From f3295cf168eeabdc7ac1e8c0e741fdf45539faf8 Mon Sep 17 00:00:00 2001 From: Omar Vega Ramos Date: Sun, 7 Jun 2015 23:53:30 -0500 Subject: opencv: add new package to [libre] -> https://labs.parabola.nu/issues/735 --- libre/opencv/x86_asmfix.patch | 46 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 libre/opencv/x86_asmfix.patch (limited to 'libre/opencv/x86_asmfix.patch') diff --git a/libre/opencv/x86_asmfix.patch b/libre/opencv/x86_asmfix.patch new file mode 100644 index 000000000..789f65f9c --- /dev/null +++ b/libre/opencv/x86_asmfix.patch @@ -0,0 +1,46 @@ +From ea50be0529c248961e1b66293f8a9e4b807294a6 Mon Sep 17 00:00:00 2001 +From: Samuel Martin +Date: Sun, 12 Oct 2014 10:17:23 +0200 +Subject: [PATCH] core: fix x86 PIC code compilation + +This bug was triggered by Buildroot autobuilders [1,2], causing this +kind of failures [3,4]: + + [ 14%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/system.cpp.o + /home/test/autobuild/instance-0/output/build/opencv-2.4.10/modules/core/src/system.cpp: In function '(static initializers for /home/test/autobuild/instance-0/output/build/opencv-2.4.10/modules/core/src/system.cpp)': + /home/test/autobuild/instance-0/output/build/opencv-2.4.10/modules/core/src/system.cpp:280:10: error: inconsistent operand constraints in an 'asm' + make[3]: *** [modules/core/CMakeFiles/opencv_core.dir/src/system.cpp.o] Error 1 + +[1] http://buildroot.org/ +[2] http://autobuild.buildroot.org/ +[3] http://autobuild.buildroot.org/?reason=opencv-2.4.10 +[4] http://autobuild.buildroot.org/results/483/4838285b25d6293a5cf0bb9eadd5040a7c75d766/build-end.log + +Signed-off-by: Samuel Martin +--- + modules/core/src/system.cpp | 5 ++++- + 1 file changed, 4 insertions(+), 1 deletion(-) + +diff --git a/modules/core/src/system.cpp b/modules/core/src/system.cpp +index 5a970d5..e9ffdc7 100644 +--- a/modules/core/src/system.cpp ++++ b/modules/core/src/system.cpp +@@ -267,14 +267,17 @@ struct HWFeatures + : "cc" + ); + #else ++ // We need to preserve ebx since we are compiling PIC code. ++ // This means we cannot use "=b" for the 2nd output register. + asm volatile + ( + "pushl %%ebx\n\t" + "movl $7,%%eax\n\t" + "movl $0,%%ecx\n\t" + "cpuid\n\t" ++ "movl %%ebx,%1\n\t" + "popl %%ebx\n\t" +- : "=a"(cpuid_data[0]), "=b"(cpuid_data[1]), "=c"(cpuid_data[2]), "=d"(cpuid_data[3]) ++ : "=a"(cpuid_data[0]), "=r"(cpuid_data[1]), "=c"(cpuid_data[2]), "=d"(cpuid_data[3]) + : + : "cc" + ); -- cgit v1.2.3-54-g00ecf