X-Git-Url: https://ginac.de/ginac.git//ginac.git?a=blobdiff_plain;f=configure.ac;h=b484299a9125b98614c5f913014e4addd1b642bf;hb=2a49feaf2d257a43aaeaee071b5da3620eca842b;hp=44356f2770797c76134c64d4b5ce5235e704cf1e;hpb=1079c663e2f5814029d9e80dd9d4ef9939bfaa63;p=ginac.git

diff --git a/configure.ac b/configure.ac
index 44356f27..b484299a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -19,7 +19,7 @@ m4_define([ginac_interface_age], [0])
 m4_define([ginac_binary_age], [0])
 
 AC_INIT([GiNaC], ginac_version, [<ginac-list@ginac.de>])
-AC_PREREQ(2.52)
+AC_PREREQ(2.59)
 AC_CONFIG_SRCDIR(ginac/basic.cpp)
 AC_CONFIG_HEADERS(config.h)
 dnl This defines PACKAGE and VERSION.
@@ -118,29 +118,23 @@ if test "x$CONFIG_RUSAGE" = "xno"; then
     AC_CHECK_HEADER(ctime, , GINAC_ERROR([The standard <ctime> header file could not be found.]))
 fi
 
+DL_LIBS=""
 dnl Check for dl library (needed for GiNaC::compile).
 AC_CHECK_LIB(dl, dlopen,
 	[
 		DL_LIBS="-ldl"
-		AC_SUBST(DL_LIBS)
 		AC_DEFINE(HAVE_LIBDL, 1, [set to 1 if you have a working libdl installed.])
 	], 
 	GINAC_WARNING([libdl not found. GiNaC::compile will be disabled.]))
-LIBS="$LIBS $DL_LIBS"
+AC_SUBST(DL_LIBS)
 
 dnl We need to have Bruno Haible's CLN installed.
-dnl (CLN versions >= 1.1.0 must have installed cln.m4 at a visible place,
-dnl which provides this macro):
-AC_PATH_CLN(1.1.0, [
-  LIBS="$LIBS $CLN_LIBS"
-  CPPFLAGS="$CPPFLAGS $CLN_CPPFLAGS"
-], GINAC_ERROR([No suitable installed version of CLN could be found.]))
-
-dnl Expand the cppflags and libraries needed by apps using GiNaC
-GINACLIB_CPPFLAGS=$CPPFLAGS
-GINACLIB_LIBS=$LIBS
-AC_SUBST(GINACLIB_CPPFLAGS)
-AC_SUBST(GINACLIB_LIBS)
+dnl (pkg-config must have installed pkg.m4 at a visible place, which provides
+dnl this macro. CLN >= 1.1.6 must have installed cln.pc at a visible place,
+dnl which provides the actual dependency information.)
+PKG_CHECK_MODULES(CLN, cln >= 1.1.6)
+LIBS="$LIBS $CLN_LIBS"
+CPPFLAGS="$CPPFLAGS $CLN_CFLAGS"
 
 dnl Check for utilities needed by the different kinds of documentation.
 dnl Documentation needs only be built when extending it, so never mind if it
@@ -159,8 +153,6 @@ dnl Output makefiles etc.
 AC_CONFIG_FILES([
 Makefile
 GiNaC.spec
-ginac-config
-ginac-config.1
 ginac.pc
 ginac/Makefile
 ginac/version.h
@@ -179,7 +171,6 @@ doc/reference/DoxyfileTEX
 doc/reference/DoxyfilePDF
 doc/reference/Doxyfooter
 ])
-AC_CONFIG_COMMANDS([default],[[chmod +x ginac-config]],[[]])
 AC_OUTPUT
 dnl Display a final warning if there has been a GINAC_ERROR or a GINAC_WARNING
 GINAC_CHECK_ERRORS