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-rw-r--r--configure.ac6
1 files changed, 3 insertions, 3 deletions
diff --git a/configure.ac b/configure.ac
index c617cf084..e333fafa1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1196,7 +1196,7 @@ LDFLAGS="${saved_sanitize_LDFLAGS}"
AC_SUBST(AST_UNDEFINED_SANITIZER)
AC_MSG_CHECKING(for -Wdeclaration-after-statement support)
-if $(${CC} -Wdeclaration-after-statement -S -o /dev/null -xc /dev/null > /dev/null 2>&1); then
+if $(${CC} -Wdeclaration-after-statement -Werror -S -o /dev/null -xc /dev/null > /dev/null 2>&1); then
AC_MSG_RESULT(yes)
AST_DECLARATION_AFTER_STATEMENT=-Wdeclaration-after-statement
else
@@ -1236,7 +1236,7 @@ fi
AC_SUBST(AST_NO_STRICT_OVERFLOW)
AC_MSG_CHECKING(for -Wno-format-truncation)
-if $(${CC} -O2 -Wno-format-truncation -S -o /dev/null -xc /dev/null > /dev/null 2>&1); then
+if $(${CC} -Wno-format-truncation -Werror -S -o /dev/null -xc /dev/null > /dev/null 2>&1); then
AC_MSG_RESULT(yes)
AST_NO_FORMAT_TRUNCATION=-Wno-format-truncation
else
@@ -1246,7 +1246,7 @@ fi
AC_SUBST(AST_NO_FORMAT_TRUNCATION)
AC_MSG_CHECKING(for -Wshadow)
-if $(${CC} -Wshadow -S -o /dev/null -xc /dev/null > /dev/null 2>&1); then
+if $(${CC} -Wshadow -Werror -S -o /dev/null -xc /dev/null > /dev/null 2>&1); then
AC_MSG_RESULT(yes)
AST_SHADOW_WARNINGS=-Wshadow
else