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build: enable -Wjump-misses-init for GCC 4.5+

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This should have caught https://github.com/curl/curl/issues/16246.

Closes https://github.com/curl/curl/pull/16252
This commit is contained in:
Marcel Raad 2025-02-08 00:03:47 +01:00
parent d164f49520
commit db4d617c1c
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GPG Key ID: 33C416EFAE4D6F02
2 changed files with 9 additions and 2 deletions
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8
CMake/PickyWarnings.cmake
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@ -184,11 +184,17 @@ if(PICKY_COMPILER)
-Wstrict-aliasing=3 # gcc 4.0 -Wstrict-aliasing=3 # gcc 4.0
) )
endif() endif()
if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.5 AND MINGW) if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.5)
list(APPEND _picky_enable
-Wjump-misses-init # gcc 4.5
)
if(MINGW)
list(APPEND _picky_enable list(APPEND _picky_enable
-Wno-pedantic-ms-format # gcc 4.5 (MinGW-only) -Wno-pedantic-ms-format # gcc 4.5 (MinGW-only)
) )
endif() endif()
endif()
if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.8) if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.8)
list(APPEND _picky_enable list(APPEND _picky_enable
-Wdouble-promotion # clang 3.6 gcc 4.6 appleclang 6.3 -Wdouble-promotion # clang 3.6 gcc 4.6 appleclang 6.3

1
m4/curl-compilers.m4
View File

@ -1040,6 +1040,7 @@ AC_DEFUN([CURL_SET_COMPILER_WARNING_OPTS], [
# #
dnl Only gcc 4.5 or later dnl Only gcc 4.5 or later
if test "$compiler_num" -ge "405"; then if test "$compiler_num" -ge "405"; then
CURL_ADD_COMPILER_WARNINGS([tmp_CFLAGS], [jump-misses-init])
dnl Only Windows targets dnl Only Windows targets
if test "$curl_cv_native_windows" = "yes"; then if test "$curl_cv_native_windows" = "yes"; then
tmp_CFLAGS="$tmp_CFLAGS -Wno-pedantic-ms-format" tmp_CFLAGS="$tmp_CFLAGS -Wno-pedantic-ms-format"