From: Martin Jansa Date: Tue, 22 Jul 2025 11:16:34 +0000 (+0200) Subject: db: ignore implicit-int and implicit-function-declaration issues fatal with gcc-14 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=277b5ec3c0212ca8600dd89d0a33f784a060131f;p=thirdparty%2Fopenembedded%2Fopenembedded-core-contrib.git db: ignore implicit-int and implicit-function-declaration issues fatal with gcc-14 * many configure tests (which might not fail before) are failing with gcc-14: # grep implicit build/config.log conftest.c:47:1: error: return type defaults to 'int' [-Wimplicit-int] conftest.c:47:1: error: return type defaults to 'int' [-Wimplicit-int] conftest.c:47:1: error: return type defaults to 'int' [-Wimplicit-int] conftest.c:47:1: error: return type defaults to 'int' [-Wimplicit-int] conftest.c:47:1: error: return type defaults to 'int' [-Wimplicit-int] conftest.c:47:1: error: return type defaults to 'int' [-Wimplicit-int] conftest.c:50:17: error: implicit declaration of function 'exit' [-Wimplicit-function-declaration] conftest.c:50:17: warning: incompatible implicit declaration of built-in function 'exit' [-Wbuiltin-declaration-mismatch] conftest.c:53:9: error: implicit declaration of function 'msem_init' [-Wimplicit-function-declaration] conftest.c:54:9: error: implicit declaration of function 'msem_lock' [-Wimplicit-function-declaration] conftest.c:55:9: error: implicit declaration of function 'msem_unlock' [-Wimplicit-function-declaration] conftest.c:56:9: error: implicit declaration of function 'exit' [-Wimplicit-function-declaration] conftest.c:56:9: warning: incompatible implicit declaration of built-in function 'exit' [-Wbuiltin-declaration-mismatch] conftest.c:50:9: error: implicit declaration of function '_spin_lock_try' [-Wimplicit-function-declaration] conftest.c:51:9: error: implicit declaration of function '_spin_unlock' [-Wimplicit-function-declaration] * I have noticed this on db-native build on host with gcc-14 where it caused fatal do_configure error: http://errors.yoctoproject.org/Errors/Details/784164/ checking for mutexes... UNIX/fcntl configure: error: Support for FCNTL mutexes was removed in BDB 4.8. the config.log confirms it's because implicit-int: configure:22798: checking for mutexes configure:22925: gcc -o conftest -isystem/OE/build/oe-core/tmp-glibc/work/x86_64-linux/db-native/5.3.28/recipe-sysroot-native/usr/include -O2 -pipe -isystem/OE/build/oe-core/tmp-glibc/work/x86_64-linux/db-native/5.3.28/recipe-sysroot-native/usr/include -D_GNU_SOURCE -D_REENTRANT -L/OE/build/oe-core/tmp-glibc/work/x86_64-linux/db-native/5.3.28/recipe-sysroot-native/usr/lib -L/OE/build/oe-core/tmp-glibc/work/x86_64-linux/db-native/5.3.28/recipe-sysroot-native/lib -Wl,--enable-new-dtags -Wl,-rpath-link,/OE/build/oe-core/tmp-glibc/work/x86_64-linux/db-native/5.3.28/recipe-sysroot-native/usr/lib -Wl,-rpath-link,/OE/build/oe-core/tmp-glibc/work/x86_64-linux/db-native/5.3.28/recipe-sysroot-native/lib -Wl,-rpath,/OE/build/oe-core/tmp-glibc/work/x86_64-linux/db-native/5.3.28/recipe-sysroot-native/usr/lib -Wl,-rpath,/OE/build/oe-core/tmp-glibc/work/x86_64-linux/db-native/5.3.28/recipe-sysroot-native/lib -Wl,-O1 conftest.c -lpthread >&5 conftest.c:47:1: error: return type defaults to 'int' [-Wimplicit-int] 47 | main() { | ^~~~ configure:22925: $? = 1 configure: program exited with status 1 * comparing target db with and without this change shows following diff in log.do_configure: db $ diff 5.3.28*/temp/log.do_configure 268c268 < checking for mutexes... POSIX/pthreads/library --- > checking for mutexes... POSIX/pthreads/library/x86_64/gcc-assembly 271c271 < checking for atomic operations... no --- > checking for atomic operations... x86/gcc-assembly (From OE-Core rev: 4d3ce333c10fadf746b6d8b55a88777c97e11ffa) Signed-off-by: Martin Jansa Signed-off-by: Richard Purdie (cherry picked from commit 6108da955e7c553247ff5356cf1c990b3d334edf) Signed-off-by: Steve Sakoman Signed-off-by: Peter Marko Signed-off-by: Steve Sakoman --- diff --git a/meta/recipes-support/db/db_5.3.28.bb b/meta/recipes-support/db/db_5.3.28.bb index c5427f54eb0..62a91ba7e3d 100644 --- a/meta/recipes-support/db/db_5.3.28.bb +++ b/meta/recipes-support/db/db_5.3.28.bb @@ -117,3 +117,7 @@ INSANE_SKIP:${PN} = "dev-so" INSANE_SKIP:${PN}-cxx = "dev-so" BBCLASSEXTEND = "native nativesdk" + +# many configure tests are failing with gcc-14 +CFLAGS += "-Wno-error=implicit-int -Wno-error=implicit-function-declaration" +BUILD_CFLAGS += "-Wno-error=implicit-int -Wno-error=implicit-function-declaration"