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authorJim Blandy <jimb@codesourcery.com>2005-03-15 23:25:59 +0000
committerJim Blandy <jimb@codesourcery.com>2005-03-15 23:25:59 +0000
commit51216631bc135875ab05fee0a078f64b823419e6 (patch)
treeeb3529fdf50e930705f0e151c2584beaf9f362a9 /sim/igen
parentca07ff34958fab15934ae3c835c04a0fb75edc93 (diff)
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sim/common/ChangeLog:
2005-02-28 Jim Blandy <jimb@redhat.com> * aclocal.m4 (SIM_AC_OPTION_WARNINGS): Don't include -Wuninitialized in the default list of build warnings if CFLAGS is set, and doesn't include -O. (Using -Wuninitialized without optimization produces a warning, which interferes with compilation with -Werror.) sim/ChangeLog: 2005-02-28 Jim Blandy <jimb@redhat.com> * d10v/configure.ac, igen/configure.ac, m68hc11/configure.ac, mips/configure.ac, mn10300/configure.ac, v850/configure.ac: Regenerated, after change to common/aclocal.m4.
Diffstat (limited to 'sim/igen')
-rwxr-xr-xsim/igen/configure13
1 files changed, 12 insertions, 1 deletions
diff --git a/sim/igen/configure b/sim/igen/configure
index 139d10b..18d3f28 100755
--- a/sim/igen/configure
+++ b/sim/igen/configure
@@ -2343,7 +2343,18 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
# NOTE: If you add to this list, remember to update
# gdb/doc/gdbint.texinfo.
build_warnings="-Wimplicit -Wreturn-type -Wcomment -Wtrigraphs \
--Wformat -Wparentheses -Wpointer-arith -Wuninitialized"
+-Wformat -Wparentheses -Wpointer-arith"
+# GCC supports -Wuninitialized only with -O or -On, n != 0.
+if test x${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