
| void foo(char * $restrict_keyword p); | |||
| EOF | |||
| if test $? = 0; then | |||
| _restrict=$restrict_keyword | |||
| break; | |||
| fi | |||
| done | |||
| # test gcc version to see if vector builtins can be used | |||
| # currently only used on i386 for MMX builtins | |||
| cat > $TMPC << EOF | |||
| check_cc -msse <<EOF && builtin_vector=yes || builtin_vector=no | |||
| #include <xmmintrin.h> | |||
| int main(void) { | |||
| #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2) | |||
| @@ -1108,13 +1105,9 @@ return 0; | |||
| } | |||
| EOF | |||
| builtin_vector=no | |||
| if $cc -msse -o $TMPO $TMPC 2> /dev/null ; then | |||
| builtin_vector=yes | |||
| fi | |||
| # test for mm3dnow.h | |||
| cat > $TMPC << EOF | |||
| test "$cpu" = "x86_64" && march=k8 || march=athlon | |||
| check_cc -march=$march <<EOF && mm3dnow=yes || mm3dnow=no | |||
| #include <mm3dnow.h> | |||
| int main(void) { | |||
| __m64 b1; | |||
| @@ -1124,57 +1117,22 @@ return 0; | |||
| } | |||
| EOF | |||
| mm3dnow=no | |||
| march=athlon | |||
| if test "$cpu" = "x86_64"; then | |||
| march=k8 | |||
| fi | |||
| if $cc -march=$march -o $TMPO $TMPC 2> /dev/null ; then | |||
| mm3dnow=yes | |||
| fi | |||
| # Probe for -Wdeclaration-after-statement | |||
| if test "$cc" = "gcc"; then | |||
| cat > $TMPC << EOF | |||
| int main( void ) { return 0; } | |||
| EOF | |||
| if $cc -Wdeclaration-after-statement -Werror -o $TMPE $TMPC 2> /dev/null ; then | |||
| CFLAGS="$CFLAGS -Wdeclaration-after-statement" | |||
| fi | |||
| fi | |||
| check_cflags -Wdeclaration-after-statement | |||
| # dlopen/dlfcn.h probing | |||
| cat > $TMPC << EOF | |||
| #include <dlfcn.h> | |||
| int main( void ) { return (int) dlopen("foo", 0); } | |||
| EOF | |||
| ldl=-ldl | |||
| check_header dlfcn.h && dlfcn=yes | |||
| if $cc $CFLAGS $LDFLAGS -o $TMPE $TMPC -ldl > /dev/null 2>&1 ; then | |||
| dlfcn=yes | |||
| dlopen=yes | |||
| temp_extralibs -ldl | |||
| if check_func dlopen; then | |||
| dlopen=yes | |||
| ldl=-ldl | |||
| fi | |||
| restore_flags | |||
| if $cc $CFLAGS $LDFLAGS -o $TMPE $TMPC > /dev/null 2>&1 ; then | |||
| dlfcn=yes | |||
| dlopen=yes | |||
| ldl="" | |||
| fi | |||
| cat > $TMPC << EOF | |||
| int main( void ) { return (int) dlopen("foo", 0); } | |||
| EOF | |||
| if $cc $CFLAGS $LDFLAGS -o $TMPE $TMPC -ldl > /dev/null 2>&1 ; then | |||
| dlopen=yes | |||
| fi | |||
| if $cc $CFLAGS $LDFLAGS -o $TMPE $TMPC > /dev/null 2>&1 ; then | |||
| dlopen=yes | |||
| ldl="" | |||
| if check_func dlopen; then | |||
| dlopen=yes | |||
| ldl= | |||
| fi | |||
| if test "$vhook" = "default" ; then | |||
| @@ -1189,55 +1147,53 @@ fi | |||
| ########################################## | |||
| # imlib check | |||
| cat > $TMPC << EOF | |||
| temp_extralibs -lImlib2 | |||
| check_ld <<EOF && imlib2=yes || imlib2=no | |||
| #include <X11/Xlib.h> | |||
| #include <Imlib2.h> | |||
| int main( void ) { return (int) imlib_load_font("foo"); } | |||
| EOF | |||
| imlib2=no | |||
| if $cc $CFLAGS $LDFLAGS -o $TMPE $TMPC -lImlib2 -lm > /dev/null 2>&1 ; then | |||
| imlib2=yes | |||
| fi | |||
| restore_flags | |||
| ########################################## | |||
| # FreeType check | |||
| cat > $TMPC << EOF | |||
| #include <ft2build.h> | |||
| int main( void ) { return (int) FT_Init_FreeType(0); } | |||
| EOF | |||
| freetype2=no | |||
| if test "x$targetos" != "xBeOS"; then | |||
