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提交 dcd479c0 编写于 作者: M Måns Rullgård
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major cleanup of compiler/library tests 

Originally committed as revision 5439 to svn://svn.ffmpeg.org/ffmpeg/trunk
上级 bb05edcf
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Showing with 163 addition and 222 deletion
configure
浏览文件 @ dcd479c0
......@@ -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
......
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