Oh, because I wrestle with buildsystem anyway ... I created three x265 patches, to be put in thirdparty/src alongside x265 tarball
patch 1 basically adds empty (/bin/true) pseudo configure patch 2 adds Makefile - it will do some library copying work patch 3 adds miltilib.sh, adapted from x265's own version: --- /dev/null 2020-03-14 06:02:18.586124011 +0300 +++ ./multilib.sh 2020-03-18 00:04:59.404807407 +0300 @@ -0,0 +1,41 @@ +#!/bin/sh + +mkdir -p 8bit 10bit 12bit + +cd 12bit +cmake ../source -DHIGH_BIT_DEPTH=ON -DENABLE_ASSEMBLY=OFF -DEXPORT_C_API=OFF -DENABLE_SHARED=OFF -DENABLE_CLI=OFF -DMAIN12=ON +make -j 1 + +cd ../10bit +cmake ../source -DHIGH_BIT_DEPTH=ON -DENABLE_ASSEMBLY=OFF -DEXPORT_C_API=OFF -DENABLE_SHARED=OFF -DENABLE_CLI=OFF +make -j 1 + +cd ../8bit +ln -sf ../10bit/libx265.a libx265_main10.a +ln -sf ../12bit/libx265.a libx265_main12.a +cmake ../source -DEXTRA_LIB="x265_main10.a;x265_main12.a" -DENABLE_SHARED=OFF -DEXTRA_LINK_FLAGS=-L. -DLINKED_10BIT=ON -DLINKED_12BIT=ON +make -j 1 + +# rename the 8bit library, then combine all three into libx265.a +mv libx265.a libx265_main.a + +uname=`uname` +if [ "$uname" = "Linux" ] +then + +# On Linux, we use GNU ar to combine the static libraries together +ar -M <<EOF +CREATE libx265.a +ADDLIB libx265_main.a +ADDLIB libx265_main10.a +ADDLIB libx265_main12.a +SAVE +END +EOF + +else + +# Mac/BSD libtool +libtool -static -o libx265.a libx265_main.a libx265_main10.a libx265_main12.a 2>/dev/null + +fi Note, I disabled high-bit-depth assembly because it simply doesn't exist on x86-32! But for x86-64 you probably want it ON. Some bash arch detection needed ... After buildsystem unpacks and patches x265 sources it will try to execute ./configure ..and opps, it was not executable! So, I modified thirdparty/Makefile AGAIN, this time only x265 line: x265.cfg_vars?=chmod +x ./configure; chmod +x ./multilib.sh; after this buildsystem makes (8-10-12 bit-ready) .a library, ready to link into ffmpeg.
--- /dev/null 2020-03-14 06:02:18.586124011 +0300 +++ ./configure 2020-03-18 00:04:59.360807192 +0300 @@ -0,0 +1 @@ +/bin/true
--- /dev/null 2020-03-14 06:02:18.586124011 +0300 +++ ./Makefile 2020-03-18 00:04:59.388807329 +0300 @@ -0,0 +1,4 @@ +#$(shell cd build/linux ; ./multilib.sh) +.NOTPARALLEL: +all: + $(shell ./multilib.sh ; cp 8bit/libx265.a . ; cp 8bit/x265.pc . ; cp 8bit/x265_config.h .)
--- /dev/null 2020-03-14 06:02:18.586124011 +0300 +++ ./multilib.sh 2020-03-18 00:04:59.404807407 +0300 @@ -0,0 +1,41 @@ +#!/bin/sh + +mkdir -p 8bit 10bit 12bit + +cd 12bit +cmake ../source -DHIGH_BIT_DEPTH=ON -DENABLE_ASSEMBLY=OFF -DEXPORT_C_API=OFF -DENABLE_SHARED=OFF -DENABLE_CLI=OFF -DMAIN12=ON +make -j 1 + +cd ../10bit +cmake ../source -DHIGH_BIT_DEPTH=ON -DENABLE_ASSEMBLY=OFF -DEXPORT_C_API=OFF -DENABLE_SHARED=OFF -DENABLE_CLI=OFF +make -j 1 + +cd ../8bit +ln -sf ../10bit/libx265.a libx265_main10.a +ln -sf ../12bit/libx265.a libx265_main12.a +cmake ../source -DEXTRA_LIB="x265_main10.a;x265_main12.a" -DENABLE_SHARED=OFF -DEXTRA_LINK_FLAGS=-L. -DLINKED_10BIT=ON -DLINKED_12BIT=ON +make -j 1 + +# rename the 8bit library, then combine all three into libx265.a +mv libx265.a libx265_main.a + +uname=`uname` +if [ "$uname" = "Linux" ] +then + +# On Linux, we use GNU ar to combine the static libraries together +ar -M <<EOF +CREATE libx265.a +ADDLIB libx265_main.a +ADDLIB libx265_main10.a +ADDLIB libx265_main12.a +SAVE +END +EOF + +else + +# Mac/BSD libtool +libtool -static -o libx265.a libx265_main.a libx265_main10.a libx265_main12.a 2>/dev/null + +fi
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