diff options
Diffstat (limited to 'app-emulation/dosemu/files/dosemu-1.4.1_pre20130107-lto.patch')
| -rw-r--r-- | app-emulation/dosemu/files/dosemu-1.4.1_pre20130107-lto.patch | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/app-emulation/dosemu/files/dosemu-1.4.1_pre20130107-lto.patch b/app-emulation/dosemu/files/dosemu-1.4.1_pre20130107-lto.patch new file mode 100644 index 000000000000..730ad4e5d5fd --- /dev/null +++ b/app-emulation/dosemu/files/dosemu-1.4.1_pre20130107-lto.patch @@ -0,0 +1,27 @@ +'asmlinkage' macros are supposed to make symbol available +for calling from inline (or not) assembly. + +'static' keyword is not compatible to it and breaks -flto +when gcc's LTO partitioner separates assembly definitions +from C definitions. This causes symbol resolution failures: + + ld: /tmp/dosemu.bin.h8Y59G.ltrans0.ltrans.o: in function `stub_rep__': + <artificial>:(.text+0xe): undefined reference to `rep_movs_stos' + +The changes turns 'asmlinkage' into exported symbol. + +https://bugs.gentoo.org/700126 +--- a/src/emu-i386/simx86/cpatch.c ++++ b/src/emu-i386/simx86/cpatch.c +@@ -37,9 +37,9 @@ + #include "codegen-arch.h" + + #ifdef __i386__ +-#define asmlinkage static __attribute__((used)) __attribute__((cdecl)) ++#define asmlinkage __attribute__((used)) __attribute__((cdecl)) + #else +-#define asmlinkage static __attribute__((used)) ++#define asmlinkage __attribute__((used)) + #endif + + int s_munprotect(unsigned int addr) |