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commit 005510501efcd1f4e8abae605a341c2a3d35df56 Author: Andreas Rheinhardt <[email protected]> AuthorDate: Mon Jan 5 18:54:42 2026 +0100 Commit: Andreas Rheinhardt <[email protected]> CommitDate: Fri Feb 20 11:59:37 2026 +0100 configure: Make check for accepting warnings stricter Clang by default allows unknown warnings and merely emits a Wunknown-warning-option warning which is non-fatal by default, making it appear as if Clang supported any warning. This patch rewrites the tests to always add the arguments to error out in case an unrecognized option is encountered. Signed-off-by: Andreas Rheinhardt <[email protected]> --- configure | 53 ++++++++++++++++++++++++++++++++--------------------- 1 file changed, 32 insertions(+), 21 deletions(-) diff --git a/configure b/configure index d1cba4e1a8..28d88613ab 100755 --- a/configure +++ b/configure @@ -7829,31 +7829,42 @@ for lang in c cxx objc; do append unknown_warning_${lang}flags "-Werror=unknown-warning-option" done -# add some useful compiler flags if supported -check_allcflags -Wall -check_allcflags -Wdisabled-optimization -check_allcflags -Wpointer-arith -check_allcflags -Wredundant-decls -check_allcflags -Wwrite-strings -check_allcflags -Wtype-limits -check_allcflags -Wundef -check_allcflags -Wempty-body -check_cflags -Wmissing-prototypes -check_cflags -Wstrict-prototypes - -if enabled extra_warnings; then - check_allcflags -Wcast-qual - check_allcflags -Wextra - check_allcflags -Wpedantic -fi +check_warning(){ + warning_flag=$1 + flag_to_add=${2:-$1} + test_cflags $unknown_warning_cflags $warning_flag && add_cflags $flag_to_add + test_cxxflags -Werror $unknown_warning_cxxflags $warning_flag && add_cxxflags $flag_to_add + test_objcflags $unknown_warning_objcflags $warning_flag && add_objcflags $flag_to_add +} check_disable_warning(){ warning_flag=-W${1#-Wno-} - test_cflags $unknown_warning_cflags $warning_flag && add_cflags $1 - test_cxxflags -Werror $unknown_warning_cxxflags $warning_flag && add_cxxflags $1 - test_objcflags $unknown_warning_objcflags $warning_flag && add_objcflags $1 + check_warning $warning_flag $1 +} + +check_c_warning(){ + warning_flag=$1 + test_cflags $unknown_warning_cflags $warning_flag && add_cflags $warning_flag } +# add some useful compiler flags if supported +check_warning -Wall +check_warning -Wdisabled-optimization +check_warning -Wpointer-arith +check_warning -Wredundant-decls +check_warning -Wwrite-strings +check_warning -Wtype-limits +check_warning -Wundef +check_warning -Wempty-body +check_c_warning -Wmissing-prototypes +check_c_warning -Wstrict-prototypes + +if enabled extra_warnings; then + check_warning -Wcast-qual + check_warning -Wextra + check_warning -Wpedantic +fi + check_disable_warning -Wno-parentheses check_disable_warning -Wno-switch check_disable_warning -Wno-format-zero-length @@ -7866,7 +7877,7 @@ check_disable_warning -Wno-microsoft-enum-forward-reference check_disable_warning_headers(){ warning_flag=-W${1#-Wno-} - test_cflags $warning_flag && add_cflags_headers $1 + test_cflags $unknown_warning_cflags $warning_flag && add_cflags_headers $1 } check_disable_warning_headers -Wno-deprecated-declarations _______________________________________________ ffmpeg-cvslog mailing list -- [email protected] To unsubscribe send an email to [email protected]
