commit: 328509762ae5fa834d72e58858252200ed52f6a8 Author: Sergei Trofimovich <slyfox <AT> gentoo <DOT> org> AuthorDate: Fri Nov 15 12:30:08 2019 +0000 Commit: Sergei Trofimovich <slyfox <AT> gentoo <DOT> org> CommitDate: Fri Nov 15 12:31:00 2019 +0000 URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=32850976
app-emulation/dosemu: fix LTO build, bug #700126 Reported-by: Robert Gill Closes: https://bugs.gentoo.org/700126 Package-Manager: Portage-2.3.79, Repoman-2.3.18 Signed-off-by: Sergei Trofimovich <slyfox <AT> gentoo.org> .../dosemu/dosemu-1.4.1_pre20130107-r5.ebuild | 1 + .../files/dosemu-1.4.1_pre20130107-lto.patch | 27 ++++++++++++++++++++++ 2 files changed, 28 insertions(+) diff --git a/app-emulation/dosemu/dosemu-1.4.1_pre20130107-r5.ebuild b/app-emulation/dosemu/dosemu-1.4.1_pre20130107-r5.ebuild index d6de58d0a4b..f2516914456 100644 --- a/app-emulation/dosemu/dosemu-1.4.1_pre20130107-r5.ebuild +++ b/app-emulation/dosemu/dosemu-1.4.1_pre20130107-r5.ebuild @@ -54,6 +54,7 @@ PATCHES=( "${FILESDIR}"/${P}-flex-2.6.3.patch "${FILESDIR}"/${P}-ia16-ldflags.patch "${FILESDIR}"/${P}-fix-inline.patch + "${FILESDIR}"/${P}-lto.patch ) src_prepare() { 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 00000000000..730ad4e5d5f --- /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)
