tinc/m4/zlib.m4
2019-08-26 13:44:36 +02:00

31 lines
677 B
Text

dnl Check to find the zlib headers/libraries
AC_DEFUN(tinc_ZLIB,
[
tinc_ac_save_CPPFLAGS="$CPPFLAGS"
AC_ARG_WITH(zlib-include,
[ --with-zlib-include=DIR zlib headers directory],
[zlib_include="$withval"
CFLAGS="$CFLAGS -I$withval"
CPPFLAGS="$CPPFLAGS -I$withval"]
)
AC_ARG_WITH(zlib-lib,
[ --with-zlib-lib=DIR zlib library directory],
[zlib_lib="$withval"
LIBS="$LIBS -L$withval"]
)
AC_CHECK_HEADERS(zlib.h,
[],
[AC_MSG_ERROR("zlib header files not found."); break]
)
CPPFLAGS="$tinc_ac_save_CPPFLAGS"
AC_CHECK_LIB(z, compress2,
[LIBS="$LIBS -lz"],
[AC_MSG_ERROR("zlib libraries not found.")]
)
])