From 70b76b5dc794e88aee5a758382f3ce32b679b9e4 Mon Sep 17 00:00:00 2001
From: obarun <eric@obarun.org>
Date: Mon, 2 Aug 2021 11:49:08 +1100
Subject: [PATCH] do not compile or link into /dev/null
---
configure | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/configure b/configure
index d8ca2c52..53bdfeef 100755
--- a/configure
+++ b/configure
@@ -130,7 +130,7 @@ stripdir () {
tryflag () {
echo "Checking whether compiler accepts $2 ..."
echo "typedef int x;" > "$tmpc"
- if $CC_AUTO $CPPFLAGS_AUTO $CPPFLAGS $CPPFLAGS_POST $CFLAGS_AUTO $CFLAGS $CFLAGS_POST "$2" -c -o /dev/null "$tmpc" >/dev/null 2>&1 ; then
+ if $CC_AUTO $CPPFLAGS_AUTO $CPPFLAGS $CPPFLAGS_POST $CFLAGS_AUTO $CFLAGS $CFLAGS_POST "$2" -c -o "$tmpo" "$tmpc" >/dev/null 2>&1 ; then
echo " ... yes"
eval "$1=\"\${$1} \$2\""
eval "$1=\${$1# }"
@@ -144,7 +144,7 @@ tryflag () {
tryldflag () {
echo "Checking whether linker accepts $2 ..."
echo "typedef int x;" > "$tmpc"
- if $CC_AUTO $CFLAGS_AUTO $CFLAGS $CFLAGS_POST $LDFLAGS_AUTO $LDFLAGS $LDFLAGS_POST -nostdlib "$2" -o /dev/null "$tmpc" >/dev/null 2>&1 ; then
+ if $CC_AUTO $CFLAGS_AUTO $CFLAGS $CFLAGS_POST $LDFLAGS_AUTO $LDFLAGS $LDFLAGS_POST -nostdlib "$2" -o "$tmpe" "$tmpc" >/dev/null 2>&1 ; then
echo " ... yes"
eval "$1=\"\${$1} \$2\""
eval "$1=\${$1# }"
@@ -361,13 +361,15 @@ set -C
while : ; do
i=$((i+1))
tmpc="./tmp-configure-$$-$PPID-$i.c"
+ tmpo="./tmp-configure-$$-$PPID-$i.o"
tmpe="./tmp-configure-$$-$PPID-$i.tmp"
2>|/dev/null > "$tmpc" && break
+ 2>|/dev/null > "$tmpo" && break
2>|/dev/null > "$tmpe" && break
test "$i" -gt 50 && fail "$0: cannot create temporary files"
done
set +C
-trap 'rm -f "$tmpc" "$tmpe"' EXIT ABRT INT QUIT TERM HUP
+trap 'rm -f "$tmpc" "$tmpo" "$tmpe"' EXIT ABRT INT QUIT TERM HUP
# Set slashpackage values
if $slashpackage ; then
@@ -446,7 +448,7 @@ test -n "$CC_AUTO" || { echo "$0: cannot find a C compiler" ; exit 1 ; }
echo " ... $CC_AUTO"
echo "Checking whether C compiler works... "
echo "typedef int x;" > "$tmpc"
-if $CC_AUTO $CPPFLAGS_AUTO $CPPFLAGS $CPPFLAGS_POST $CFLAGS_AUTO $CFLAGS $CFLAGS_POST -c -o /dev/null "$tmpc" 2>"$tmpe" ; then
+if $CC_AUTO $CPPFLAGS_AUTO $CPPFLAGS $CPPFLAGS_POST $CFLAGS_AUTO $CFLAGS $CFLAGS_POST -c -o "$tmpo" "$tmpc" 2>"$tmpe" ; then
echo " ... yes"
else
echo " ... no. Compiler output follows:"
@@ -487,7 +489,6 @@ tryflag CFLAGS -fomit-frame-pointer
tryflag CFLAGS_AUTO -fno-exceptions
tryflag CFLAGS_AUTO -fno-unwind-tables
tryflag CFLAGS_AUTO -fno-asynchronous-unwind-tables
-tryflag CFLAGS_AUTO -Wa,--noexecstack
tryflag CFLAGS -fno-stack-protector
tryflag CPPFLAGS_AUTO -Werror=implicit-function-declaration
tryflag CPPFLAGS_AUTO -Werror=implicit-int
@@ -497,7 +498,6 @@ tryflag CPPFLAGS_AUTO -Wno-unused-value
tryflag CPPFLAGS_AUTO -Wno-parentheses
tryflag CFLAGS_AUTO -ffunction-sections
tryflag CFLAGS_AUTO -fdata-sections
-
tryldflag LDFLAGS_AUTO -Wl,--sort-section=alignment
tryldflag LDFLAGS_AUTO -Wl,--sort-common
--
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