- rotate_31() and golden_hash_ratio() moved to utils.h

[ginac.git] / configure.in

diff --git a/configure.in b/configure.in
index 74227d16761854f3370c02afb5f20c631d89215b..7897fbe74ba6d36371c64bf33ac4ad1ac66522b8 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -61,9 +61,23 @@ AM_PROG_LIBTOOL
 AM_PROG_LEX
 AC_PROG_YACC
 
+dnl Check for data types which are needed by the hash function (golden_ratio_hash)
+AC_CHECK_SIZEOF(long, 4)
+AC_CHECK_SIZEOF(long long, 8)
+AC_CHECK_SIZEOF(long double, 12)
+
 dnl Switch to C++ language mode for the following libraries and headers:
 AC_LANG_CPLUSPLUS
 
+dnl Check for stuff needed for building the GiNaC interactive shell (ginsh):
+AC_CHECK_HEADERS(unistd.h)
+AC_CHECK_HEADERS(readline/readline.h readline/history.h)
+save_LIBS=$LIBS
+AC_CHECK_LIB(readline, readline)
+GINSH_LIBS=$LIBS
+LIBS=$save_LIBS
+AC_SUBST(GINSH_LIBS)
+
 dnl Make sure the following libraries work by testing for symbols therein. 
 dnl They are automatically added the the variable $LIBS and thus passed into
 dnl the Makefile:
@@ -75,15 +89,10 @@ dnl enough so trying the .h-style headers is a waste of time.
 AC_CHECK_HEADERS(iostream vector map string list typeinfo iterator strstream stdexcept algorithm, ,
     AC_MSG_ERROR(need to have ANSI compliant headers))
 
-dnl We need to have Bruno Haible's CLN installed (macros are in aclocal.m4):
+dnl We need to have Bruno Haible's CLN installed (macros are in acinclude.m4):
 GINAC_CHECK_CLN_H
 GINAC_CHECK_LIBCLN
 
-dnl Check for stuff needed for building the GiNaC interactive shell (ginsh):
-AC_CHECK_HEADERS(unistd.h)
-AC_CHECK_HEADERS(readline/readline.h readline/history.h)
-AC_CHECK_LIB(readline, readline)
-
 dnl Check for utilities needed by the different kinds of documentation.
 dnl Documantation needs only be built when extending it, so never mind if it
 dnl cannot find those helpers: