gcc=0
warn=0
debug=0
+sanitize=0
old_cc="$CC"
old_cflags="$CFLAGS"
OBJC='$(OBJZ) $(OBJG)'
-c* | --const) zconst=1; shift ;;
-w* | --warn) warn=1; shift ;;
-d* | --debug) debug=1; shift ;;
+ --sanitize) sanitize=1; shift ;;
*)
echo "unknown option: $1" | tee -a configure.log
echo "$0 --help for help" | tee -a configure.log
int hello() {return getchar();}
EOF
-test -z "$CC" && echo Checking for ${CROSS_PREFIX}gcc... | tee -a configure.log
-cc=${CC-${CROSS_PREFIX}gcc}
+if test -z "$CC"; then
+ echo Checking for ${CROSS_PREFIX}gcc... | tee -a configure.log
+ if ${CROSS_PREFIX}gcc -v >/dev/null 2>&1; then
+ cc=${CROSS_PREFIX}gcc
+ else
+ cc=${CROSS_PREFIX}cc
+ fi
+fi
cflags=${CFLAGS-"-O3"}
# to force the asm version use: CFLAGS="-O3 -DASMV" ./configure
case "$cc" in
esac
case `$cc -v 2>&1` in
*gcc*) gcc=1 ;;
+ *clang*) gcc=1 ;;
esac
show $cc -c $test.c
if test "$gcc" -eq 1 && ($cc -c $test.c) >> configure.log 2>&1; then
echo ... using gcc >> configure.log
CC="$cc"
- CFLAGS="${CFLAGS--O3} ${ARCHS}"
+ CFLAGS="${CFLAGS--O3}"
SFLAGS="${CFLAGS--O3} -fPIC"
- LDFLAGS="${LDFLAGS} ${ARCHS}"
+ if test "$ARCHS"; then
+ CFLAGS="${CFLAGS} ${ARCHS}"
+ LDFLAGS="${LDFLAGS} ${ARCHS}"
+ fi
if test $build64 -eq 1; then
CFLAGS="${CFLAGS} -m64"
SFLAGS="${SFLAGS} -m64"
CFLAGS="${CFLAGS} -Wall -Wextra -pedantic"
fi
fi
+ if test $sanitize -eq 1; then
+ CFLAGS="${CFLAGS} -fsanitize=address"
+ fi
if test $debug -eq 1; then
CFLAGS="${CFLAGS} -DZLIB_DEBUG"
SFLAGS="${SFLAGS} -DZLIB_DEBUG"
}
echo - using any output from compiler to indicate an error >> configure.log
else
-try()
-{
- show $*
- ( $* ) >> configure.log 2>&1
- ret=$?
- if test $ret -ne 0; then
- echo "(exit code "$ret")" >> configure.log
- fi
- return $ret
-}
+ try()
+ {
+ show $*
+ got=`( $* ) 2>&1`
+ ret=$?
+ if test "$got" != ""; then
+ printf "%s\n" "$got" >> configure.log
+ fi
+ if test $ret -ne 0; then
+ echo "(exit code "$ret")" >> configure.log
+ fi
+ return $ret
+ }
fi
tryboth()
show $*
got=`( $* ) 2>&1`
ret=$?
- printf %s "$got" >> configure.log
+ if test "$got" != ""; then
+ printf "%s\n" "$got" >> configure.log
+ fi
if test $ret -ne 0; then
+ echo "(exit code "$ret")" >> configure.log
return $ret
fi
test "$got" = ""
echo >> configure.log
+# check for size_t
+cat > $test.c <<EOF
+#include <stdio.h>
+#include <stdlib.h>
+size_t dummy = 0;
+EOF
+if try $CC -c $CFLAGS $test.c; then
+ echo "Checking for size_t... Yes." | tee -a configure.log
+else
+ echo "Checking for size_t... No." | tee -a configure.log
+ # find a size_t integer type
+ # check for long long
+ cat > $test.c << EOF
+long long dummy = 0;
+EOF
+ if try $CC -c $CFLAGS $test.c; then
+ echo "Checking for long long... Yes." | tee -a configure.log
+ cat > $test.c <<EOF
+#include <stdio.h>
+int main(void) {
+ if (sizeof(void *) <= sizeof(int)) puts("int");
+ else if (sizeof(void *) <= sizeof(long)) puts("long");
+ else puts("z_longlong");
+ return 0;
+}
+EOF
+ else
+ echo "Checking for long long... No." | tee -a configure.log
+ cat > $test.c <<EOF
+#include <stdio.h>
+int main(void) {
+ if (sizeof(void *) <= sizeof(int)) puts("int");
+ else puts("long");
+ return 0;
+}
+EOF
+ fi
+ if try $CC $CFLAGS -o $test $test.c; then
+ sizet=`./$test`
+ echo "Checking for a pointer-size integer type..." $sizet"." | tee -a configure.log
+ CFLAGS="${CFLAGS} -DNO_SIZE_T=${sizet}"
+ SFLAGS="${SFLAGS} -DNO_SIZE_T=${sizet}"
+ else
+ echo "Checking for a pointer-size integer type... not found." | tee -a configure.log
+ fi
+fi
+
+echo >> configure.log
+
# check for large file support, and if none, check for fseeko()
cat > $test.c <<EOF
#include <sys/types.h>
echo STATICLIB = $STATICLIB >> configure.log
echo TEST = $TEST >> configure.log
echo VER = $VER >> configure.log
-echo Z_U4 = $Z_U4 >> configure.log
echo SRCDIR = $SRCDIR >> configure.log
echo exec_prefix = $exec_prefix >> configure.log
echo includedir = $includedir >> configure.log