mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
55 lines
1.9 KiB
Plaintext
55 lines
1.9 KiB
Plaintext
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dnl This Source Code Form is subject to the terms of the Mozilla Public
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dnl License, v. 2.0. If a copy of the MPL was not distributed with this
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dnl file, You can obtain one at http://mozilla.org/MPL/2.0/.
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dnl Usage: MOZ_ZLIB_CHECK([version])
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AC_DEFUN([MOZ_ZLIB_CHECK],
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[
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MOZZLIB=$1
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MOZ_ARG_WITH_STRING(system-zlib,
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[ --with-system-zlib[=PFX]
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Use system libz [installed at prefix PFX]],
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ZLIB_DIR=$withval)
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if test -z "$MOZ_ZLIB_LIBS$MOZ_ZLIB_CFLAGS$SKIP_LIBRARY_CHECKS"; then
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_SAVE_CFLAGS=$CFLAGS
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_SAVE_LDFLAGS=$LDFLAGS
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_SAVE_LIBS=$LIBS
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if test -n "${ZLIB_DIR}" -a "${ZLIB_DIR}" != "yes"; then
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MOZ_ZLIB_CFLAGS="-I${ZLIB_DIR}/include"
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MOZ_ZLIB_LIBS="-L${ZLIB_DIR}/lib"
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CFLAGS="$MOZ_ZLIB_CFLAGS $CFLAGS"
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LDFLAGS="$MOZ_ZLIB_LIBS $LDFLAGS"
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fi
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if test -z "$ZLIB_DIR" -o "$ZLIB_DIR" = no; then
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MOZ_NATIVE_ZLIB=
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else
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AC_CHECK_LIB(z, gzread, [MOZ_NATIVE_ZLIB=1 MOZ_ZLIB_LIBS="$MOZ_ZLIB_LIBS -lz"],
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[MOZ_NATIVE_ZLIB=])
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if test "$MOZ_NATIVE_ZLIB" = 1; then
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MOZZLIBNUM=`echo $MOZZLIB | awk -F. changequote(<<, >>)'{printf "0x%x\n", (((<<$>>1 * 16 + <<$>>2) * 16) + <<$>>3) * 16 + <<$>>4}'changequote([, ])`
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AC_TRY_COMPILE([ #include <stdio.h>
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#include <string.h>
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#include <zlib.h> ],
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[ #if ZLIB_VERNUM < $MOZZLIBNUM
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#error "Insufficient zlib version ($MOZZLIBNUM required)."
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#endif ],
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MOZ_NATIVE_ZLIB=1,
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AC_MSG_ERROR([Insufficient zlib version for --with-system-zlib ($MOZZLIB required)]))
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fi
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fi
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CFLAGS=$_SAVE_CFLAGS
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LDFLAGS=$_SAVE_LDFLAGS
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LIBS=$_SAVE_LIBS
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fi
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AC_SUBST(MOZ_ZLIB_CFLAGS)
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AC_SUBST(MOZ_ZLIB_LIBS)
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AC_SUBST(MOZ_NATIVE_ZLIB)
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])
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