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author | Yiran Wang <yiran@google.com> | 2015-06-23 15:33:17 -0700 |
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committer | Yiran Wang <yiran@google.com> | 2015-06-29 10:56:28 -0700 |
commit | 1d9fec7937f45dde5e04cac966a2d9a12f2fc15a (patch) | |
tree | 3fbcd18a379a05fd6d43491a107e1f36bc61b185 /gcc-4.9/gcc/config/darwin-driver.c | |
parent | f378ebf14df0952eae870c9865bab8326aa8f137 (diff) | |
download | toolchain_gcc-1d9fec7937f45dde5e04cac966a2d9a12f2fc15a.zip toolchain_gcc-1d9fec7937f45dde5e04cac966a2d9a12f2fc15a.tar.gz toolchain_gcc-1d9fec7937f45dde5e04cac966a2d9a12f2fc15a.tar.bz2 |
Synchronize with google/gcc-4_9 to r224707 (from r214835)
Change-Id: I3d6f06fc613c8f8b6a82143dc44b7338483aac5d
Diffstat (limited to 'gcc-4.9/gcc/config/darwin-driver.c')
-rw-r--r-- | gcc-4.9/gcc/config/darwin-driver.c | 35 |
1 files changed, 16 insertions, 19 deletions
diff --git a/gcc-4.9/gcc/config/darwin-driver.c b/gcc-4.9/gcc/config/darwin-driver.c index 8b6ae93..541e10b 100644 --- a/gcc-4.9/gcc/config/darwin-driver.c +++ b/gcc-4.9/gcc/config/darwin-driver.c @@ -29,8 +29,8 @@ along with GCC; see the file COPYING3. If not see #include <sys/sysctl.h> #include "xregex.h" -static bool -darwin_find_version_from_kernel (char *new_flag) +static char * +darwin_find_version_from_kernel (void) { char osversion[32]; size_t osversion_len = sizeof (osversion) - 1; @@ -39,6 +39,7 @@ darwin_find_version_from_kernel (char *new_flag) char minor_vers[6]; char * version_p; char * version_pend; + char * new_flag; /* Determine the version of the running OS. If we can't, warn user, and do nothing. */ @@ -46,7 +47,7 @@ darwin_find_version_from_kernel (char *new_flag) &osversion_len, NULL, 0) == -1) { warning (0, "sysctl for kern.osversion failed: %m"); - return false; + return NULL; } /* Try to parse the first two parts of the OS version number. Warn @@ -57,8 +58,6 @@ darwin_find_version_from_kernel (char *new_flag) version_p = osversion + 1; if (ISDIGIT (*version_p)) major_vers = major_vers * 10 + (*version_p++ - '0'); - if (major_vers > 4 + 9) - goto parse_failed; if (*version_p++ != '.') goto parse_failed; version_pend = strchr(version_p, '.'); @@ -74,17 +73,16 @@ darwin_find_version_from_kernel (char *new_flag) if (major_vers - 4 <= 4) /* On 10.4 and earlier, the old linker is used which does not support three-component system versions. */ - sprintf (new_flag, "10.%d", major_vers - 4); + asprintf (&new_flag, "10.%d", major_vers - 4); else - sprintf (new_flag, "10.%d.%s", major_vers - 4, - minor_vers); + asprintf (&new_flag, "10.%d.%s", major_vers - 4, minor_vers); - return true; + return new_flag; parse_failed: warning (0, "couldn%'t understand kern.osversion %q.*s", (int) osversion_len, osversion); - return false; + return NULL; } #endif @@ -105,7 +103,7 @@ darwin_default_min_version (unsigned int *decoded_options_count, const unsigned int argc = *decoded_options_count; struct cl_decoded_option *const argv = *decoded_options; unsigned int i; - static char new_flag[sizeof ("10.0.0") + 6]; + const char *new_flag; /* If the command-line is empty, just return. */ if (argc <= 1) @@ -142,16 +140,16 @@ darwin_default_min_version (unsigned int *decoded_options_count, #ifndef CROSS_DIRECTORY_STRUCTURE - /* Try to find the version from the kernel, if we fail - we print a message - and give up. */ - if (!darwin_find_version_from_kernel (new_flag)) - return; + /* Try to find the version from the kernel, if we fail - we print a message + and give up. */ + new_flag = darwin_find_version_from_kernel (); + if (!new_flag) + return; #else - /* For cross-compilers, default to the target OS version. */ - - strncpy (new_flag, DEF_MIN_OSX_VERSION, sizeof (new_flag)); + /* For cross-compilers, default to the target OS version. */ + new_flag = DEF_MIN_OSX_VERSION; #endif /* CROSS_DIRECTORY_STRUCTURE */ @@ -165,7 +163,6 @@ darwin_default_min_version (unsigned int *decoded_options_count, memcpy (*decoded_options + 2, argv + 1, (argc - 1) * sizeof (struct cl_decoded_option)); return; - } /* Translate -filelist and -framework options in *DECODED_OPTIONS |