diff options
Diffstat (limited to 'meta/classes/sanity.bbclass')
| -rw-r--r-- | meta/classes/sanity.bbclass | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/meta/classes/sanity.bbclass b/meta/classes/sanity.bbclass index 06e95e3562..8cdb06e185 100644 --- a/meta/classes/sanity.bbclass +++ b/meta/classes/sanity.bbclass @@ -309,6 +309,31 @@ def check_sanity_validmachine(sanity_data): return messages +# Checks if necessary to add option march to host gcc +def check_gcc_march(sanity_data): + result = False + + # Check if -march not in BUILD_CFLAGS + if sanity_data.getVar("BUILD_CFLAGS",True).find("-march") < 0: + + # Construct a test file + f = file("gcc_test.c", "w") + f.write("int main (){ __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4; return 0;}\n") + f.close() + import commands + + # Check if GCC could work without march + status,result = commands.getstatusoutput("${BUILD_PREFIX}gcc gcc_test.c -o gcc_test") + if status != 0: + # Check if GCC could work with march + status,result = commands.getstatusoutput("${BUILD_PREFIX}gcc -march=native gcc_test.c -o gcc_test") + if status == 0: + result = True + + os.remove("gcc_test.c") + os.remove("gcc_test") + + return result def check_sanity(sanity_data): import subprocess @@ -416,6 +441,10 @@ def check_sanity(sanity_data): if not check_app_exists("qemu-arm", sanity_data): messages = messages + "qemu-native was in ASSUME_PROVIDED but the QEMU binaries (qemu-arm) can't be found in PATH" + if check_gcc_march(sanity_data): + messages = messages + "Your gcc version is older than 4.5, please add the following param to local.conf\n \ + BUILD_CFLAGS_append = \" -march=native\"\n" + paths = sanity_data.getVar('PATH', True).split(":") if "." in paths or "" in paths: messages = messages + "PATH contains '.' or '' (empty element), which will break the build, please remove this.\n" |