Added a new header file: SDL_loadso.h
It contains the following functions: SDL_LoadObject(), SDL_LoadFunction(), SDL_UnloadObject() The UNIX esd and arts audio code use these to dynamically load their respective audio libraries. --HG-- extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%40295
This commit is contained in:
Sam Lantinga
parent
89f7ace3fc
commit
b7e54037ed
13 changed files with 516 additions and 24 deletions
74
configure.in
74
configure.in
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@ -324,12 +324,26 @@ CheckESD()
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[ --enable-esd support the Enlightened Sound Daemon [default=yes]],
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, enable_esd=yes)
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if test x$enable_audio = xyes -a x$enable_esd = xyes; then
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AM_PATH_ESD(0.2.8, [
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CFLAGS="$CFLAGS -DESD_SUPPORT $ESD_CFLAGS"
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SYSTEM_LIBS="$SYSTEM_LIBS $ESD_LIBS"
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use_esd=no
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AM_PATH_ESD(0.2.8, use_esd=yes)
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if test x$use_esd = xyes; then
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AC_ARG_ENABLE(esd-shared,
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[ --enable-esd-shared dynamically load ESD support [default=yes]],
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, enable_esd_shared=yes)
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esd_lib_spec=`echo $ESD_LIBS | sed 's/.*-L\([[^ ]]*\).*/\1\/libesd.so.*/'`
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esd_lib=`ls $esd_lib_spec | head -1 | sed 's/.*\/\(.*\)/\1/'`
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echo "-- $esd_lib_spec -> $esd_lib"
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if test x$enable_dlopen = xyes && \
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test x$enable_esd_shared = xyes && test x$esd_lib != x; then
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CFLAGS="$CFLAGS -DESD_SUPPORT -DESD_DYNAMIC=\$(esd_lib) $ESD_CFLAGS"
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AC_SUBST(esd_lib)
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else
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CFLAGS="$CFLAGS -DESD_SUPPORT $ESD_CFLAGS"
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SYSTEM_LIBS="$SYSTEM_LIBS $ESD_LIBS"
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fi
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AUDIO_SUBDIRS="$AUDIO_SUBDIRS esd"
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AUDIO_DRIVERS="$AUDIO_DRIVERS esd/libaudio_esd.la"
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])
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fi
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fi
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}
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@ -359,8 +373,20 @@ CheckARTSC()
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CFLAGS="$save_CFLAGS"
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AC_MSG_RESULT($audio_arts)
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if test x$audio_arts = xyes; then
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CFLAGS="$CFLAGS -DARTSC_SUPPORT $ARTSC_CFLAGS"
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SYSTEM_LIBS="$SYSTEM_LIBS $ARTSC_LIBS"
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AC_ARG_ENABLE(arts-shared,
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[ --enable-arts-shared dynamically load ESD support [default=yes]],
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, enable_arts_shared=yes)
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arts_lib_spec=`echo $ARTSC_LIBS | sed 's/.*-L\([[^ ]]*\).*/\1\/libarts.so.*/'`
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arts_lib=`ls $arts_lib_spec | head -1 | sed 's/.*\/\(.*\)/\1/'`
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echo "-- $arts_lib_spec -> $arts_lib"
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if test x$enable_dlopen = xyes && \
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test x$enable_arts_shared = xyes && test x$arts_lib != x; then
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CFLAGS="$CFLAGS -DARTSC_SUPPORT -DARTSC_DYNAMIC=\$(arts_lib) $ARTSC_CFLAGS"
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AC_SUBST(arts_lib)
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else
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CFLAGS="$CFLAGS -DARTSC_SUPPORT $ARTSC_CFLAGS"
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SYSTEM_LIBS="$SYSTEM_LIBS $ARTSC_LIBS"
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fi
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AUDIO_SUBDIRS="$AUDIO_SUBDIRS arts"
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AUDIO_DRIVERS="$AUDIO_DRIVERS arts/libaudio_arts.la"
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fi
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@ -1353,11 +1379,36 @@ CheckQUARTZ()
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VIDEO_DRIVERS="$VIDEO_DRIVERS quartz/libvideo_quartz.la"
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}
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dnl Check for the dlfcn.h interface for dynamically loading objects
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CheckDLOPEN()
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{
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AC_ARG_ENABLE(dlopen,
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[ --enable-dlopen use dlopen for shared object loading [default=yes]],
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, enable_dlopen=yes)
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if test x$enable_dlopen = xyes; then
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AC_MSG_CHECKING(for dlopen)
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use_dlopen=no
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AC_TRY_COMPILE([
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#include <dlfcn.h>
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],[
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],[
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use_dlopen=yes
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])
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AC_MSG_RESULT($use_dlopen)
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if test x$use_dlopen = xyes; then
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CFLAGS="$CFLAGS -DUSE_DLOPEN"
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SYSTEM_LIBS="$SYSTEM_LIBS -ldl"
