X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?a=blobdiff_plain;f=configure.in;h=26627588159ca7a7c4339ca600ac4c3f3ad076e0;hb=a750bdfebab4f7ed3c2f69c2983c6820732521b8;hp=77fdcbef7ec97aaac9a5c2440cea0ded98ce17a6;hpb=9046466e331b543e9e22db3d9792295d1bbe334c;p=ginac.git

diff --git a/configure.in b/configure.in
index 77fdcbef..26627588 100644
--- a/configure.in
+++ b/configure.in
@@ -19,7 +19,7 @@ dnl (don't we all *love* M4?)...
 
 GINACLIB_MAJOR_VERSION=0
 GINACLIB_MINOR_VERSION=9
-GINACLIB_MICRO_VERSION=2
+GINACLIB_MICRO_VERSION=4
 GINACLIB_INTERFACE_AGE=1
 GINACLIB_BINARY_AGE=1
 GINACLIB_VERSION=$GINACLIB_MAJOR_VERSION.$GINACLIB_MINOR_VERSION.$GINACLIB_MICRO_VERSION
@@ -103,12 +103,17 @@ GINSH_LIBS=$LIBS
 LIBS=$save_LIBS
 AC_SUBST(GINSH_LIBS)
 
-dnl Make sure all the necessary new-style headers are installed on the system.
-dnl If one of them cannot be found the system is probably not ANSI-conform
-dnl enough so trying the .h-style headers is a waste of time.
-AC_CHECK_HEADERS(iostream vector map string list typeinfo iterator stdexcept algorithm, ,
-  AC_MSG_ERROR(need to have ANSI compliant headers))
-AC_CHECK_HEADERS(sstream strstream)
+dnl Make sure all the necessary standard headers are installed on the system.
+AC_CHECK_HEADER(iosfwd, , GINAC_ERROR([The standard <iosfwd> header file could not be found.]))
+AC_CHECK_HEADER(iostream, , GINAC_ERROR([The standard <iostream> header file could not be found.]))
+AC_CHECK_HEADER(vector, , GINAC_ERROR([The standard <vector> header file could not be found.]))
+AC_CHECK_HEADER(list, , GINAC_ERROR([The standard <list> header file could not be found.]))
+AC_CHECK_HEADER(map, , GINAC_ERROR([The standard <map> header file could not be found.]))
+AC_CHECK_HEADER(string, , GINAC_ERROR([The standard <string> header file could not be found.]))
+AC_CHECK_HEADER(sstream, , GINAC_ERROR([The standard <sstream> header file could not be found.]))
+AC_CHECK_HEADER(typeinfo, , GINAC_ERROR([The standard <typeinfo> header file could not be found.]))
+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.]))
 
 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,