* Streamlining by Peter Eisentraut <petere@debian.org>.

[ginac.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 638e25b391d1a3810c3f254d77c481e2ca1d0704..c9960d7c8a617969b1a6c62869c17095eb9415af 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -73,15 +73,18 @@ 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++])
 
 dnl Check for stuff needed for building the GiNaC interactive shell (ginsh).
 AC_CHECK_HEADERS(unistd.h)
+GINAC_HAVE_RUSAGE
 AC_CHECK_HEADERS(readline/readline.h readline/history.h)
 if test "x${ac_cv_header_readline_readline_h}" != "xyes" -o "x${ac_cv_header_readline_history_h}" != "xyes"; then
   GINAC_WARNING([I could not find the headers for libreadline (needed for building ginsh).])
@@ -111,6 +114,19 @@ AC_CHECK_HEADER(typeinfo, , GINAC_ERROR([The standard <typeinfo> header file cou
 AC_CHECK_HEADER(stdexcept, , GINAC_ERROR([The standard <stdexcept> header file could not be found.]))
 AC_CHECK_HEADER(algorithm, , GINAC_ERROR([The standard <algorithm> header file could not be found.]))
 AC_CHECK_HEADER(limits, , GINAC_ERROR([The standard <limits> header file could not be found.]))
+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,
@@ -150,7 +166,9 @@ ginsh/Makefile
 ginsh/ginsh.1
 tools/Makefile
 tools/viewgar.1
+tools/ginac-excompiler
 doc/Makefile
+doc/examples/Makefile
 doc/tutorial/Makefile
 doc/reference/Makefile
 doc/reference/DoxyfileHTML