X-Git-Url: https://git.octo.it/?p=sort-networks.git;a=blobdiff_plain;f=configure.ac;h=70be87c871192b595dcab64c944f53a1c70b0763;hp=25c2b3e9b20a7e77472e8b95999e9001c9b4dd3f;hb=aedb88c4afbb1af275eb8b5a04ade11528062b28;hpb=b8325bf3d7fa12253101f10f3b501a8a6df90984

diff --git a/configure.ac b/configure.ac
index 25c2b3e..70be87c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -20,24 +20,97 @@ LT_CONFIG_LTDL_DIR([libltdl])
 LT_INIT
 LTDL_INIT
 
-# Checks for libraries.
-AC_CHECK_LIB([m], [powl])
-# FIXME: Replace `main' with a function in `-lpopulation':
+if test "x$GCC" = "xyes"
+then
+	CFLAGS="$CFLAGS -std=c99"
+fi
+
+AC_DEFINE([_ISOC99_SOURCE], [1], [Define to use C99])
+AC_DEFINE([_POSIX_C_SOURCE], [200809L], [Set to desired POSIX version])
+AC_DEFINE([_XOPEN_SOURCE], [700], [Set to desired X/Open version])
+
+# TODO: Write check for libpopulation
 #AC_CHECK_LIB([population], [main])
 
 # Checks for header files.
-AC_CHECK_HEADERS([fcntl.h inttypes.h limits.h stdint.h stdlib.h string.h strings.h unistd.h])
+AC_HEADER_STDC
+AC_CHECK_HEADERS([fcntl.h inttypes.h limits.h stdint.h])
 
 # Checks for typedefs, structures, and compiler characteristics.
-AC_TYPE_INT64_T
-AC_TYPE_SIZE_T
-AC_TYPE_UINT32_T
-AC_TYPE_UINT64_T
+#AC_TYPE_INT64_T
+#AC_TYPE_SIZE_T
+#AC_TYPE_UINT32_T
+#AC_TYPE_UINT64_T
 
 # Checks for library functions.
 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"])
+fi
+
+if test "x$with_libpopulation" = "xyes"
+then    
+	if test "x$LIBPOPULATION_LIBS" = "x"
+	then
+		LIBPOPULATION_LIBS="-lpthread"
+	fi
+
+	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 :