aboutsummaryrefslogtreecommitdiff
path: root/zlib/configure
diff options
context:
space:
mode:
Diffstat (limited to 'zlib/configure')
-rw-r--r--zlib/configure171
1 files changed, 92 insertions, 79 deletions
diff --git a/zlib/configure b/zlib/configure
index 36c7d8ec2..b77a8a8cf 100644
--- a/zlib/configure
+++ b/zlib/configure
@@ -70,6 +70,7 @@ shared=1
solo=0
cover=0
zprefix=0
+zconst=0
build64=0
gcc=0
old_cc="$CC"
@@ -77,13 +78,26 @@ old_cflags="$CFLAGS"
OBJC='$(OBJZ) $(OBJG)'
PIC_OBJC='$(PIC_OBJZ) $(PIC_OBJG)'
+# leave this script, optionally in a bad way
+leave()
+{
+ if test "$*" != "0"; then
+ echo "** $0 aborting." | tee -a configure.log
+ fi
+ rm -f $test.[co] $test $test$shared_ext $test.gcno ./--version
+ echo -------------------- >> configure.log
+ echo >> configure.log
+ echo >> configure.log
+ exit $1
+}
+
# process command line options
while test $# -ge 1
do
case "$1" in
-h* | --help)
echo 'usage:' | tee -a configure.log
- echo ' configure [--zprefix] [--prefix=PREFIX] [--eprefix=EXPREFIX]' | tee -a configure.log
+ echo ' configure [--const] [--zprefix] [--prefix=PREFIX] [--eprefix=EXPREFIX]' | tee -a configure.log
echo ' [--static] [--64] [--libdir=LIBDIR] [--sharedlibdir=LIBDIR]' | tee -a configure.log
echo ' [--includedir=INCLUDEDIR] [--archs="-arch i386 -arch x86_64"]' | tee -a configure.log
exit 0 ;;
@@ -106,13 +120,18 @@ case "$1" in
-a*=* | --archs=*) ARCHS=`echo $1 | sed 's/.*=//'`; shift ;;
--sysconfdir=*) echo "ignored option: --sysconfdir" | tee -a configure.log; shift ;;
--localstatedir=*) echo "ignored option: --localstatedir" | tee -a configure.log; shift ;;
- *) echo "unknown option: $1"; echo "$0 --help for help" | tee -a configure.log; exit 1 ;;
+ -c* | --const) zconst=1; shift ;;
+ *)
+ echo "unknown option: $1" | tee -a configure.log
+ echo "$0 --help for help" | tee -a configure.log
+ leave 1;;
esac
done
-# define functions for testing compiler and library characteristics and logging the results
+# temporary file name
test=ztest$$
+# put arguments in log, also put test file in log if used in arguments
show()
{
case "$*" in
@@ -124,43 +143,6 @@ show()
echo $* >> configure.log
}
-cat > $test.c <<EOF
-#error error
-EOF
-if ($CC -c $CFLAGS $test.c) 2>/dev/null; then
- try()
- {
- show $*
- test "`( $* ) 2>&1 | tee -a configure.log`" = ""
- }
- 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
- }
-fi
-
-tryboth()
-{
- show $*
- got=`( $* ) 2>&1`
- ret=$?
- printf %s "$got" >> configure.log
- if test $ret -ne 0; then
- return $ret
- fi
- test "$got" = ""
-}
-
-echo >> configure.log
-
# check for gcc vs. cc and set compile and link flags based on the system identified by uname
cat > $test.c <<EOF
extern int getchar();
@@ -179,8 +161,8 @@ case `$cc -v 2>&1` in
*gcc*) gcc=1 ;;
esac
-show $cc -c $cflags $test.c
-if test "$gcc" -eq 1 && ($cc -c $cflags $test.c) >> configure.log 2>&1; then
+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} ${ARCHS}"
@@ -191,7 +173,11 @@ if test "$gcc" -eq 1 && ($cc -c $cflags $test.c) >> configure.log 2>&1; then
SFLAGS="${SFLAGS} -m64"
fi
if test "${ZLIBGCCWARN}" = "YES"; then
- CFLAGS="${CFLAGS} -Wall -Wextra -pedantic"
+ if test "$zconst" -eq 1; then
+ CFLAGS="${CFLAGS} -Wall -Wextra -Wcast-qual -pedantic -DZLIB_CONST"
+ else
+ CFLAGS="${CFLAGS} -Wall -Wextra -pedantic"
+ fi
fi
if test -z "$uname"; then
uname=`(uname -s || echo unknown) 2>/dev/null`
@@ -208,7 +194,7 @@ if test "$gcc" -eq 1 && ($cc -c $cflags $test.c) >> configure.log 2>&1; then