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fi
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fi
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}
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case "$target" in
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*-*-linux*)
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ARCH=linux
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CheckDummyVideo
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CheckDiskAudio
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CheckDLOPEN
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CheckNASM
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CheckOSS
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CheckALSA
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@ -1429,6 +1480,7 @@ case "$target" in
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ARCH=bsdi
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CheckDummyVideo
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CheckDiskAudio
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CheckDLOPEN
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CheckNASM
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CheckOSS
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CheckARTSC
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@ -1480,6 +1532,7 @@ case "$target" in
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ARCH=freebsd
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CheckDummyVideo
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CheckDiskAudio
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CheckDLOPEN
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CheckVGL
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CheckNASM
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CheckOSS
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@ -1535,6 +1588,7 @@ case "$target" in
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ARCH=netbsd
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CheckDummyVideo
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CheckDiskAudio
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CheckDLOPEN
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CheckNASM
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CheckOSS
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CheckARTSC
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@ -1588,6 +1642,7 @@ case "$target" in
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ARCH=openbsd
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CheckDummyVideo
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CheckDiskAudio
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CheckDLOPEN
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CheckOPENBSDAUDIO
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CheckNASM
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CheckOSS
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@ -1647,6 +1702,7 @@ case "$target" in
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ARCH=sysv5
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CheckDummyVideo
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CheckDiskAudio
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CheckDLOPEN
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CheckNASM
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CheckOSS
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CheckARTSC
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@ -1696,6 +1752,7 @@ case "$target" in
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CFLAGS="$CFLAGS -D__ELF__" # Fix for nasm on Solaris x86
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CheckDummyVideo
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CheckDiskAudio
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CheckDLOPEN
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CheckNASM
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CheckOSS
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CheckARTSC
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@ -1744,6 +1801,7 @@ case "$target" in
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ARCH=irix
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CheckDummyVideo
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CheckDiskAudio
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CheckDLOPEN
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CheckDMEDIA
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CheckESD
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CheckNAS
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@ -1806,6 +1864,7 @@ case "$target" in
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ARCH=hpux
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CheckDummyVideo
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CheckDiskAudio
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CheckDLOPEN
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CheckOSS
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CheckNAS
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CheckX11
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@ -1853,6 +1912,7 @@ case "$target" in
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ARCH=aix
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CheckDummyVideo
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CheckDiskAudio
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CheckDLOPEN
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CheckOSS
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CheckNAS
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CheckX11
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@ -1898,6 +1958,7 @@ case "$target" in
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ARCH=osf
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CheckDummyVideo
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CheckDiskAudio
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CheckDLOPEN
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CheckNAS
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CheckX11
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CheckGGI
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@ -1944,6 +2005,7 @@ case "$target" in
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ARCH=qnx
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CheckDummyVideo
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CheckDiskAudio
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CheckDLOPEN
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CheckNAS
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CheckPHOTON
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CheckX11
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