Needed to call get_all_dummy_indices_safely more often.

[ginac.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 7005c94691ba02289bcc49abaabc35596a582558..c9960d7c8a617969b1a6c62869c17095eb9415af 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -73,9 +73,11 @@ AC_PROG_YACC
 
 dnl Check for data types which are needed by the hash function 
 dnl (golden_ratio_hash).
-AC_CHECK_SIZEOF(long, 4)
-AC_CHECK_SIZEOF(long long, 8)
-AC_CHECK_SIZEOF(long double, 12)
+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++])
@@ -116,6 +118,16 @@ if test "x$CONFIG_RUSAGE" = "xno"; then
     AC_CHECK_HEADER(ctime, , GINAC_ERROR([The standard <ctime> header file could not be found.]))
 fi
 
+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"
+
 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):
@@ -154,6 +166,7 @@ ginsh/Makefile
 ginsh/ginsh.1
 tools/Makefile
 tools/viewgar.1
+tools/ginac-excompiler
 doc/Makefile
 doc/examples/Makefile
 doc/tutorial/Makefile