[PATCH] Improve normalisation of negative exponents.

[ginac.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 3c2311b6f15e673d47492d8cec5ea2ed973035bb..3529a65ec91f6b6796fa24c60d1b5eaf56d7e873 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -11,7 +11,7 @@ m4_define([ginac_lt_current], GINAC_GET_LTVERSION([CURRENT]))
 m4_define([ginac_lt_age], GINAC_GET_LTVERSION([AGE]))
 m4_define([ginac_lt_revision], GINAC_GET_LTVERSION([REVISION]))
 
-AC_INIT([GiNaC], ginac_version, [ginac-list@ginac.de], [ginac], [http://www.ginac.de/])
+AC_INIT([GiNaC], ginac_version, [ginac-list@ginac.de], [ginac], [https://www.ginac.de/])
 AC_PREREQ(2.59)
 AC_CONFIG_SRCDIR(ginac/basic.cpp)
 AC_CONFIG_AUX_DIR([config])
@@ -60,9 +60,8 @@ AC_CHECK_HEADERS(unistd.h)
 GINAC_HAVE_RUSAGE
 GINAC_READLINE
 dnl Python is necessary for building function.{cpp,h}
-AC_PATH_PROG(PYTHON, python, "")
-AS_IF([test -z "$PYTHON" -a ! -f "$srcdir/ginac/function.cpp"],
-      [AC_MSG_ERROR([GiNaC will not compile because Python is missing])])
+AM_PATH_PYTHON([2.7],,
+               [AC_MSG_ERROR([GiNaC will not compile because Python is missing])])
 
 dnl Check for dl library (needed for GiNaC::compile).
 GINAC_EXCOMPILER