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Diffstat (limited to 'sim/common/aclocal.m4')
| -rw-r--r-- | sim/common/aclocal.m4 | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/sim/common/aclocal.m4 b/sim/common/aclocal.m4 index 07ae512..2f0d991 100644 --- a/sim/common/aclocal.m4 +++ b/sim/common/aclocal.m4 @@ -790,7 +790,18 @@ AC_DEFUN(SIM_AC_OPTION_WARNINGS, # NOTE: If you add to this list, remember to update # gdb/doc/gdbint.texinfo. build_warnings="-Wimplicit -Wreturn-type -Wcomment -Wtrigraphs \ --Wformat -Wparentheses -Wpointer-arith -Wuninitialized" +-Wformat -Wparentheses -Wpointer-arith" +# GCC supports -Wuninitialized only with -O or -On, n != 0. +if test x${CFLAGS+set} = xset; then + case "${CFLAGS}" in + *"-O0"* ) ;; + *"-O"* ) + build_warnings="${build_warnings} -Wuninitialized" + ;; + esac +else + build_warnings="${build_warnings} -Wuninitialized" +fi # Up for debate: -Wswitch -Wcomment -trigraphs -Wtrigraphs # -Wunused-function -Wunused-label -Wunused-variable -Wunused-value # -Wchar-subscripts -Wtraditional -Wshadow -Wcast-qual |