From: Taylor R Campbell <campbell@mumble.net>
Date: Thu, 8 Nov 2018 17:09:47 +0000 (+0000)
Subject: Disable -Wstringop-truncation.
X-Git-Tag: mit-scheme-pucked-10.1.2~16^2~116^2~3
X-Git-Url: https://birchwood-abbey.net/git?a=commitdiff_plain;h=facd05570f9d26fd859580e40a3f2eb12987f5ba;p=mit-scheme.git

Disable -Wstringop-truncation.

We use strncpy in very limited ways, one of which is for struct
sockaddr_un, for which strncpy truncation is correct.
---

diff --git a/src/microcode/configure.ac b/src/microcode/configure.ac
index 77ed4747d..1c4babf26 100644
--- a/src/microcode/configure.ac
+++ b/src/microcode/configure.ac
@@ -231,6 +231,8 @@ if test ${GCC} = yes; then
 	-Wuninitialized \
 	-Wunreachable-code \
 	-Wwrite-strings \
+	\
+	-Wno-error=stringop-truncation \
 	; do
 	AC_MSG_CHECKING([for compiler warning $flag])
 	SAVED_CFLAGS="$CFLAGS"
@@ -243,6 +245,8 @@ if test ${GCC} = yes; then
 
     # other possibilities:
     # -Wmissing-prototypes (requires prototypes for DEFINE_PRIMITIVE)
+    # -Wstringop-truncation (requires it to not whine about correct use
+    #  of strncpy for buffers that are _not_ null-terminated)
 fi
 FOO=`${INSTALL} --help 2> /dev/null | ${FGREP} -e --preserve-timestamps`
 if test "x${FOO}" != x; then