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patches/ffmpeg/ffmpeg-8.1-ungnuify.patch
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SFG545 aac5d72fe4 initial commit
2026-05-26 02:08:47 -05:00

150 lines
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--- a/configure
+++ b/configure
@@ -1289,12 +1289,27 @@
log test_ld "$@"
type=$1
shift 1
+ linker=$ld
+ linkerflags=$LDFLAGS
+ use_cxx_linker=false
+ test "$type" = cxx && use_cxx_linker=true
+ for opt; do
+ test "$opt" = "$cxx_linker_flag" && use_cxx_linker=true
+ done
flags=$(filter_out '-l*|*.so' $@)
libs=$(filter '-l*|*.so' $@)
+ flags=$(filter_out "$cxx_linker_flag" $flags)
+ libs=$(filter_out "$cxx_linker_flag" $libs)
test_$type $($cflags_filter $flags) || return
flags=$($ldflags_filter $flags)
libs=$($ldflags_filter $libs)
- test_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
+ if $use_cxx_linker; then
+ linker=$cxx
+ linkerflags="$CXXFLAGS $LDFLAGS"
+ test_cmd $linker $linkerflags $LDEXEFLAGS $flags $(cxx_o $TMPE) $TMPO $libs $extralibs
+ else
+ test_cmd $linker $linkerflags $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
+ fi
}
check_ld(){
@@ -1647,11 +1662,11 @@
pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
pkg_incdir=$($pkg_config --variable=includedir $pkg_config_flags $pkg)
- check_class_headers_cxx "$headers" "$classes" $pkg_cflags $pkg_libs "-lstdc++" "$@" &&
+ check_class_headers_cxx "$headers" "$classes" $pkg_cflags $pkg_libs "$cxx_linker_flag" "$@" &&
enable $name &&
set_sanitized "${name}_cflags" $pkg_cflags &&
set_sanitized "${name}_incdir" $pkg_incdir &&
- set_sanitized "${name}_extralibs" $pkg_libs "-lstdc++"
+ set_sanitized "${name}_extralibs" $pkg_libs "$cxx_linker_flag"
}
check_pkg_config(){
@@ -3531,7 +3546,7 @@
ddagrab_filter_deps="d3d11va IDXGIOutput1 DXGI_OUTDUPL_FRAME_INFO"
gfxcapture_filter_deps="cxx17 threads d3d11va IGraphicsCaptureItemInterop __x_ABI_CWindows_CGraphics_CCapture_CIGraphicsCaptureSession3"
-gfxcapture_filter_extralibs="-lstdc++"
+gfxcapture_filter_extralibs="$cxx_linker_flag"
scale_d3d11_filter_deps="d3d11va"
scale_d3d12_filter_deps="d3d12va ID3D12VideoProcessor"
deinterlace_d3d12_filter_deps="d3d12va ID3D12VideoProcessor"
@@ -3971,11 +3986,11 @@
caca_outdev_deps="libcaca"
decklink_deps_any="libdl LoadLibrary"
decklink_indev_deps="decklink threads"
-decklink_indev_extralibs="-lstdc++"
+decklink_indev_extralibs="$cxx_linker_flag"
decklink_indev_suggest="libzvbi"
decklink_outdev_deps="decklink threads"
decklink_outdev_suggest="libklvanc"
-decklink_outdev_extralibs="-lstdc++"
+decklink_outdev_extralibs="$cxx_linker_flag"
dshow_indev_deps="IBaseFilter"
dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
fbdev_indev_deps="linux_fb_h"
@@ -4464,6 +4479,9 @@
host_extralibs='-lm'
host_cflags_filter=echo
host_ldflags_filter=echo
+# Internal marker for configure tests and generated makefiles to use CXX
+# as the linker driver without hardcoding a specific C++ runtime library.
