You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
106 lines
2.4 KiB
106 lines
2.4 KiB
# ZLIB_CHECK_CONFIG ([DEFAULT-ACTION])
|
|
# ----------------------------------------------------------
|
|
#
|
|
# Checks for zlib.
|
|
#
|
|
# This macro #defines HAVE_ZLIB_H if required header files are
|
|
# found, and sets @ZLIB_LDFLAGS@ and @ZLIB_CFLAGS@ to the necessary
|
|
# values.
|
|
#
|
|
# This macro is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
|
|
AC_DEFUN([ZLIB_TRY_LINK],
|
|
[
|
|
found_zlib=$1
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
|
|
#include <zlib.h>
|
|
]], [[
|
|
z_stream defstream;
|
|
deflateInit(&defstream, Z_BEST_COMPRESSION);
|
|
]])],[found_zlib="yes"],[])
|
|
])dnl
|
|
|
|
AC_DEFUN([ZLIB_CHECK_CONFIG],
|
|
[
|
|
AC_ARG_WITH([zlib],[
|
|
If you want to specify zlib installation directories:
|
|
AS_HELP_STRING([--with-zlib@<:@=DIR@:>@], [use zlib from given base install directory (DIR), default is to search through a number of common places for the zlib files.])],
|
|
[
|
|
test "x$withval" = "xyes" && withval=/usr
|
|
ZLIB_CFLAGS="-I$withval/include"
|
|
ZLIB_LDFLAGS="-L$withval/lib"
|
|
_zlib_dir_set="yes"
|
|
]
|
|
)
|
|
|
|
AC_ARG_WITH([zlib-include],
|
|
AS_HELP_STRING([--with-zlib-include=DIR],
|
|
[use zlib include headers from given path.]
|
|
),
|
|
[
|
|
ZLIB_CFLAGS="-I$withval"
|
|
_zlib_dir_set="yes"
|
|
]
|
|
)
|
|
|
|
AC_ARG_WITH([zlib-lib],
|
|
AS_HELP_STRING([--with-zlib-lib=DIR],
|
|
[use zlib libraries from given path.]
|
|
),
|
|
[
|
|
ZLIB_LDFLAGS="-L$withval"
|
|
_zlib_dir_set="yes"
|
|
]
|
|
)
|
|
|
|
AC_MSG_CHECKING(for zlib support)
|
|
|
|
ZLIB_LIBS="-lz"
|
|
|
|
if test -n "$_zlib_dir_set" -o -f /usr/include/zlib.h; then
|
|
found_zlib="yes"
|
|
elif test -f /usr/local/include/zlib.h; then
|
|
ZLIB_CFLAGS="-I/usr/local/include"
|
|
ZLIB_LDFLAGS="-L/usr/local/lib"
|
|
found_zlib="yes"
|
|
elif test -f /usr/pkg/include/zlib.h; then
|
|
ZLIB_CFLAGS="-I/usr/pkg/include"
|
|
ZLIB_LDFLAGS="-L/usr/pkg/lib"
|
|
found_zlib="yes"
|
|
else
|
|
found_zlib="no"
|
|
AC_MSG_RESULT(no)
|
|
fi
|
|
|
|
if test "x$found_zlib" = "xyes"; then
|
|
am_save_CFLAGS="$CFLAGS"
|
|
am_save_LDFLAGS="$LDFLAGS"
|
|
am_save_LIBS="$LIBS"
|
|
|
|
CFLAGS="$CFLAGS $ZLIB_CFLAGS"
|
|
LDFLAGS="$LDFLAGS $ZLIB_LDFLAGS"
|
|
LIBS="$LIBS $ZLIB_LIBS"
|
|
|
|
ZLIB_TRY_LINK([no])
|
|
|
|
CFLAGS="$am_save_CFLAGS"
|
|
LDFLAGS="$am_save_LDFLAGS"
|
|
LIBS="$am_save_LIBS"
|
|
fi
|
|
|
|
if test "x$found_zlib" = "xyes"; then
|
|
AC_DEFINE([HAVE_ZLIB], 1, [Define to 1 if you have the 'zlib' library (-lz)])
|
|
AC_MSG_RESULT(yes)
|
|
else
|
|
ZLIB_CFLAGS=""
|
|
ZLIB_LDFLAGS=""
|
|
ZLIB_LIBS=""
|
|
fi
|
|
|
|
AC_SUBST(ZLIB_CFLAGS)
|
|
AC_SUBST(ZLIB_LDFLAGS)
|
|
AC_SUBST(ZLIB_LIBS)
|
|
])dnl
|