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# check for one particular file of the sources. Keep the version in sync
# with src/magic.mli
AC_INIT(ocaml-magic, 0.7.3, chris_77@users.sourceforge.net)
VERSION=$PACKAGE_VERSION
AC_MSG_RESULT([configuring $PACKAGE_STRING])
OCAMLFIND_LDCONF=""
AC_ARG_ENABLE([ldconf], AC_HELP_STRING([--disable-ldconf],[don't modify the dynamic loader configuration file (default is enable)]),[ac_enable_ldconf=$enableval],[ac_enable_ldconf=$enableval],[ac_enable_ldconf=yes])
if test "$ac_enable_ldconf" = no ; then
AC_MSG_RESULT([disabling modification of ld.conf])
OCAMLFIND_LDCONF=dummy
fi
# Check for Ocaml compilers
# we first look for ocamlc in the path; if not present, we fail
AC_CHECK_PROG(OCAMLC,ocamlc,`which ocamlc`,no)
if test "$OCAMLC" = no ; then
AC_MSG_ERROR(Cannot find ocamlc.)
fi
# we look for the directory of ocamlc in $OCAMLC
OCAMLBIN=`dirname $OCAMLC`
# we extract Ocaml version number and library path
OCAMLVERSION=`$OCAMLC -v | sed -n -e 's|.*version* *\(.*\)$|\1|p' `
echo "ocaml version is $OCAMLVERSION"
OCAMLLIB=`$OCAMLC -v | tail -n 1 | cut -f 4 -d " "`
echo "ocaml library path is $OCAMLLIB"
# then we look for ocamlopt; if not present, we issue a warning
# if the version is not the same, we also discard it
# we set OCAMLBEST to "opt" or "byte", whether ocamlopt is available or not
AC_PATH_PROG(OCAMLOPT,ocamlopt,no)
OCAMLBEST=byte
if test "$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" != "$OCAMLVERSION" ; then
AC_MSG_RESULT(differs from ocamlc; ocamlopt discarded.)
OCAMLOPT=no
else
AC_MSG_RESULT(ok)
OCAMLBEST=opt
fi
fi
# checking for ocamlc.opt
AC_PATH_PROG(OCAMLCDOTOPT,ocamlc.opt,no)
if test "$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 "$OCAMLOPT" != no ; then
AC_PATH_PROG(OCAMLOPTDOTOPT,ocamlopt.opt,no)
if test "$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_PATH_PROG(OCAMLDEP,ocamldep,no)
if test "$OCAMLDEP" = no ; then
AC_MSG_ERROR(Cannot find ocamldep.)
fi
AC_PATH_PROG(OCAMLDOC,ocamldoc,no)
AC_PATH_PROG(OCAMLFIND,ocamlfind,no)
if test "$OCAMLFIND" = no ; then
AC_MSG_ERROR(Cannot find ocamlfind.)
fi
CAMLLIBPATH=`$OCAMLC -where`
AC_PROG_CC()
# libmagic detection (put in CLIB)
AC_MSG_CHECKING([for libmagic])
LIBS="$LIBS -lmagic"
AC_TRY_LINK([#include <magic.h>],
[magic_open(MAGIC_NONE)],
[AC_MSG_RESULT([found]); CLIBS="$CLIBS magic"],
[AC_MSG_ERROR([Check for magic-library failed.])])
if test "$OCAMLOPT" = no ; then
BEST=byte
else
BEST="byte opt"
fi
AC_CHECK_FUNCS(strerror_r,
[CFLAGS="$CFLAGS -DHAVE_STRERROR_R"])
# substitutions to perform
AC_SUBST(VERSION)
AC_SUBST(OCAMLC)
AC_SUBST(OCAMLOPT)
AC_SUBST(OCAMLDEP)
AC_SUBST(OCAMLBEST)
AC_SUBST(OCAMLVERSION)
AC_SUBST(OCAMLLIB)
AC_SUBST(OCAMLBIN)
AC_SUBST(OCAMLDOC)
AC_SUBST(OCAMLFIND)
AC_SUBST(OCAMLFIND_LDCONF)
AC_SUBST(OCAMLCP)
AC_SUBST(CAMLLIBPATH)
AC_SUBST(BEST)
AC_SUBST(INC)
AC_SUBST(CLIBS)
AC_SUBST(CFLAGS)
AC_SUBST(requires)
all_requires="`ocamlfind query -r -separator " " -format "%p" $requires` $_requires"
AC_SUBST(all_requires)
# Finally create the Makefile and samples
AC_CONFIG_FILES([Makefile],[chmod a-w Makefile])
AC_CONFIG_FILES([src/META])
AC_CONFIG_FILES([src/Makefile])
AC_CONFIG_FILES([examples/Makefile])
AC_OUTPUT
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