+cxx_linker_flag='--ffmpeg-cxx-linker'
target_path='$(CURDIR)'
@@ -7269,13 +7287,13 @@
require_headers "glslang/build_info.h" && { test_cpp_condition glslang/build_info.h "GLSLANG_VERSION_MAJOR >= 16" && spvremap="" ; }
check_lib spirv_library glslang/Include/glslang_c_interface.h glslang_initialize_process \
-lglslang -lMachineIndependent -lGenericCodeGen \
- ${spvremap} -lSPIRV -lSPIRV-Tools-opt -lSPIRV-Tools -lstdc++ $libm_extralibs $pthreads_extralibs ||
+ ${spvremap} -lSPIRV -lSPIRV-Tools-opt -lSPIRV-Tools $cxx_linker_flag $libm_extralibs $pthreads_extralibs ||
require spirv_library glslang/Include/glslang_c_interface.h glslang_initialize_process \
-lglslang -lMachineIndependent -lOSDependent -lHLSL -lOGLCompiler -lGenericCodeGen \
- ${spvremap} -lSPIRV -lSPIRV-Tools-opt -lSPIRV-Tools -lstdc++ $libm_extralibs $pthreads_extralibs ;
+ ${spvremap} -lSPIRV -lSPIRV-Tools-opt -lSPIRV-Tools $cxx_linker_flag $libm_extralibs $pthreads_extralibs ;
fi
enabled libgme && { check_pkg_config libgme libgme gme/gme.h gme_new_emu ||
- require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }
+ require libgme gme/gme.h gme_new_emu -lgme $cxx_linker_flag; }
enabled libgsm && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;
done || die "ERROR: libgsm not found"; }
@@ -7343,7 +7361,7 @@
enabled libopenh264 && require_pkg_config libopenh264 "openh264 >= 1.3.0" wels/codec_api.h WelsGetCodecVersion
enabled libopenjpeg && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||
{ require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }
-enabled libopenmpt && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"
+enabled libopenmpt && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create $cxx_linker_flag && append libopenmpt_extralibs "$cxx_linker_flag"
enabled libopenvino && { { check_pkg_config libopenvino openvino openvino/c/openvino.h ov_core_create && enable openvino2; } ||
{ check_pkg_config libopenvino openvino c_api/ie_c_api.h ie_c_api_version ||
require libopenvino c_api/ie_c_api.h ie_c_api_version -linference_engine_c_api; } }
@@ -7364,12 +7382,12 @@
enabled librist && require_pkg_config librist "librist >= 0.2.7" librist/librist.h rist_receiver_create
enabled librsvg && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_new_from_data
enabled librtmp && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket
-enabled librubberband && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++"
+enabled librubberband && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new $cxx_linker_flag && append librubberband_extralibs "$cxx_linker_flag"
enabled libshaderc && require_pkg_config spirv_library "shaderc >= 2019.1" shaderc/shaderc.h shaderc_compiler_initialize
enabled libshine && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer
enabled libsmbclient && { check_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||
require libsmbclient libsmbclient.h smbc_init -lsmbclient; }
-enabled libsnappy && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++
+enabled libsnappy && require libsnappy snappy-c.h snappy_compress -lsnappy $cxx_linker_flag
enabled libsoxr && require libsoxr soxr.h soxr_create -lsoxr
enabled libssh && require_pkg_config libssh "libssh >= 0.6.0" libssh/sftp.h sftp_init
enabled libspeex && require_pkg_config libspeex speex speex/speex.h speex_decoder_init
@@ -7381,7 +7399,7 @@
enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
enabled libtls && require_pkg_config libtls libtls tls.h tls_configure &&
{ enabled gpl && ! enabled nonfree && die "ERROR: LibreSSL is incompatible with the gpl"; }
-enabled libtorch && check_cxxflags -std=c++17 && require_cxx libtorch torch/torch.h "torch::Tensor" -ltorch -lc10 -ltorch_cpu -lstdc++ -lpthread
+enabled libtorch && check_cxxflags -std=c++17 && require_cxx libtorch torch/torch.h "torch::Tensor" -ltorch -lc10 -ltorch_cpu $cxx_linker_flag -lpthread
enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
{ check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
@@ -8588,6 +8606,7 @@
CC_O=$CC_O
CXX_C=$CXX_C
CXX_O=$CXX_O
+CXXLINKERFLAG=$cxx_linker_flag
GLSLC_O=$GLSLC_O
NVCC_C=$NVCC_C
NVCC_O=$NVCC_O
--- a/ffbuild/common.mak
+++ b/ffbuild/common.mak
@@ -17,7 +17,9 @@
ifeq ($(LD),$(CC))
ifneq ($(CXX),)
LDXX := $(CXX)
-LINK = $(if $(filter -lstdc++,$(1)),$(LDXX) $(filter-out -lstdc++,$(1)),$(LD) $(1))
+# Link C++-dependent targets with the C++ driver so it can select the
+# appropriate runtime library for the active toolchain.
+LINK = $(if $(filter $(CXXLINKERFLAG),$(1)),$(LDXX) $(filter-out $(CXXLINKERFLAG),$(1)),$(LD) $(1))
endif
endif
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