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

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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2 changed files with 9 additions and 2 deletions

View File

@ -184,10 +184,16 @@ if(PICKY_COMPILER)
-Wstrict-aliasing=3 # gcc 4.0
)
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
-Wno-pedantic-ms-format # gcc 4.5 (MinGW-only)
-Wjump-misses-init # gcc 4.5
)
if(MINGW)
list(APPEND _picky_enable
-Wno-pedantic-ms-format # gcc 4.5 (MinGW-only)
)
endif()
endif()
if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.8)
list(APPEND _picky_enable

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