Update documentation.
[tinc] / m4 / lzo.m4
1 dnl Check to find the lzo headers/libraries
2
3 AC_DEFUN([tinc_LZO],
4 [
5   AC_ARG_WITH(lzo,
6     AS_HELP_STRING([--with-lzo=DIR], [lzo base directory, or:]),
7     [lzo="$withval"
8      CPPFLAGS="$CPPFLAGS -I$withval/include"
9      LDFLAGS="$LDFLAGS -L$withval/lib"]
10   )
11
12   AC_ARG_WITH(lzo-include,
13     AS_HELP_STRING([--with-lzo-include=DIR], [lzo headers directory]),
14     [lzo_include="$withval"
15      CPPFLAGS="$CPPFLAGS -I$withval"]
16   )
17
18   AC_ARG_WITH(lzo-lib,
19     AS_HELP_STRING([--with-lzo-lib=DIR], [lzo library directory]),
20     [lzo_lib="$withval"
21      LDFLAGS="$LDFLAGS -L$withval"]
22   )
23
24   AC_CHECK_HEADERS(lzo1x.h,
25     [],
26     [AC_MSG_ERROR("lzo header files not found."); break]
27   )
28
29   AC_CHECK_LIB(lzo, lzo1x_1_compress,
30     [LIBS="$LIBS -llzo"],
31     [AC_MSG_ERROR("lzo libraries not found.")]
32   )
33 ])