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# bibtex2html autoconf input
# check for one particular file of the sources
AC_INIT(bibtex.mli)
# Check for Ocaml compilers
# we first look for ocamlc in the path; if not present, we abort
AC_CHECK_PROG(OCAMLC,ocamlc,ocamlc,no)
if test "$OCAMLC" = no ; then
AC_MSG_ERROR(Cannot find ocamlc.)
fi
# we extract Ocaml version number and library path
OCAMLVERSION=`$OCAMLC -v | sed -n -e 's|.*version *\(.*\)$|\1|p' `
echo "ocaml version is $OCAMLVERSION"
OCAMLLIB=`$OCAMLC -v | tail -1 | cut -f 4 -d " "`
echo "ocaml library path is $OCAMLLIB"
case $OCAMLVERSION in
0.*|1.*|2.00|3.00*|3.01*|3.02*|3.03*|3.04*|3.05*|3.06*)
AC_MSG_ERROR(You need Objective 3.07 or later);;
esac
# then we look for ocamlopt; if not present, we issue a warning
# if the version is not the same, we also discard it
# we set OCAMLBEST to "opt" or "byte", whether ocamlopt is available or not
AC_CHECK_PROG(OCAMLOPT,ocamlopt,ocamlopt,no)
OCAMLBEST=byte
if test "$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
AC_CHECK_PROG(OCAMLLEX,ocamllex,ocamllex,no)
if test "$OCAMLLEX" = no ; then
AC_MSG_ERROR(Cannot find ocamllex.)
else
AC_CHECK_PROG(OCAMLLEXDOTOPT,ocamllex.opt,ocamllex.opt,no)
if test "$OCAMLLEXDOTOPT" != no ; then
OCAMLLEX=$OCAMLLEXDOTOPT
fi
fi
# ocamldep should also be present in the path
AC_CHECK_PROG(OCAMLDEP,ocamldep,ocamldep,no)
if test "$OCAMLC" = no ; then
AC_MSG_ERROR(Cannot find ocamldep.)
fi
# where is perl
AC_PATH_PROG(PERL,perl,/usr/bin/perl)
# platform
AC_MSG_CHECKING(platform)
if echo "let _ = Sys.os_type" | ocaml | grep -q Win32; then
AC_MSG_RESULT(Win32)
OCAMLWIN32=yes
EXE=.exe
else
OCAMLWIN32=no
EXE=
fi
# substitutions to perform
AC_SUBST(OCAMLC)
AC_SUBST(OCAMLOPT)
AC_SUBST(OCAMLDEP)
AC_SUBST(OCAMLLEX)
AC_SUBST(OCAMLBEST)
AC_SUBST(OCAMLVERSION)
AC_SUBST(OCAMLLIB)
AC_SUBST(PERL)
AC_SUBST(EXE)
# Finally create all the generated files
AC_OUTPUT(Makefile aux2bib)
chmod a+x aux2bib
chmod a-w Makefile
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