X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=configure.ac;h=550214817ea51ab91103c94ba379134c843c0dcc;hp=32ba148517f59130c3a098c16beb5491fdd973b2;hb=9c577d1ff8a40e821d214ce875587edfd4325f23;hpb=e937cf43540a47c8163a3f590b2415487a7b8f0a

diff --git a/configure.ac b/configure.ac
index 32ba1485..55021481 100644
--- a/configure.ac
+++ b/configure.ac
@@ -11,8 +11,8 @@ 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], [https://www.ginac.de/])
-AC_PREREQ(2.59)
+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])
 AC_CONFIG_HEADERS([config/config.h])
@@ -28,8 +28,8 @@ dnl Check for the compiler and all the utilities needed for the build.
 AC_PROG_CXX
 AC_PROG_CXXCPP
 AC_PROG_INSTALL
-AM_PROG_LIBTOOL
-AC_PROG_LEX
+LT_INIT
+AC_PROG_LEX([yywrap])
 AC_PROG_YACC
 AC_PATH_PROG(YACCEXE, $YACC, "")
 AS_IF([test "x$LEX" = "x:" -a ! -f $srcdir/ginsh/ginsh_lexer.cpp],
@@ -41,9 +41,6 @@ dnl Switch to C++ language mode for the following libraries and headers.
 AC_LANG([C++])
 AX_CXX_COMPILE_STDCXX([11])
 
-dnl Make sure all the necessary standard headers are installed on the system.
-GINAC_STD_CXX_HEADERS
-
 dnl We need to have CLN installed.
 PKG_CHECK_MODULES(CLN, cln >= 1.2.2)
 AC_LIB_LINKFLAGS_FROM_LIBS([CLN_RPATH], [$CLN_LIBS])
@@ -59,10 +56,9 @@ dnl Check for stuff needed for building the GiNaC interactive shell (ginsh).
 AC_CHECK_HEADERS(unistd.h)
 GINAC_HAVE_RUSAGE
 GINAC_READLINE
-dnl Python3 is necessary for building function.{cpp,h}
-AC_PATH_PROG(PYTHON3, python3, "")
-AS_IF([test -z "$PYTHON3" -a ! -f "$srcdir/ginac/function.cpp"],
-      [AC_MSG_ERROR([GiNaC will not compile because Python3 is missing])])
+dnl Python is necessary for building function.{cpp,h}
+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