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mjit_worker.c: try to simplify CC_DLDFLAGS_ARGS

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assuming that -nostartfiles is just optional for mingw, cygwin, and AIX.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66870 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
k0kubun 2019-01-19 07:35:30 +00:00
parent a5de8d1ccb
commit 405940234e
1 changed files with 5 additions and 11 deletions
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16
mjit_worker.c
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@ -247,10 +247,10 @@ static char *libruby_pathflag;
# define MJIT_CFLAGS_PIPE 0
#endif
// Use `-nodefaultlibs -nostdlib` for GCC where possible, which does not work on mingw, cygwin, AIX, and OpenBSD.
// This seems to improve MJIT performance on GCC.
// Use `-nostartfiles -nodefaultlibs -nostdlib` for GCC where possible, which does not work on mingw, cygwin, AIX, and OpenBSD.
// This seems to improve MJIT performance on GCC. TODO: Check if it works with MJIT and add it on configure.
#if defined __GNUC__ && !defined __clang__ && !defined(_WIN32) && !defined(__CYGWIN__) && !defined(_AIX) && !defined(__OpenBSD__)
# define GCC_NOSTDLIB_FLAGS "-nodefaultlibs", "-nostdlib",
# define GCC_NOSTDLIB_FLAGS "-nostartfiles", "-nodefaultlibs", "-nostdlib",
#else
# define GCC_NOSTDLIB_FLAGS /* empty */
#endif
@ -264,13 +264,7 @@ static const char *const CC_DEBUG_ARGS[] = {MJIT_DEBUGFLAGS NULL};
static const char *const CC_OPTIMIZE_ARGS[] = {MJIT_OPTFLAGS NULL};
static const char *const CC_LDSHARED_ARGS[] = {MJIT_LDSHARED GCC_PIC_FLAGS NULL};
static const char *const CC_DLDFLAGS_ARGS[] = {
MJIT_DLDFLAGS
#if defined __GNUC__ && !defined __clang__ && !defined(__OpenBSD__)
"-nostartfiles",
#endif
GCC_NOSTDLIB_FLAGS NULL
};
static const char *const CC_DLDFLAGS_ARGS[] = {MJIT_DLDFLAGS GCC_NOSTDLIB_FLAGS NULL};
static const char *const CC_LIBS[] = {
#if defined(_WIN32) || defined(__CYGWIN__)
@ -280,7 +274,7 @@ static const char *const CC_LIBS[] = {
# if defined(_WIN32)
"-lmsvcrt", // mingw
# endif
"-lgcc", // mingw, cygwin, and GCC platforms using `-nodefaultlibs -nostdlib`
"-lgcc", // all platforms using GCC
#endif
NULL
};