[BUGFIX] Prevent crashes in find_common_factor()

[ginac.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 6e4a4119d97cfadc8c7f59f09663d2e866b5bce5..0a178069acbc50747d9c1aad73b39183bcd1953f 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])
@@ -39,7 +39,7 @@ AS_IF([test -z "$YACCEXE" -a ! -f $srcdir/ginsh/ginsh_parser.hpp],
 
 dnl Switch to C++ language mode for the following libraries and headers.
 AC_LANG([C++])
-AX_CXX_COMPILE_STDCXX_11
+AX_CXX_COMPILE_STDCXX([11])
 
 dnl Make sure all the necessary standard headers are installed on the system.
 GINAC_STD_CXX_HEADERS
@@ -55,10 +55,6 @@ dnl actually works
 GINACLIB_LIBS='-L${libdir} -lginac'
 AC_LIB_LINKFLAGS_FROM_LIBS([GINACLIB_RPATH], [$GINACLIB_LIBS])
 
-dnl Check for data types which are needed by the hash function 
-dnl (golden_ratio_hash).
-AC_CHECK_TYPE(long long)
-
 dnl Check for stuff needed for building the GiNaC interactive shell (ginsh).
 AC_CHECK_HEADERS(unistd.h)
 GINAC_HAVE_RUSAGE