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##########################################################################
# #
# autoconf input for Objective Caml programs #
# Copyright (C) 2001 Jean-Christophe Filli�tre #
# from a first script by Georges Mariano #
# #
# Script modified by Julien Signoles for the Calendar library. #
# #
# This library is free software; you can redistribute it and/or #
# modify it under the terms of the GNU Library General Public #
# License version 2, as published by the Free Software Foundation. #
# #
# This library is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. #
# #
# See the GNU Library General Public License version 2 for more #
# details (see <http://www.gnu.org/licenses/>). #
# #
##########################################################################
# the script generated by autoconf from this input will set the following
# variables:
# OCAMLC "ocamlc" if present in the path, or a failure
# or "ocamlc.opt" if present with same version number as ocamlc
# OCAMLOPT "ocamlopt" (or "ocamlopt.opt" if present), or "no"
# OCAMLBEST either "byte" if no native compiler was found,
# or "opt" otherwise
# OCAMLDEP "ocamldep"
# OCAMLLIB the path to the ocaml standard library
# OCAMLFIND "ocamlfind"
# OCAMLVERSION the ocaml version number
# OCAMLDOC "ocamldoc" or "ocamldoc.opt" (not mandatory)
# OCAMLWEB "ocamlweb" (not mandatory)
# OCAMLWC "ocamlwc" (not mandatory)
# OCAMLDOT "ocamldot" (not mandatory)
# check for one particular file of the sources
# ADAPT THE FOLLOWING LINE TO YOUR SOURCES!
AC_INIT(src/date.ml)
# Check for Ocaml compilers
# we first look for ocamlc in the path; if not present, we fail
AC_CHECK_PROG(OCAMLC,ocamlc,ocamlc,no)
if test "$OCAMLC" = no ; then
AC_MSG_ERROR(Cannot find ocamlc.)
fi
# we extract Ocaml version number and library path: ocaml 3.09.1 is required
OCAMLVERSION=`$OCAMLC -v | sed -n -e 's|.*version *\(.*\)$|\1|p' `
echo $ECHO_N "ocaml version is $OCAMLVERSION: $ECHO_C"
case $OCAMLVERSION in
3.09.**) OCAMLMAJOR=3; echo "${ECHO_T}Good!";;
3.09*) OCAMLMAJOR=3; echo "${ECHO_T}Warning: unsupported version. Compile at your own risks";;
3.0*) echo "${ECHO_T}Unsupported version!"; exit 2;;
3.*) OCAMLMAJOR=3; echo "${ECHO_T}Good!";;
4.*) OCAMLMAJOR=4; echo "${ECHO_T}Good!";;
*) echo "${ECHO_T}Unsupported version!"; exit 2;;
esac
OCAMLLIB=`$OCAMLC -where | tr -d '\r'`
echo "ocaml library path is $OCAMLLIB"
# then we look for ocamlopt; if not present, we issue a warning
# if the version is not the same, we also discard it
# we set OCAMLBEST to "opt" or "byte", whether ocamlopt is available or not
AC_CHECK_PROG(OCAMLOPT,ocamlopt,ocamlopt,no)
OCAMLBEST=byte
if test "$OCAMLOPT" = no ; then
AC_MSG_WARN(Cannot find ocamlopt; bytecode compilation only.)
else
AC_MSG_CHECKING(ocamlopt version)
TMPVERSION=`$OCAMLOPT -v | sed -n -e 's|.*version *\(.*\)$|\1|p' `
if test "$TMPVERSION" != "$OCAMLVERSION" ; then
AC_MSG_RESULT(differs from ocamlc; ocamlopt discarded.)
OCAMLOPT=no
else
AC_MSG_RESULT(ok)
OCAMLBEST=opt
fi
fi
# checking for ocamlc.opt
AC_CHECK_PROG(OCAMLCDOTOPT,ocamlc.opt,ocamlc.opt,no)
if test "$OCAMLCDOTOPT" != no ; then
AC_MSG_CHECKING(ocamlc.opt version)
TMPVERSION=`$OCAMLCDOTOPT -v | sed -n -e 's|.*version *\(.*\)$|\1|p' `
if test "$TMPVERSION" != "$OCAMLVERSION" ; then
AC_MSG_RESULT(differs from ocamlc; ocamlc.opt discarded.)
