diff options
Diffstat (limited to 'meta-openembedded/meta-oe/recipes-connectivity/libmbim/libmbim/clang.patch')
| -rw-r--r-- | meta-openembedded/meta-oe/recipes-connectivity/libmbim/libmbim/clang.patch | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/meta-openembedded/meta-oe/recipes-connectivity/libmbim/libmbim/clang.patch b/meta-openembedded/meta-oe/recipes-connectivity/libmbim/libmbim/clang.patch new file mode 100644 index 000000000..92e657c00 --- /dev/null +++ b/meta-openembedded/meta-oe/recipes-connectivity/libmbim/libmbim/clang.patch @@ -0,0 +1,73 @@ +Check for clang compiler since we need to disable +unused-function warning for clang, at same time +pass werror when checking for compiler options if +werror is enabled so spurious options do not get +enabled. Only the ones that are supported by given +compiler are accepted. + +Signed-off-by: Khem Raj <raj.khem@gmail.com> +Upstream-Status: Pending + +Index: libmbim-1.14.0/m4/compiler-warnings.m4 +=================================================================== +--- libmbim-1.14.0.orig/m4/compiler-warnings.m4 ++++ libmbim-1.14.0/m4/compiler-warnings.m4 +@@ -2,10 +2,30 @@ AC_DEFUN([LIBMBIM_COMPILER_WARNINGS], + [AC_ARG_ENABLE(more-warnings, + AS_HELP_STRING([--enable-more-warnings], [Possible values: no/yes/error]), + set_more_warnings="$enableval",set_more_warnings=error) ++ ++# Clang throws a lot of warnings when it does not understand a flag. Disable ++# this warning for now so other warnings are visible. ++AC_MSG_CHECKING([if compiling with clang]) ++AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[ ++#ifndef __clang__ ++ not clang ++#endif ++ ]])], ++ [CLANG=yes], ++ [CLANG=no] ++) ++AC_MSG_RESULT([$CLANG]) ++AS_IF([test "x$CLANG" = "xyes"], [CLANG_FLAGS=-Wno-error=unused-function]) ++CFLAGS="$CFLAGS $CLANG_FLAGS" ++LDFLAGS="$LDFLAGS $CLANG_FLAGS" ++ + AC_MSG_CHECKING(for more warnings) + if test "$GCC" = "yes" -a "$set_more_warnings" != "no"; then + AC_MSG_RESULT(yes) + CFLAGS="-Wall -std=gnu89 $CFLAGS" ++ if test "x$set_more_warnings" = xerror; then ++ WERROR="-Werror" ++ fi + + for option in -Wmissing-declarations -Wmissing-prototypes \ + -Wdeclaration-after-statement -Wstrict-prototypes \ +@@ -17,22 +37,23 @@ if test "$GCC" = "yes" -a "$set_more_war + -Wmissing-include-dirs -Waggregate-return \ + -Wformat-security; do + SAVE_CFLAGS="$CFLAGS" +- CFLAGS="$CFLAGS $option" ++ CFLAGS="$CFLAGS $option $WERROR" + AC_MSG_CHECKING([whether gcc understands $option]) + AC_TRY_COMPILE([], [], + has_option=yes, + has_option=no,) + if test $has_option = no; then + CFLAGS="$SAVE_CFLAGS" ++ else ++ CFLAGS="$SAVE_CFLAGS $option" + fi + AC_MSG_RESULT($has_option) + unset has_option + unset SAVE_CFLAGS + done ++ CFLAGS="$CFLAGS $WERROR" + unset option +- if test "x$set_more_warnings" = xerror; then +- CFLAGS="$CFLAGS -Werror" +- fi ++ unset WERROR + else + AC_MSG_RESULT(no) + fi |
