AC_DEFUN(SVN_LIB_Z,
[
zlib_found=no
zlib_skip=no
AC_ARG_WITH(zlib,AS_HELP_STRING([--with-zlib=PREFIX],
[zlib compression library]),
[
if test "$withval" = "yes"; then
zlib_skip=no
elif test "$withval" = "no"; then
zlib_skip=yes
else
zlib_skip=no
zlib_prefix="$withval"
fi
])
if test "$zlib_skip" = "yes"; then
AC_MSG_ERROR([subversion requires zlib])
fi
if test -n "$zlib_prefix"; then
AC_MSG_NOTICE([zlib library configuration via prefix])
save_cppflags="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS -I$zlib_prefix/include"
AC_CHECK_HEADERS(zlib.h,[
save_ldflags="$LDFLAGS"
LDFLAGS="$LDFLAGS -L$zlib_prefix/lib"
AC_CHECK_LIB(z, inflate, [
zlib_found="yes"
SVN_ZLIB_INCLUDES="-I$zlib_prefix/include"
SVN_ZLIB_LIBS="`SVN_REMOVE_STANDARD_LIB_DIRS(-L$zlib_prefix/lib)` -lz"
])
LDFLAGS="$save_ldflags"
])
CPPFLAGS="$save_cppflags"
else
SVN_ZLIB_PKG_CONFIG()
if test "$zlib_found" = "no"; then
AC_MSG_NOTICE([zlib library configuration])
AC_CHECK_HEADER(zlib.h, [
AC_CHECK_LIB(z, inflate, [
zlib_found="builtin"
SVN_ZLIB_LIBS="-lz"
])
])
fi
fi
if test "$zlib_found" = "no"; then
AC_MSG_ERROR([subversion requires zlib])
fi
AC_SUBST(SVN_ZLIB_INCLUDES)
AC_SUBST(SVN_ZLIB_LIBS)
])
AC_DEFUN(SVN_ZLIB_PKG_CONFIG,
[
AC_MSG_NOTICE([zlib library configuration via pkg-config])
if test -n "$PKG_CONFIG"; then
AC_MSG_CHECKING([for zlib library])
if $PKG_CONFIG zlib --exists; then
AC_MSG_RESULT([yes])
zlib_found=yes
SVN_ZLIB_INCLUDES=`$PKG_CONFIG zlib --cflags`
SVN_ZLIB_LIBS=`$PKG_CONFIG zlib --libs`
SVN_ZLIB_LIBS="`SVN_REMOVE_STANDARD_LIB_DIRS($SVN_ZLIB_LIBS)`"
else
AC_MSG_RESULT([no])
fi
fi
])