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

33 lines
806 B
Text

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