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AC_DEFUN([AM_PATH_LIBZ],
[
AC_ARG_WITH([libz-prefix],
[ --with-libz-prefix=PREFIX Prefix where libz installed (optional)],
[libz_prefix=$withval],
[libz_prefix=""])
if test "x$libz_prefix" = "x"; then
libz_prefix="/usr"
fi
libz_prefix_lib=$libz_prefix/lib
libz_prefix_include=$libz_prefix/include
LIBS_save=$LIBS
CPPFLAGS_save=$CPPFLAGS
LIBS="-L$libz_prefix_lib $LIBS"
CPPFLAGS="-I$libz_prefix_include $CPPFLAGS"
AC_CHECK_LIB([z], [zlibVersion], [have_libz=yes])
if test "x$have_libz" = "xyes"; then
AC_DEFINE([HAVE_LIBZ], [1], [Define to 1 if you have libz.])
LIBZ_LIBS="-L$libz_prefix_lib -lz"
LIBZ_CPPFLAGS="-I$libz_prefix_include"
AC_SUBST(LIBZ_LIBS)
AC_SUBST(LIBZ_CPPFLAGS)
fi
LIBS=$LIBS_save
CPPFLAGS=$CPPFLAGS_save
])
|
