is_exactly_a: use typeid() to check the type of expression.

[ginac.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index ab7108572f3890ba3ad87cfe4163a5c185ddaccc..c90f09d64010f29c3f6a61b71047a1aed9164bfa 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -21,7 +21,8 @@ m4_define([ginac_binary_age], [0])
 AC_INIT([GiNaC], ginac_version, [<ginac-list@ginac.de>])
 AC_PREREQ(2.59)
 AC_CONFIG_SRCDIR(ginac/basic.cpp)
-AC_CONFIG_HEADERS(config.h)
+AC_CONFIG_AUX_DIR([config])
+AC_CONFIG_HEADERS([config/config.h])
 dnl This defines PACKAGE and VERSION.
 AM_INIT_AUTOMAKE([gnu 1.7 dist-bzip2])
 
@@ -71,13 +72,6 @@ AM_PROG_LIBTOOL
 AM_PROG_LEX
 AC_PROG_YACC
 
-dnl Check for data types which are needed by the hash function 
-dnl (golden_ratio_hash).
-AC_CHECK_SIZEOF(int)
-AC_CHECK_SIZEOF(long)
-AC_CHECK_SIZEOF(long long)
-AC_CHECK_SIZEOF(long double)
-AC_CHECK_SIZEOF(void *)
 
 dnl Switch to C++ language mode for the following libraries and headers.
 AC_LANG([C++])
@@ -85,21 +79,6 @@ AC_LANG([C++])
 dnl Make sure all the necessary standard headers are installed on the system.
 GINAC_STD_CXX_HEADERS
 
-dnl Check for stuff needed for building the GiNaC interactive shell (ginsh).
-AC_CHECK_HEADERS(unistd.h)
-GINAC_HAVE_RUSAGE
-GINAC_READLINE
-
-DL_LIBS=""
-dnl Check for dl library (needed for GiNaC::compile).
-AC_CHECK_LIB(dl, dlopen,
-       [
-               DL_LIBS="-ldl"
-               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.]))
-AC_SUBST(DL_LIBS)
-
 dnl We need to have Bruno Haible's CLN installed.
 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,
@@ -108,6 +87,18 @@ PKG_CHECK_MODULES(CLN, cln >= 1.1.6)
 LIBS="$LIBS $CLN_LIBS"
 CPPFLAGS="$CPPFLAGS $CLN_CFLAGS"
 
+dnl Check for data types which are needed by the hash function 
+dnl (golden_ratio_hash).
+AC_CHECK_TYPE(long long)
+
+dnl Check for stuff needed for building the GiNaC interactive shell (ginsh).
+AC_CHECK_HEADERS(unistd.h)
+GINAC_HAVE_RUSAGE
+GINAC_READLINE
+
+dnl Check for dl library (needed for GiNaC::compile).
+GINAC_EXCOMPILER
+
 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
 dnl cannot find those helpers: