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https://github.com/lsof-org/lsof/pull/248
From 52f2c48790ced81aeef98807363ec94a867bbd88 Mon Sep 17 00:00:00 2001
From: Sam James <sam@gentoo.org>
Date: Mon, 12 Sep 2022 19:02:14 +0100
Subject: [PATCH] Configure: fix configure tests broken with Clang 15
(-Wimplicit-int)
Clang 15 makes -Wimplicit-int an error by default.
Before this fix, configure would think localtime() and strftime() support
was not present.
Signed-off-by: Sam James <sam@gentoo.org>
--- a/Configure
+++ b/Configure
@@ -681,7 +681,7 @@ case $LSOF_TGT in # {
rm -f ${LSOF_TMPC}.*
echo "#include <sys/systemcfg.h>" > ${LSOF_TMPC}.c
- echo 'main(){ if (__KERNEL_32()) printf("32\\n");' >> ${LSOF_TMPC}.c
+ echo 'int main(){ if (__KERNEL_32()) printf("32\\n");' >> ${LSOF_TMPC}.c
echo 'else if (__KERNEL_64()) printf("64\\n");' >> ${LSOF_TMPC}.c
echo 'else printf("0\\n");' >> ${LSOF_TMPC}.c
echo "return(0); }" >> ${LSOF_TMPC}.c
@@ -778,7 +778,7 @@ case $LSOF_TGT in # {
rm -f ${LSOF_TMPC}.*
echo "#include <stddef.h>" > ${LSOF_TMPC}.c
echo "#include <sys/user.h>" >> ${LSOF_TMPC}.c
- echo "main(){exit((offsetof(struct user, U_irss) & 0x7) ? 1 : 0);}" >>${LSOF_TMPC}.c
+ echo "int main(){exit((offsetof(struct user, U_irss) & 0x7) ? 1 : 0);}" >>${LSOF_TMPC}.c
echo "Testing user.h with $LSOF_CC"
$LSOF_CC ${LSOF_TMPC}.c -o ${LSOF_TMPC}.x
if ! ${LSOF_TMPC}.x # {
@@ -811,7 +811,7 @@ case $LSOF_TGT in # {
# Get xlc version number
rm -f ${LSOF_TMPC}.*
- echo "main(){}" > ${LSOF_TMPC}.c
+ echo "int main(){}" > ${LSOF_TMPC}.c
echo "Getting version number of ${LSOF_CC}."
$LSOF_CC -c ${LSOF_TMPC}.c -I${LSOF_INCLUDE} -o ${LSOF_TMPC}.o -qlist > /dev/null 2>&1
LSOF_CCV=`head -1 ${LSOF_TMPC}.lst | sed 's/\(.*\) ---.*/\1/'`
@@ -1783,7 +1783,7 @@ kernel generation process.
cat > ${LSOF_TMPC}.c << .LSOF_END_HERE_DOC3
#undef _KERNEL
#include <sys/types.h>
-main() {
+int main() {
cpumask_t c;
}
.LSOF_END_HERE_DOC3
@@ -2400,7 +2400,7 @@ LOCKF_OWNER4
# Test for "const void" support.
rm -f ${LSOF_TMPC}.*
- echo "main() { const void *x; return(0); }" >> $LSOF_TMPC.c
+ echo "int main() { const void *x; return(0); }" >> $LSOF_TMPC.c
$LSOF_CC $LSOF_TMPC.c -o $LSOF_TMPC.x > /dev/null 2>&1
if test $? -eq 0 # {
then
@@ -2532,7 +2532,7 @@ LOCKF_OWNER4
echo ""
echo "Testing $LSOF_CC for 64 bit support"
rm -f ${LSOF_TMPC}.*
- echo "main(){}" > ${LSOF_TMPC}.c
+ echo "int main(){}" > ${LSOF_TMPC}.c
LSOF_TMP1=""
$LSOF_CC ${LSOF_TMPC}.c -o ${LSOF_TMPC}.x > /dev/null 2>&1
if test $? -eq 0 # {
@@ -4605,7 +4605,7 @@ return(0); }
rm -f ${LSOF_TMPC}.*
echo "#define _KMEMUSER" > ${LSOF_TMPC}.c
echo "#include <sys/proc/prdata.h>" >> ${LSOF_TMPC}.c
- echo "main(){" >> ${LSOF_TMPC}.c
+ echo "int main(){" >> ${LSOF_TMPC}.c
echo "enum prnodetype p=PR_GWINDOWS;}" >> ${LSOF_TMPC}.c
echo "Testing prdata.h for PR_GWINDOWS, using $LSOF_CC"
echo $LSOF_CC | grep gcc > /dev/null
@@ -4630,7 +4630,7 @@ return(0); }
rm -f ${LSOF_TMPC}.*
echo "#define _KMEMUSER" > ${LSOF_TMPC}.c
echo "#include <sys/proc/prdata.h>" >> ${LSOF_TMPC}.c
- echo "main(){" >> ${LSOF_TMPC}.c
+ echo "int main(){" >> ${LSOF_TMPC}.c
echo "enum prnodetype p=PR_LDT;}" >> ${LSOF_TMPC}.c
echo "Testing prdata.h for PR_LDT, using $LSOF_CC"
echo $LSOF_CC | grep gcc > /dev/null
@@ -4675,7 +4675,7 @@ return(0); }
echo "Testing $LSOF_CC for 64 bit support"
rm -f ${LSOF_TMPC}.*
- echo "main(){}" > ${LSOF_TMPC}.c
+ echo "int main(){}" > ${LSOF_TMPC}.c
LSOF_TMP1=""
# First try gcc's -m64 option -- it's the most current possibility.
@@ -4695,7 +4695,7 @@ return(0); }
# Try using the older -mcpu=v9 option with gcc instead of -m64.
- echo "main(){}" > ${LSOF_TMPC}.c
+ echo "int main(){}" > ${LSOF_TMPC}.c
$LSOF_CC ${LSOF_TMPC}.c -mcpu=v9 -o ${LSOF_TMPC}.x > /dev/null 2>&1
if test $? -eq 0 # {
then
@@ -4751,7 +4751,7 @@ return(0); }
echo "Testing $LSOF_CC for 64 bit $LSOF_TMP2 support"
rm -f ${LSOF_TMPC}.*
LSOF_TMP3="-xarch=$LSOF_TMP1"
- echo "main(){}" > ${LSOF_TMPC}.c
+ echo "int main(){}" > ${LSOF_TMPC}.c
LSOF_TMP4=`$LSOF_CC ${LSOF_TMPC}.c $LSOF_TMP3 -o ${LSOF_TMPC}.x 2>&1`
if test $? -eq 0 # {
then
@@ -5003,7 +5003,7 @@ return(0); }
then
rm -f ${LSOF_TMPC}.*
echo "#include <sys/vnode.h>" > ${LSOF_TMPC}.c
- echo "main(){" >> ${LSOF_TMPC}.c
+ echo "int main(){" >> ${LSOF_TMPC}.c
echo "enum vtype p=VSOCK;}" >> ${LSOF_TMPC}.c
echo "Testing vnode.h for VSOCK, using $LSOF_CC"
echo $LSOF_CC | grep gcc > /dev/null
@@ -5490,7 +5490,7 @@ fi # }
rm -f ${LSOF_TMPC}.*
cat > $LSOF_TMPC.c << .LSOF_END_HERE_DOC2
#include <time.h>
-main(){
+int main(){
time_t cl;
struct tm *ts;
char bf[32];
|
