commit: 70e44f72f1d452b90fa5a8104004b8577458fa8b
parent: d479454c901181b1f4114b9876dd38c523cdd7d9
author: Brian Callahan <bcallah@openbsd.org>
date: Mon, 15 Feb 2021 00:36:16 -0500
Add support for Nils Weller's C compiler (nwcc)
On OpenBSD, nwcc needs special LDFLAGS. Detect and add.
2 files changed, 25 insertions(+), 22 deletions(-)
diff --git a/README.md b/README.md
@@ -54,6 +54,7 @@ Supported compilers
* Optimizing C Compilation System (CCS) 4.2 03/27/14 (uw714mp5.bl4s)
* Tiny C Compiler (https://bellard.org/tcc/)
* CompCert (https://compcert.org/)
+* Nils Weller's C compiler (http://nwcc.sourceforge.net/)
Building with a compiler not listed here? Add it and send a pull request!
diff --git a/configure b/configure
@@ -95,7 +95,7 @@ clean:
rm -f \${PROG} \${OBJS}
distclean: clean
- rm -f Makefile pconfig.h
+ rm -f Makefile pconfig.h *.core
EOF
}
@@ -121,7 +121,6 @@ c99check() {
int main(void){long long l;for (int i=0;i<1;i++)printf("%s",__func__);return 0;}
EOF
$cc $cflags -std=c99 -o conftest.o -c conftest.c > /dev/null 2>&1
- $cc $ldflags -o conftest conftest.o > /dev/null 2>&1
if [ $? -eq 0 ] ; then
rm -f conftest conftest.o conftest.c
return 0
@@ -315,7 +314,6 @@ gnu99check() {
int main(void){long long l;for (int i=0;i<1;i++)printf("%s",__func__);return 0;}
EOF
$cc $cflags -std=gnu99 -o conftest.o -c conftest.c > /dev/null 2>&1
- $cc $ldflags -o conftest conftest.o > /dev/null 2>&1
if [ $? -eq 0 ] ; then
rm -f conftest conftest.o conftest.c
return 0
@@ -396,7 +394,6 @@ noc99check() {
int main(void){long long l;for (int i=0;i<1;i++)printf("%s",__func__);return 0;}
EOF
$cc $cflags -o conftest.o -c conftest.c > /dev/null 2>&1
- $cc $ldflags -o conftest conftest.o > /dev/null 2>&1
if [ $? -eq 0 ] ; then
rm -f conftest conftest.o conftest.c
return 0
@@ -911,16 +908,27 @@ else
echo "$cc"
fi
-printf "checking if C compiler can compile C99 without -std=c99... "
+if [ "x$cflags" = "x-DEMACS -DVI" ] ; then
+ printf "checking if the compiler accepts -g -O2... "
+ defaultcflagscheck
+ if [ $? -eq 0 ] ; then
+ echo "no"
+ else
+ cflags="-g -O2 $cflags"
+ echo "yes"
+ fi
+fi
+
+printf "checking if the compiler can compile C99 without -std=c99... "
noc99check
if [ $? -ne 0 ] ; then
echo "no"
- printf "checking if C compiler can compile C99 with -std=c99... "
+ printf "checking if the compiler can compile C99 with -std=c99... "
cflags="$cflags"
c99check
if [ $? -ne 0 ] ; then
echo "no"
- printf "checking if C compiler can compile C99 with -std=gnu99... "
+ printf "checking if the compiler can compile C99 with -std=gnu99... "
gnu99check
if [ $? -ne 0 ] ; then
echo "no"
@@ -938,17 +946,6 @@ else
echo "yes"
fi
-if [ "x$cflags" = "x-DEMACS -DVI" ] ; then
- printf "checking if the compiler accepts -g -O2... "
- defaultcflagscheck
- if [ $? -eq 0 ] ; then
- echo "no"
- else
- cflags="-g -O2 $cflags"
- echo "yes"
- fi
-fi
-
printf "checking for -w compiler flag... "
wflagcheck
if [ $? -eq 0 ] ; then
@@ -970,10 +967,15 @@ case "x$os" in
cflags="$cflags -D_OPENBSD_SOURCE"
;;
"xOpenBSD")
- if [ "x$cc" = "xccomp" ] ; then
- cflags="$cflags -D_ANSI_LIBRARY"
- ldflags="$ldflags -Wl,-nopie"
- fi
+ case "x$cc" in
+ "xccomp")
+ cflags="$cflags -D_ANSI_LIBRARY"
+ ldflags="$ldflags -Wl,-nopie"
+ ;;
+ "xnwcc")
+ ldflags="$ldflags -Wl,-nopie"
+ ;;
+ esac
;;
"xAIX"|"xOS400")
cflags="$cflags -D_ALL_SOURCE"
