configure.ac: Added check for libpopulation.

diff --git a/configure.ac b/configure.ac
index b8d6e6b..680d432 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -47,5 +47,66 @@ AC_FUNC_MALLOC
 AC_FUNC_REALLOC
 AC_CHECK_FUNCS([memmove memset strcasecmp strchr strdup strtol])
 
+AC_ARG_VAR([LIBPOPULATION_CPPFLAGS], [C preprocessor flags required to build with libpopulation])
+AC_ARG_VAR([LIBPOPULATION_LDFLAGS],  [Linker flags required to build with libpopulation])
+AC_ARG_VAR([LIBPOPULATION_LIBS],     [Other libraries required to link against libpopulation])
+
+# --with-libpopulation {{{
+LIBPOPULATION_CPPFLAGS="$LIBPOPULATION_CPPFLAGS"
+LIBPOPULATION_LDFLAGS="$LIBPOPULATION_LDFLAGS"
+LIBPOPULATION_LIBS="$LIBPOPULATION_LIBS"
+AC_ARG_WITH(libpopulation, [AS_HELP_STRING([--with-libpopulation@<:@=PREFIX@:>@], [Path to libpopulation.])],
+[
+       if test "x$withval" = "xyes" || test "x$withval" = "xno"
+       then
+               with_libpopulation="$withval"
+       else
+               LIBPOPULATION_CPPFLAGS="$LIBPOPULATION_CPPFLAGS -I$withval/include"
+               LIBPOPULATION_LDFLAGS="$LIBPOPULATION_LDFLAGS -L$withval/lib"
+               with_libpopulation="yes"
+       fi
+],
+[
+       with_libpopulation="yes"
+])
+
+SAVE_CPPFLAGS="$CPPFLAGS"
+SAVE_LDFLAGS="$LDFLAGS"
+CPPFLAGS="$CPPFLAGS $LIBPOPULATION_CPPFLAGS"
+LDFLAGS="$LDFLAGS $LIBPOPULATION_LDFLAGS"
+
+if test "x$with_libpopulation" = "xyes"
+then
+       AC_CHECK_HEADERS(population.h,
+                        [with_libpopulation="yes"],
+                        [with_libpopulation="no"])
+       echo "with_libpopulation = $with_libpopulation"
+fi
+
+if test "x$with_libpopulation" = "xyes"
+then    
+       AC_CHECK_LIB(population, population_create,
+                    [with_libpopulation="yes"],
+                    [with_libpopulation="no"],
+                    [$LIBPOPULATION_LIBS])
+       LIBPOPULATION_LIBS="-lpopulation $LIBPOPULATION_LIBS"
+fi      
+
+CPPFLAGS="$SAVE_CPPFLAGS"
+LDFLAGS="$SAVE_LDFLAGS"
+
+if test "x$with_libpopulation" = "xyes"
+then
+       AC_DEFINE(HAVE_LIBPOPULATION, 1, [Define to 1 if you have the population library (-lpopulation).])
+fi
+
+AC_SUBST(LIBPOPULATION_CPPFLAGS)
+AC_SUBST(LIBPOPULATION_LDFLAGS)
+AC_SUBST(LIBPOPULATION_LIBS)
+AM_CONDITIONAL(BUILD_WITH_LIBPOPULATION, test "x$with_libpopulation" = "xyes")
+# }}} --with-libpopulation
+
 AC_CONFIG_FILES([Makefile src/Makefile])
 AC_OUTPUT
+
+# vim: set fdm=marker :