# temporary bypass
rm -f $test.[co] $test $test$shared_ext
echo "Please use win32/Makefile.gcc instead." | tee -a configure.log
- exit 1
+ leave 1
LDSHARED=${LDSHARED-"$cc -shared"}
LDSHAREDLIBC=""
EXE='.exe' ;;
@@ -231,7 +217,11 @@ if test "$gcc" -eq 1 && ($cc -c $cflags $test.c) >> configure.log 2>&1; then
SHAREDLIBV=libz.$VER$shared_ext
SHAREDLIBM=libz.$VER1$shared_ext
LDSHARED=${LDSHARED-"$cc -dynamiclib -install_name $libdir/$SHAREDLIBM -compatibility_version $VER1 -current_version $VER3"}
- AR="/usr/bin/libtool"
+ if libtool -V 2>&1 | grep Apple > /dev/null; then
+ AR="libtool"
+ else
+ AR="/usr/bin/libtool"
+ fi
ARFLAGS="-o" ;;
*) LDSHARED=${LDSHARED-"$cc -shared"} ;;
esac
@@ -334,7 +324,61 @@ SHAREDLIBM=${SHAREDLIBM-"libz$shared_ext.$VER1"}
echo >> configure.log
+# define functions for testing compiler and library characteristics and logging the results
+
+cat > $test.c <<EOF
+#error error
+EOF
+if ($CC -c $CFLAGS $test.c) 2>/dev/null; then
+ try()
+ {
+ show $*
+ test "`( $* ) 2>&1 | tee -a configure.log`" = ""
+ }
+ 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
+}
+fi
+
+tryboth()
+{
+ show $*
+ got=`( $* ) 2>&1`
+ ret=$?
+ printf %s "$got" >> configure.log
+ if test $ret -ne 0; then
+ return $ret
+ fi
+ test "$got" = ""
+}
+
+cat > $test.c << EOF
+int foo() { return 0; }
+EOF
+echo "Checking for obsessive-compulsive compiler options..." >> configure.log
+if try $CC -c $CFLAGS $test.c; then
+ :
+else
+ echo "Compiler error reporting is too harsh for $0 (perhaps remove -Werror)." | tee -a configure.log
+ leave 1
+fi
+
+echo >> configure.log
+
# see if shared library build supported
+cat > $test.c <<EOF
+extern int getchar();
+int hello() {return getchar();}
+EOF
if test $shared -eq 1; then
echo Checking for shared library support... | tee -a configure.log
# we must test in two steps (cc then ld), required at least on SunOS 4.x
@@ -362,8 +406,6 @@ else
TEST="all teststatic testshared"
fi
-echo >> configure.log
-
# check for underscores in external names for use by assembler code
CPP=${CPP-"$CC -E"}
case $CFLAGS in
@@ -698,35 +740,6 @@ EOF
fi
fi
-echo >> configure.log
-
-# find a four-byte unsiged integer type for crc calculations
-cat > $test.c <<EOF
-#include <stdio.h>
-#define is32(n,t) for(n=1,k=0;n;n<<=1,k++);if(k==32){puts(t);return 0;}
-int main() {
- int k;
- unsigned i;
- unsigned long l;
- unsigned short s;
- is32(i, "unsigned")
- is32(l, "unsigned long")
- is32(s, "unsigned short")
- return 1;
-}
-EOF
-Z_U4=""
-if try $CC $CFLAGS $test.c -o $test && Z_U4=`./$test` && test -n "$Z_U4"; then
- sed < zconf.h "/#define Z_U4/s/\/\* \.\/configure may/#define Z_U4 $Z_U4 \/* .\/configure put the/" > zconf.temp.h
- mv zconf.temp.h zconf.h
- echo "Looking for a four-byte integer type... Found." | tee -a configure.log
-else
- echo "Looking for a four-byte integer type... Not found." | tee -a configure.log
-fi
-
-# clean up files produced by running the compiler and linker
-rm -f $test.[co] $test $test$shared_ext $test.gcno
-
# show the results in the log
echo >> configure.log
echo ALL = $ALL >> configure.log
@@ -758,9 +771,6 @@ echo mandir = $mandir >> configure.log
echo prefix = $prefix >> configure.log
echo sharedlibdir = $sharedlibdir >> configure.log
echo uname = $uname >> configure.log
-echo -------------------- >> configure.log
-echo >> configure.log
-echo >> configure.log
# udpate Makefile with the configure results
sed < Makefile.in "
@@ -816,3 +826,6 @@ sed < zlib.pc.in "
" | sed -e "
s/\@VERSION\@/$VER/g;
" > zlib.pc
+
+# done
+leave 0