From c11ce1359bacb9153798df27312a92eb795dd0e6 Mon Sep 17 00:00:00 2001 From: sirl Date: Sat, 16 Jun 2001 16:33:28 +0000 Subject: 2001-06-16 Franz Sirl * gccspec.c (lang_specific_driver): If compiling ObjC, add -shared-libgcc when necessary. * Makefile.in (gccspec.o): Compile with DRIVER_DEFINES. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@43421 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/gccspec.c | 64 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 62 insertions(+), 2 deletions(-) (limited to 'gcc/gccspec.c') diff --git a/gcc/gccspec.c b/gcc/gccspec.c index fcad38d9b52..8576ee0d603 100644 --- a/gcc/gccspec.c +++ b/gcc/gccspec.c @@ -1,5 +1,5 @@ /* Specific flags and argument handling of the C front-end. - Copyright (C) 1999 Free Software Foundation, Inc. + Copyright (C) 1999, 2001 Free Software Foundation, Inc. This file is part of GNU CC. @@ -29,7 +29,67 @@ lang_specific_driver (in_argc, in_argv, in_added_libraries) const char *const **in_argv ATTRIBUTE_UNUSED; int *in_added_libraries ATTRIBUTE_UNUSED; { - return; /* Not used for C. */ +#ifdef ENABLE_SHARED_LIBGCC + int i; + + /* The new argument list will be contained in this. */ + const char **arglist; + + /* True if we should add -shared-libgcc to the command-line. */ + int shared_libgcc = 0; + + /* The total number of arguments with the new stuff. */ + int argc; + + /* The argument list. */ + const char *const *argv; + + argc = *in_argc; + argv = *in_argv; + + for (i = 1; i < argc; i++) + { + if (argv[i][0] == '-') + { + if (strcmp (argv[i], "-static-libgcc") == 0 + || strcmp (argv[i], "-static") == 0) + return; + } + else + { + int len; + + /* If the filename ends in .m or .mi, we are compiling ObjC + and want to pass -shared-libgcc. */ + len = strlen (argv[i]); + if ((len > 2 && argv[i][len - 2] == '.' && argv[i][len - 1] == 'm') + || (len > 3 && argv[i][len - 3] == '.' && argv[i][len - 2] == 'm' + && argv[i][len - 1] == 'i')) + shared_libgcc = 1; + } + } + + if (shared_libgcc) + { + /* Make sure to have room for the trailing NULL argument. */ + arglist = (const char **) xmalloc ((argc+2) * sizeof (char *)); + + i = 0; + do + { + arglist[i] = argv[i]; + i++; + } + while (i < argc); + + arglist[i++] = "-shared-libgcc"; + + arglist[i] = NULL; + + *in_argc = i; + *in_argv = arglist; + } +#endif } /* Called before linking. Returns 0 on success and -1 on failure. */ -- cgit v1.2.1