else
AC_MSG_RESULT(ok)
OCAMLC=$OCAMLCDOTOPT
fi
fi
# checking for ocamlopt.opt
if test "$OCAMLOPT" != no ; then
AC_CHECK_PROG(OCAMLOPTDOTOPT,ocamlopt.opt,ocamlopt.opt,no)
if test "$OCAMLOPTDOTOPT" != no ; then
AC_MSG_CHECKING(ocamlc.opt version)
TMPVER=`$OCAMLOPTDOTOPT -v | sed -n -e 's|.*version *\(.*\)$|\1|p' `
if test "$TMPVER" != "$OCAMLVERSION" ; then
AC_MSG_RESULT(differs from ocamlc; ocamlopt.opt discarded.)
else
AC_MSG_RESULT(ok)
OCAMLOPT=$OCAMLOPTDOTOPT
fi
fi
fi
# ocamldep and ocamlfind should also be present in the path
AC_CHECK_PROG(OCAMLDEP,ocamldep,ocamldep,no)
if test "$OCAMLDEP" = no ; then
AC_MSG_ERROR(Cannot find ocamldep.)
fi
AC_CHECK_PROG(OCAMLFIND,ocamlfind,ocamlfind,no)
if test "$OCAMLFIND" = no ; then
AC_MSG_ERROR(Cannot find ocamlfind.)
fi
# Not mandatory tools
AC_CHECK_PROG(OCAMLDOC,ocamldoc,ocamldoc,true)
if test "$OCAMLDOC" = true ; then
AC_MSG_WARN(Cannot find ocamldoc)
# JS: documentation generator does not work with ocamldoc.opt :(
#else
# AC_CHECK_PROG(OCAMLDOCOPT,ocamldoc.opt,ocamldoc.opt,no)
# if test "$OCAMLDOCOPT" != no ; then
# OCAMLDOC=$OCAMLDOCOPT
# fi
fi
AC_CHECK_PROG(OCAMLWEB,ocamlweb,ocamlweb,ocamlweb)
AC_CHECK_PROG(OCAMLWC,ocamlwc,ocamlwc,ocamlwc)
AC_CHECK_PROG(OCAMLDOT,ocamldot,ocamldot,ocamldot)
# platform
AC_MSG_CHECKING(platform)
#if echo "let _ = Sys.os_type" | ocaml | grep -q Win32; then
if test -z "$system" ; then
system=`ocamlc -config 2>/dev/null|grep system|sed 's/system: //'`
AC_MSG_RESULT(${system})
# This may be
# - mingw
# - win32
# - win64
# - cygwin
# - some other string means Unix
# - empty means ocamlc does not support -config
fi
use_cygpath=0
case "$system" in
mingw) use_cygpath=1;;
win32) use_cygpath=1;;
win64) use_cygpath=1;;
esac
if test ${use_cygpath} -gt 0 ; then
OCAMLDEP="${OCAMLDEP} -slash"
fi
# extension for object and library files
AC_MSG_CHECKING(extension for object files)
OBJEXT=`ocamlc -config 2>/dev/null|grep ext_obj|sed 's/ext_obj: //'`
AC_MSG_RESULT(${OBJEXT})
AC_MSG_CHECKING(extension for library files)
LIBEXT=`ocamlc -config 2>/dev/null|grep ext_lib|sed 's/ext_lib: //'`
AC_MSG_RESULT(${LIBEXT})
# Checking workable native dynlink
HAS_NATDYNLINK=no
AC_CHECK_FILE(${OCAMLLIB}/dynlink.cmxa,HAS_NATDYNLINK=yes,HAS_NATDYNLINK=no)
if test "$HAS_NATDYNLINK" != "no" ; then
echo "let f x y = Dynlink.loadfile \"foo\"; ignore (Dynlink.is_native); abs_float (x -. y)" > test_dynlink.ml
if ($OCAMLOPT -shared -linkall -o test_dynlink.cmxs test_dynlink.ml) \
2> /dev/null ; \
then
HAS_NATDYNLINK=yes
AC_MSG_RESULT([native dynlink works fine. Great.])
else
HAS_NATDYNLINK=no
AC_MSG_WARN([native dynlink does not work on your platform. Disabled.])
fi
rm -f test_dynlink.*
fi
# substitutions to perform
AC_SUBST(OCAMLC)
AC_SUBST(OCAMLOPT)
AC_SUBST(OCAMLDEP)
AC_SUBST(OCAMLFIND)
AC_SUBST(OCAMLBEST)
AC_SUBST(OCAMLMAJOR)
AC_SUBST(OCAMLLIB)
AC_SUBST(OCAMLDOC)
AC_SUBST(OCAMLWEB)
AC_SUBST(OCAMLWC)
AC_SUBST(OCAMLDOT)
AC_SUBST(OBJEXT)
AC_SUBST(LIBEXT)
AC_SUBST(HAS_NATDYNLINK)
# Finally create the Makefile from Makefile.in
AC_OUTPUT(Makefile)
chmod a-w Makefile
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