build/autoconf/zlib.m4@141e0f1194b1 (annotated)
build/autoconf/zlib.m4
Wed, 31 Dec 2014 07:16:47 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 07:16:47 +0100
- branch
- TOR_BUG_9701
- changeset 3
- 141e0f1194b1
- permissions
- -rw-r--r--
Revert simplistic fix pending revisit of Mozilla integration attempt.
| michael@0 | 1 | dnl This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 2 | dnl License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 3 | dnl file, You can obtain one at http://mozilla.org/MPL/2.0/. |
| michael@0 | 4 | |
| michael@0 | 5 | dnl Usage: MOZ_ZLIB_CHECK([version]) |
| michael@0 | 6 | |
| michael@0 | 7 | AC_DEFUN([MOZ_ZLIB_CHECK], |
| michael@0 | 8 | [ |
| michael@0 | 9 | |
| michael@0 | 10 | MOZZLIB=$1 |
| michael@0 | 11 | |
| michael@0 | 12 | MOZ_ARG_WITH_STRING(system-zlib, |
| michael@0 | 13 | [ --with-system-zlib[=PFX] |
| michael@0 | 14 | Use system libz [installed at prefix PFX]], |
| michael@0 | 15 | ZLIB_DIR=$withval) |
| michael@0 | 16 | |
| michael@0 | 17 | if test -z "$MOZ_ZLIB_LIBS$MOZ_ZLIB_CFLAGS$SKIP_LIBRARY_CHECKS"; then |
| michael@0 | 18 | _SAVE_CFLAGS=$CFLAGS |
| michael@0 | 19 | _SAVE_LDFLAGS=$LDFLAGS |
| michael@0 | 20 | _SAVE_LIBS=$LIBS |
| michael@0 | 21 | |
| michael@0 | 22 | if test -n "${ZLIB_DIR}" -a "${ZLIB_DIR}" != "yes"; then |
| michael@0 | 23 | MOZ_ZLIB_CFLAGS="-I${ZLIB_DIR}/include" |
| michael@0 | 24 | MOZ_ZLIB_LIBS="-L${ZLIB_DIR}/lib" |
| michael@0 | 25 | CFLAGS="$MOZ_ZLIB_CFLAGS $CFLAGS" |
| michael@0 | 26 | LDFLAGS="$MOZ_ZLIB_LIBS $LDFLAGS" |
| michael@0 | 27 | fi |
| michael@0 | 28 | if test -z "$ZLIB_DIR" -o "$ZLIB_DIR" = no; then |
| michael@0 | 29 | MOZ_NATIVE_ZLIB= |
| michael@0 | 30 | else |
| michael@0 | 31 | AC_CHECK_LIB(z, gzread, [MOZ_NATIVE_ZLIB=1 MOZ_ZLIB_LIBS="$MOZ_ZLIB_LIBS -lz"], |
| michael@0 | 32 | [MOZ_NATIVE_ZLIB=]) |
| michael@0 | 33 | if test "$MOZ_NATIVE_ZLIB" = 1; then |
| michael@0 | 34 | MOZZLIBNUM=`echo $MOZZLIB | awk -F. changequote(<<, >>)'{printf "0x%x\n", (((<<$>>1 * 16 + <<$>>2) * 16) + <<$>>3) * 16 + <<$>>4}'changequote([, ])` |
| michael@0 | 35 | AC_TRY_COMPILE([ #include <stdio.h> |
| michael@0 | 36 | #include <string.h> |
| michael@0 | 37 | #include <zlib.h> ], |
| michael@0 | 38 | [ #if ZLIB_VERNUM < $MOZZLIBNUM |
| michael@0 | 39 | #error "Insufficient zlib version ($MOZZLIBNUM required)." |
| michael@0 | 40 | #endif ], |
| michael@0 | 41 | MOZ_NATIVE_ZLIB=1, |
| michael@0 | 42 | AC_MSG_ERROR([Insufficient zlib version for --with-system-zlib ($MOZZLIB required)])) |
| michael@0 | 43 | fi |
| michael@0 | 44 | fi |
| michael@0 | 45 | CFLAGS=$_SAVE_CFLAGS |
| michael@0 | 46 | LDFLAGS=$_SAVE_LDFLAGS |
| michael@0 | 47 | LIBS=$_SAVE_LIBS |
| michael@0 | 48 | fi |
| michael@0 | 49 | |
| michael@0 | 50 | AC_SUBST(MOZ_ZLIB_CFLAGS) |
| michael@0 | 51 | AC_SUBST(MOZ_ZLIB_LIBS) |
| michael@0 | 52 | AC_SUBST(MOZ_NATIVE_ZLIB) |
| michael@0 | 53 | |
| michael@0 | 54 | ]) |
