dnl into a generic directory like /usr/local/include/. Instead, one should put
dnl them into a subdirectory. GiNaC does it, NTL does it. Unfortunately, CLN
dnl doesn't do so but some people choose to do it by hand. In these cases we
-dnl need to #include <CLN/cln.h>, otherwise #include <cln.h>. This macro
+dnl need to #include <cln/cln.h>, otherwise #include <cln.h>. This macro
dnl tries to be clever and find out the correct way by defining the variable
dnl HAVE_CLN_CLN_H in config.h:
AC_DEFUN(GINAC_CHECK_CLN_H,
[AC_PROVIDE([$0])
- AC_CHECK_HEADERS(CLN/cln.h, ,
+ AC_CHECK_HEADERS(cln/cln.h, ,
AC_CHECK_HEADERS(cln.h, ,
AC_MSG_ERROR([cannot find header for Bruno Haible's CLN]);
)
dnl more fundamental AC_TRY_LINK instead.
AC_DEFUN(GINAC_CHECK_LIBCLN,
[AC_PROVIDE([$0])
- AC_MSG_CHECKING([how to link with libcln])
+ AC_MSG_CHECKING([for doublefactorial in -lcln])
saved_LIBS="${LIBS}"
AC_CACHE_VAL(ginac_cv_lib_cln_link,
[LIBS="-lcln"
- case "${ac_cv_header_CLN_cln_h}" in
+ case "${ac_cv_header_cln_cln_h}" in
"yes")
- AC_TRY_LINK([#include <CLN/cln.h>],
- [factorial(1);],
+ AC_TRY_LINK([#include <cln/cl_integer.h>],
+ [doublefactorial(2);],
ginac_cv_lib_cln_link="-lcln",
ginac_cv_lib_cln_link="fail")
;;
*)
- AC_TRY_LINK([#include <cln.h>],
- [factorial(1);],
+ AC_TRY_LINK([#include <cl_integer.h>],
+ [doublefactorial(2);],
ginac_cv_lib_cln_link="-lcln",
ginac_cv_lib_cln_link="fail")
;;
case "${ginac_cv_lib_cln_link}" in
dnl linking worked:
"-lcln")
- LIBS="-lcln ${saved_LIBS}"
- AC_MSG_RESULT([-lcln])
- GINAC_CHECK_LIBCLN_SANITY
+ LIBS="${ginac_cv_lib_cln_link} ${saved_LIBS}"
+ AC_MSG_RESULT("yes")
;;
dnl linking failed:
"fail")
LIBS="${saved_LIBS}"
- AC_MSG_RESULT([])
- AC_MSG_ERROR([linking with libcln failed, maybe need to set \$LDFLAGS?])
- ;;
-dnl should never ever get here:
- *)
- LIBS="${saved_LIBS}"
+ AC_MSG_RESULT([no])
+ GINAC_ERROR([I could not successfully link a test-program against libcln.
+ You either need to set \$LDFLAGS or install/update the CLN library.])
;;
esac
])
-dnl Check if the CLN library suits our needs, i.e. if it is new enough, by
-dnl trying to run into a little bug which was present till version 1.0.1 and
-dnl then removed.
-AC_DEFUN(GINAC_CHECK_LIBCLN_SANITY,
- [AC_PROVIDE([$0])
- AC_MSG_CHECKING([whether libcln behaves sane])
- AC_CACHE_VAL(ginac_cv_lib_cln_integrity,
- [
- case "${ac_cv_header_CLN_cln_h}" in
- "yes")
- AC_TRY_RUN([#include <CLN/cln.h>
-int main() {
-cl_RA q(3); q = q/2; cl_RA p(3); p = p/2;
-if (q+p != 3) return 1; else return 0;
-}],
- ginac_cv_lib_cln_integrity="sane",
- ginac_cv_lib_cln_integrity="insane",
- ginac_cv_lib_cln_integrity="guessing sane")
- ;;
- *)
- AC_TRY_RUN([#include <cln.h>
-int main() {
-cl_RA q(3); q = q/2; cl_RA p(3); p = p/2;
-if (q+p != 3) return 1; else return 0;
-}],
- ginac_cv_lib_cln_integrity="sane",
- ginac_cv_lib_cln_integrity="insane",
- ginac_cv_lib_cln_integrity="guessing sane")
- ;;
- esac
- ])
- case "${ginac_cv_lib_cln_integrity}" in
-dnl exit status was 0:
- "sane")
- AC_MSG_RESULT([yes])
- ;;
-dnl exit status was not 0:
- "insane")
- AC_MSG_RESULT([no])
- AC_MSG_WARN([maybe version of libcln is older than 1.0.2?])
