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mjit_worker.c: pass -nostdlib when making pch as well

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[Bug #15513]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66817 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
k0kubun 2019-01-14 07:28:34 +00:00
parent b32fb23083
commit ec3cdb34ce
1 changed files with 12 additions and 4 deletions
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16
mjit_worker.c
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@ -247,6 +247,14 @@ static char *libruby_pathflag;
# define MJIT_CFLAGS_PIPE 0 # define MJIT_CFLAGS_PIPE 0
#endif #endif
// Use `-nodefaultlibs -nostdlib` for GCC where possible, which does not work on mingw and cygwin.
// This seems to improve MJIT performance on GCC.
#if defined __GNUC__ && !defined __clang__ && !defined(_WIN32) && !defined(__CYGWIN__)
# define GCC_NOSTDLIB_FLAGS "-nodefaultlibs", "-nostdlib",
#else
# define GCC_NOSTDLIB_FLAGS /* empty */
#endif
static const char *const CC_COMMON_ARGS[] = { static const char *const CC_COMMON_ARGS[] = {
MJIT_CC_COMMON MJIT_CFLAGS GCC_PIC_FLAGS MJIT_CC_COMMON MJIT_CFLAGS GCC_PIC_FLAGS
NULL NULL
@ -260,11 +268,8 @@ static const char *const CC_DLDFLAGS_ARGS[] = {
MJIT_DLDFLAGS MJIT_DLDFLAGS
#if defined __GNUC__ && !defined __clang__ #if defined __GNUC__ && !defined __clang__
"-nostartfiles", "-nostartfiles",
# if !defined(_WIN32) && !defined(__CYGWIN__)
"-nodefaultlibs", "-nostdlib",
# endif
#endif #endif
NULL GCC_NOSTDLIB_FLAGS NULL
}; };
static const char *const CC_LIBS[] = { static const char *const CC_LIBS[] = {
@ -734,6 +739,9 @@ make_pch(void)
# ifdef __clang__ # ifdef __clang__
"-emit-pch", "-emit-pch",
# endif # endif
// -nodefaultlibs is a linker flag, but it may affect cc1 behavior on Gentoo, which should NOT be changed on pch:
// https://gitweb.gentoo.org/proj/gcc-patches.git/tree/7.3.0/gentoo/13_all_default-ssp-fix.patch
GCC_NOSTDLIB_FLAGS
"-o", NULL, NULL, "-o", NULL, NULL,
NULL, NULL,
}; };