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++])
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 $DL_LIBS"
+
dnl We need to have Bruno Haible's CLN installed.
dnl (CLN versions >= 1.1.0 must have installed cln.m4 at a visible place,
dnl which provides this macro):
dnl Documentation needs only be built when extending it, so never mind if it
dnl cannot find those helpers:
AC_PATH_PROG(DOXYGEN, doxygen, "")
+AM_CONDITIONAL(CONFIG_DOXYGEN, [test ! -z "$DOXYGEN"])
AC_PATH_PROG(LATEX, latex, "")
AC_PATH_PROG(PDFLATEX, pdflatex, "")
AC_PATH_PROG(MAKEINDEX, makeindex, "")
AC_PATH_PROG(DVIPS, dvips, "")
+AM_CONDITIONAL(CONFIG_TEX, [test ! \( -z "$LATEX" -o -z $"PDFLATEX" -o -z "$MAKEINDEX" -o -z "$DVIPS" \)])
AC_PATH_PROG(FIG2DEV, fig2dev, "")
+AM_CONDITIONAL(CONFIG_FIG2DEV, [test ! -z "$FIG2DEV"])
dnl Output makefiles etc.
AC_CONFIG_FILES([
ginsh/ginsh.1
tools/Makefile
tools/viewgar.1
+tools/ginac-excompiler
doc/Makefile
doc/examples/Makefile
doc/tutorial/Makefile