- ;;
-dnl test-program was not run because we are cross-compiling:
- "guessing sane")
- AC_MSG_RESULT([hopefully])
- ;;
-dnl should never ever get here:
- *)
- AC_MSG_WARN([you found a bug in the configure script!])
- ;;
- esac
+dnl Usage: GINAC_TERMCAP
+dnl libreadline is based on the termcap functions.
+dnl Some systems have tgetent(), tgetnum(), tgetstr(), tgetflag(), tputs(),
+dnl tgoto() in libc, some have it in libtermcap, some have it in libncurses.
+dnl When both libtermcap and libncurses exist, we prefer the latter, because
+dnl libtermcap is being phased out.
+AC_DEFUN(GINAC_TERMCAP,
+[LIBTERMCAP=
+AC_CHECK_FUNCS(tgetent)
+if test "x$ac_cv_func_tgetent" = "xyes"; then
+ :
+else
+ AC_CHECK_LIB(ncurses, tgetent, LIBTERMCAP="-lncurses")
+ if test -z "$LIBTERMCAP"; then
+ AC_CHECK_LIB(termcap, tgetent, LIBTERMCAP="-ltermcap")
+ fi
+fi
+AC_SUBST(LIBTERMCAP)
])
+dnl Usage: GINAC_ERROR(message)
+dnl This macro displays the warning "message" and sets the flag ginac_error
+dnl to yes.
+AC_DEFUN(GINAC_ERROR,[
+ginac_error_txt="$ginac_error_txt
+** $1
+"
+ginac_error=yes])
+
+dnl Usage: GINAC_WARNING(message)
+dnl This macro displays the warning "message" and sets the flag ginac_warning
+dnl to yes.
+AC_DEFUN(GINAC_WARNING,[
+ginac_warning_txt="$ginac_warning_txt
+== $1
+"
+ginac_warning=yes])
+
+dnl Usage: GINAC_CHECK_ERRORS
+dnl (preferably to be put at end of configure.in)
+dnl This macro displays a warning message if GINAC_ERROR or GINAC_WARNING
+dnl has occured previously.
+AC_DEFUN(GINAC_CHECK_ERRORS,[
+if test "x${ginac_error}" = "xyes"; then
+ echo "**** The following problems have been detected by configure."
+ echo "**** Please check the messages below before running \"make\"."
+ echo "**** (see the section 'Common Problems' in the INSTALL file)"
+ echo "$ginac_error_txt"
+ if test "x${ginac_warning_txt}" != "x"; then
+ echo "${ginac_warning_txt}"
+ fi
+ echo "deleting cache ${cache_file}"
+ rm -f $cache_file
+ else
+ if test x$ginac_warning = xyes; then
+ echo "=== The following minor problems have been detected by configure."
+ echo "=== Please check the messages below before running \"make\"."
+ echo "=== (see the section 'Common Problems' in the INSTALL file)"
+ echo "$ginac_warning_txt"
+ fi
+ echo "Configuration of GiNaC $VERSION done. Now type \"make\"."
+fi])
+
# Like AC_CONFIG_HEADER, but automatically create stamp file.
AC_DEFUN(AM_CONFIG_HEADER,
LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" \
DLLTOOL="$DLLTOOL" AS="$AS" OBJDUMP="$OBJDUMP" \
${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \
-$libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \
+$libtool_flags --no-verify $ac_aux_dir/ltmain.sh $lt_target \
|| AC_MSG_ERROR([libtool configure failed])
# Reload cache, that may have been modified by ltconfig
AC_REQUIRE([AC_PROG_LN_S])dnl
dnl
+case "$target" in
+NONE) lt_target="$host" ;;
+*) lt_target="$target" ;;
+esac
+
# Check for any special flags to pass to ltconfig.
libtool_flags="--cache-file=$cache_file"
test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
# Some flags need to be propagated to the compiler or linker for good
# libtool support.
-case "$host" in
+case "$lt_target" in
*-*-irix6*)
# Find out which ABI we are using.
echo '[#]line __oline__ "configure"' > conftest.$ac_ext
AC_MSG_RESULT(no)
fi
test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
-AC_SUBST(LD)
AC_PROG_LD_GNU
])
fi])
NM="$ac_cv_path_NM"
AC_MSG_RESULT([$NM])
-AC_SUBST(NM)
])
# AC_CHECK_LIBM - check for math library
AC_DEFUN(AC_CHECK_LIBM,
[AC_REQUIRE([AC_CANONICAL_HOST])dnl
LIBM=
-case "$host" in
+case "$lt_target" in
*-*-beos* | *-*-cygwin*)
# These system don't have libm
;;
git://www.ginac.de / ginac.git / blobdiff