mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-26 14:22:01 +00:00
55 lines
1.9 KiB
Plaintext
55 lines
1.9 KiB
Plaintext
dnl This Source Code Form is subject to the terms of the Mozilla Public
|
|
dnl License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
dnl file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
|
|
dnl Usage: MOZ_ZLIB_CHECK([version])
|
|
|
|
AC_DEFUN([MOZ_ZLIB_CHECK],
|
|
[
|
|
|
|
MOZZLIB=$1
|
|
|
|
MOZ_ARG_WITH_STRING(system-zlib,
|
|
[ --with-system-zlib[=PFX]
|
|
Use system libz [installed at prefix PFX]],
|
|
ZLIB_DIR=$withval)
|
|
|
|
if test -z "$MOZ_ZLIB_LIBS$MOZ_ZLIB_CFLAGS$SKIP_LIBRARY_CHECKS"; then
|
|
_SAVE_CFLAGS=$CFLAGS
|
|
_SAVE_LDFLAGS=$LDFLAGS
|
|
_SAVE_LIBS=$LIBS
|
|
|
|
if test -n "${ZLIB_DIR}" -a "${ZLIB_DIR}" != "yes"; then
|
|
MOZ_ZLIB_CFLAGS="-I${ZLIB_DIR}/include"
|
|
MOZ_ZLIB_LIBS="-L${ZLIB_DIR}/lib"
|
|
CFLAGS="$MOZ_ZLIB_CFLAGS $CFLAGS"
|
|
LDFLAGS="$MOZ_ZLIB_LIBS $LDFLAGS"
|
|
fi
|
|
if test -z "$ZLIB_DIR" -o "$ZLIB_DIR" = no; then
|
|
MOZ_NATIVE_ZLIB=
|
|
else
|
|
AC_CHECK_LIB(z, gzread, [MOZ_NATIVE_ZLIB=1 MOZ_ZLIB_LIBS="$MOZ_ZLIB_LIBS -lz"],
|
|
[MOZ_NATIVE_ZLIB=])
|
|
if test "$MOZ_NATIVE_ZLIB" = 1; then
|
|
MOZZLIBNUM=`echo $MOZZLIB | awk -F. changequote(<<, >>)'{printf "0x%x\n", (((<<$>>1 * 16 + <<$>>2) * 16) + <<$>>3) * 16 + <<$>>4}'changequote([, ])`
|
|
AC_TRY_COMPILE([ #include <stdio.h>
|
|
#include <string.h>
|
|
#include <zlib.h> ],
|
|
[ #if ZLIB_VERNUM < $MOZZLIBNUM
|
|
#error "Insufficient zlib version ($MOZZLIBNUM required)."
|
|
#endif ],
|
|
MOZ_NATIVE_ZLIB=1,
|
|
AC_MSG_ERROR([Insufficient zlib version for --with-system-zlib ($MOZZLIB required)]))
|
|
fi
|
|
fi
|
|
CFLAGS=$_SAVE_CFLAGS
|
|
LDFLAGS=$_SAVE_LDFLAGS
|
|
LIBS=$_SAVE_LIBS
|
|
fi
|
|
|
|
AC_SUBST(MOZ_ZLIB_CFLAGS)
|
|
AC_SUBST_LIST(MOZ_ZLIB_LIBS)
|
|
AC_SUBST(MOZ_NATIVE_ZLIB)
|
|
|
|
])
|