dnl Check to find the lzo headers/libraries
-AC_DEFUN(tinc_LZO,
+AC_DEFUN([tinc_LZO],
[
- AC_ARG_WITH(lzo,
- AC_HELP_STRING([--with-lzo=DIR], [lzo base directory, or:]),
- [lzo="$withval"
- CPPFLAGS="$CPPFLAGS -I$withval/include"
- LDFLAGS="$LDFLAGS -L$withval/lib"]
- )
+ AC_ARG_ENABLE([lzo],
+ AS_HELP_STRING([--disable-lzo], [disable lzo compression support]))
+ AS_IF([test "x$enable_lzo" != "xno"], [
+ AC_DEFINE(HAVE_LZO, 1, [enable lzo compression support])
+ AC_ARG_WITH(lzo,
+ AS_HELP_STRING([--with-lzo=DIR], [lzo base directory, or:]),
+ [lzo="$withval"
+ CPPFLAGS="$CPPFLAGS -I$withval/include"
+ LDFLAGS="$LDFLAGS -L$withval/lib"]
+ )
- AC_ARG_WITH(lzo-include,
- AC_HELP_STRING([--with-lzo-include=DIR], [lzo headers directory]),
- [lzo_include="$withval"
- CPPFLAGS="$CPPFLAGS -I$withval"]
- )
+ AC_ARG_WITH(lzo-include,
+ AS_HELP_STRING([--with-lzo-include=DIR], [lzo headers directory]),
+ [lzo_include="$withval"
+ CPPFLAGS="$CPPFLAGS -I$withval"]
+ )
- AC_ARG_WITH(lzo-lib,
- AC_HELP_STRING([--with-lzo-lib=DIR], [lzo library directory]),
- [lzo_lib="$withval"
- LDFLAGS="$LDFLAGS -L$withval"]
- )
+ AC_ARG_WITH(lzo-lib,
+ AS_HELP_STRING([--with-lzo-lib=DIR], [lzo library directory]),
+ [lzo_lib="$withval"
+ LDFLAGS="$LDFLAGS -L$withval"]
+ )
- AC_CHECK_HEADERS(lzo1x.h,
- [],
- [AC_MSG_ERROR("lzo header files not found."); break]
- )
+ AC_CHECK_LIB(lzo2, lzo1x_1_compress,
+ [LIBS="$LIBS -llzo2"],
+ [AC_CHECK_LIB(lzo, lzo1x_1_compress,
+ [LIBS="$LIBS -llzo"],
+ [AC_MSG_ERROR("lzo libraries not found."); break]
+ )]
+ )
- AC_CHECK_LIB(lzo, lzo1x_1_compress,
- [LIBS="$LIBS -llzo"],
- [AC_MSG_ERROR("lzo libraries not found.")]
- )
+ AC_CHECK_HEADERS(lzo/lzo1x.h,
+ [AC_DEFINE(LZO1X_H, [<lzo/lzo1x.h>], [Location of lzo1x.h])],
+ [AC_CHECK_HEADERS(lzo2/lzo1x.h,
+ [AC_DEFINE(LZO1X_H, [<lzo2/lzo1x.h>], [Location of lzo1x.h])],
+ [AC_CHECK_HEADERS(lzo1x.h,
+ [AC_DEFINE(LZO1X_H, [<lzo1x.h>], [Location of lzo1x.h])],
+ [AC_MSG_ERROR("lzo header files not found."); break]
+ )]
+ )]
+ )
+ ])
])