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comparison: build/autoconf/zlib.m4
build/autoconf/zlib.m4
- branch
- TOR_BUG_9701
- changeset 3
- 141e0f1194b1
equal
deleted
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replaced
| -1:000000000000 | 0:216284a46d59 |
|---|---|
| 1 dnl This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 dnl License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 dnl file, You can obtain one at http://mozilla.org/MPL/2.0/. | |
| 4 | |
| 5 dnl Usage: MOZ_ZLIB_CHECK([version]) | |
| 6 | |
| 7 AC_DEFUN([MOZ_ZLIB_CHECK], | |
| 8 [ | |
| 9 | |
| 10 MOZZLIB=$1 | |
| 11 | |
| 12 MOZ_ARG_WITH_STRING(system-zlib, | |
| 13 [ --with-system-zlib[=PFX] | |
| 14 Use system libz [installed at prefix PFX]], | |
| 15 ZLIB_DIR=$withval) | |
| 16 | |
| 17 if test -z "$MOZ_ZLIB_LIBS$MOZ_ZLIB_CFLAGS$SKIP_LIBRARY_CHECKS"; then | |
| 18 _SAVE_CFLAGS=$CFLAGS | |
| 19 _SAVE_LDFLAGS=$LDFLAGS | |
| 20 _SAVE_LIBS=$LIBS | |
| 21 | |
| 22 if test -n "${ZLIB_DIR}" -a "${ZLIB_DIR}" != "yes"; then | |
| 23 MOZ_ZLIB_CFLAGS="-I${ZLIB_DIR}/include" | |
| 24 MOZ_ZLIB_LIBS="-L${ZLIB_DIR}/lib" | |
| 25 CFLAGS="$MOZ_ZLIB_CFLAGS $CFLAGS" | |
| 26 LDFLAGS="$MOZ_ZLIB_LIBS $LDFLAGS" | |
| 27 fi | |
| 28 if test -z "$ZLIB_DIR" -o "$ZLIB_DIR" = no; then | |
| 29 MOZ_NATIVE_ZLIB= | |
| 30 else | |
| 31 AC_CHECK_LIB(z, gzread, [MOZ_NATIVE_ZLIB=1 MOZ_ZLIB_LIBS="$MOZ_ZLIB_LIBS -lz"], | |
| 32 [MOZ_NATIVE_ZLIB=]) | |
| 33 if test "$MOZ_NATIVE_ZLIB" = 1; then | |
| 34 MOZZLIBNUM=`echo $MOZZLIB | awk -F. changequote(<<, >>)'{printf "0x%x\n", (((<<$>>1 * 16 + <<$>>2) * 16) + <<$>>3) * 16 + <<$>>4}'changequote([, ])` | |
| 35 AC_TRY_COMPILE([ #include <stdio.h> | |
| 36 #include <string.h> | |
| 37 #include <zlib.h> ], | |
| 38 [ #if ZLIB_VERNUM < $MOZZLIBNUM | |
| 39 #error "Insufficient zlib version ($MOZZLIBNUM required)." | |
| 40 #endif ], | |
| 41 MOZ_NATIVE_ZLIB=1, | |
| 42 AC_MSG_ERROR([Insufficient zlib version for --with-system-zlib ($MOZZLIB required)])) | |
| 43 fi | |
| 44 fi | |
| 45 CFLAGS=$_SAVE_CFLAGS | |
| 46 LDFLAGS=$_SAVE_LDFLAGS | |
| 47 LIBS=$_SAVE_LIBS | |
| 48 fi | |
| 49 | |
| 50 AC_SUBST(MOZ_ZLIB_CFLAGS) | |
| 51 AC_SUBST(MOZ_ZLIB_LIBS) | |
| 52 AC_SUBST(MOZ_NATIVE_ZLIB) | |
| 53 | |
| 54 ]) |