| if (freetype-config --version) >/dev/null 2>&1 ; then | |||
| if $cc -o $TMPE $TMPC `freetype-config --cflags` `freetype-config --libs` > /dev/null 2>&1 ; then | |||
| freetype2=yes | |||
| fi | |||
| temp_cflags `freetype-config --cflags` | |||
| temp_extralibs `freetype-config --libs` | |||
| check_ld <<EOF && freetype2=yes | |||
| #include <ft2build.h> | |||
| int main( void ) { return (int) FT_Init_FreeType(0); } | |||
| EOF | |||
| restore_flags | |||
| fi | |||
| fi | |||
| ########################################## | |||
| # SDL check | |||
| cat > $TMPC << EOF | |||
| #include <SDL.h> | |||
| #undef main /* We don't want SDL to override our main() */ | |||
| int main( void ) { return SDL_Init (SDL_INIT_VIDEO); } | |||
| EOF | |||
| sdl_too_old=no | |||
| sdl=no | |||
| SDL_CONFIG="${cross_prefix}sdl-config" | |||
| if ("${SDL_CONFIG}" --version) >/dev/null 2>&1 ; then | |||
| if $cc -o $TMPE `"${SDL_CONFIG}" --cflags` $TMPC `"${SDL_CONFIG}" --libs` > /dev/null 2>&1 ; then | |||
| _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'` | |||
| if test "$_sdlversion" -lt 121 ; then | |||
| sdl_too_old=yes | |||
| else | |||
| sdl=yes | |||
| fi | |||
| fi | |||
| temp_cflags `"${SDL_CONFIG}" --cflags` | |||
| temp_extralibs `"${SDL_CONFIG}" --libs` | |||
| check_ld <<EOF | |||
| #include <SDL.h> | |||
| #undef main /* We don't want SDL to override our main() */ | |||
| int main( void ) { return SDL_Init (SDL_INIT_VIDEO); } | |||
| EOF | |||
| restore_flags | |||
| if test $? = 0; then | |||
| _sdlversion=`"${SDL_CONFIG}" --version | sed 's/[^0-9]//g'` | |||
| if test "$_sdlversion" -lt 121 ; then | |||
| sdl_too_old=yes | |||
| else | |||
| sdl=yes | |||
| fi | |||
| fi | |||
| fi | |||
| ########################################## | |||
| @@ -1248,11 +1204,10 @@ if (texi2html -version) >/dev/null 2>&1; then | |||
| texi2html=yes | |||
| fi | |||
| if test "$network" = "yes" ; then | |||
| ########################################## | |||
| # IPv6 check | |||
| cat > $TMPC << EOF | |||
| test "$network" = "yes" && check_ld <<EOF && ipv6=yes || ipv6=no | |||
| #include <sys/types.h> | |||
| #include <sys/socket.h> | |||
| #include <netinet/in.h> | |||
| @@ -1266,43 +1221,29 @@ int main( void ) { | |||
| } | |||
| EOF | |||
| ipv6=no | |||
| if $cc -o $TMPE $TMPC > /dev/null 2>&1 ; then | |||
| ipv6=yes | |||
| fi | |||
| fi | |||
| if test "$v4l2" = "yes"; then | |||
| # check for video4linux2 --- V4L2_PIX_FMT_YUV420 | |||
| cat > $TMPC << EOF | |||
| test "$v4l2" = "yes" && check_cc <<EOF || v4l2="no" | |||
| #include <sys/time.h> | |||
| #include <asm/types.h> | |||
| #include <linux/videodev2.h> | |||
| int dummy = V4L2_PIX_FMT_YUV420; | |||
| struct v4l2_buffer dummy1; | |||
| EOF | |||
| $cc -c -o $TMPE $TMPC 2> /dev/null || v4l2="no" | |||
| fi | |||
| case "`$cc -v 2>&1 | grep version`" in | |||
| *gcc*) | |||
| CFLAGS="-Wall -Wno-switch $CFLAGS" | |||
| ;; | |||
| *) | |||
| ;; | |||
| esac | |||
| check_cflags -Wall | |||
| check_cflags -Wno-switch | |||
| if test "$sdl" = "no" ; then | |||
| ffplay=no | |||
| fi | |||
| if test "$debug" = "yes"; then | |||
| CFLAGS="-g $CFLAGS" | |||
| CFLAGS="-g $CFLAGS" | |||
| fi | |||
| if test "$optimize" = "small"; then | |||
| # CFLAGS=${CFLAGS//-O3/-Os} | |||
| CFLAGS="$CFLAGS -Os" | |||
| CFLAGS="$CFLAGS -Os" | |||
| fi | |||
| if test "$optimize" = "yes"; then | |||