| 1 | # Do all the work for Automake. This macro actually does too much --
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| 2 | # some checks are only needed if your package does certain things.
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| 3 | # But this isn't really a big deal.
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| 4 |
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| 5 | # serial 5
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| 6 |
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| 7 | # There are a few dirty hacks below to avoid letting `AC_PROG_CC' be
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| 8 | # written in clear, in which case automake, when reading aclocal.m4,
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| 9 | # will think it sees a *use*, and therefore will trigger all it's
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| 10 | # C support machinery. Also note that it means that autoscan, seeing
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| 11 | # CC etc. in the Makefile, will ask for an AC_PROG_CC use...
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| 12 |
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| 13 |
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| 14 | # We require 2.13 because we rely on SHELL being computed by configure.
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| 15 | AC_PREREQ([2.13])
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| 16 |
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| 17 | # AC_PROVIDE_IFELSE(MACRO-NAME, IF-PROVIDED, IF-NOT-PROVIDED)
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| 18 | # -----------------------------------------------------------
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| 19 | # If MACRO-NAME is provided do IF-PROVIDED, else IF-NOT-PROVIDED.
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| 20 | # The purpose of this macro is to provide the user with a means to
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| 21 | # check macros which are provided without letting her know how the
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| 22 | # information is coded.
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| 23 | # If this macro is not defined by Autoconf, define it here.
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| 24 | ifdef([AC_PROVIDE_IFELSE],
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| 25 | [],
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| 26 | [define([AC_PROVIDE_IFELSE],
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| 27 | [ifdef([AC_PROVIDE_$1],
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| 28 | [$2], [$3])])])
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| 29 |
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| 30 |
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| 31 | # AM_INIT_AUTOMAKE(PACKAGE,VERSION, [NO-DEFINE])
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| 32 | # ----------------------------------------------
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| 33 | AC_DEFUN([AM_INIT_AUTOMAKE],
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| 34 | [AC_REQUIRE([AC_PROG_INSTALL])dnl
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| 35 | # test to see if srcdir already configured
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| 36 | if test "`CDPATH=:; cd $srcdir && pwd`" != "`pwd`" &&
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| 37 | test -f $srcdir/config.status; then
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| 38 | AC_MSG_ERROR([source directory already configured; run \"make distclean\" there first])
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| 39 | fi
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| 40 |
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| 41 | # Define the identity of the package.
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| 42 | PACKAGE=$1
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| 43 | AC_SUBST(PACKAGE)dnl
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| 44 | VERSION=$2
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| 45 | AC_SUBST(VERSION)dnl
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| 46 | ifelse([$3],,
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| 47 | [AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
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| 48 | AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])])
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| 49 |
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| 50 | # Autoconf 2.50 wants to disallow AM_ names. We explicitly allow
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| 51 | # the ones we care about.
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| 52 | ifdef([m4_pattern_allow],
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| 53 | [m4_pattern_allow([^AM_[A-Z]+FLAGS])])dnl
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| 54 |
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| 55 | # Autoconf 2.50 always computes EXEEXT. However we need to be
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| 56 | # compatible with 2.13, for now. So we always define EXEEXT, but we
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| 57 | # don't compute it.
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| 58 | AC_SUBST(EXEEXT)
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| 59 | # Similar for OBJEXT -- only we only use OBJEXT if the user actually
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| 60 | # requests that it be used. This is a bit dumb.
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| 61 | : ${OBJEXT=o}
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| 62 | AC_SUBST(OBJEXT)
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| 63 |
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| 64 | # Some tools Automake needs.
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| 65 | AC_REQUIRE([AM_SANITY_CHECK])dnl
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| 66 | AC_REQUIRE([AC_ARG_PROGRAM])dnl
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| 67 | AM_MISSING_PROG(ACLOCAL, aclocal)
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| 68 | AM_MISSING_PROG(AUTOCONF, autoconf)
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| 69 | AM_MISSING_PROG(AUTOMAKE, automake)
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| 70 | AM_MISSING_PROG(AUTOHEADER, autoheader)
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| 71 | AM_MISSING_PROG(MAKEINFO, makeinfo)
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| 72 | AM_MISSING_PROG(AMTAR, tar)
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| 73 | AM_PROG_INSTALL_SH
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| 74 | AM_PROG_INSTALL_STRIP
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| 75 | # We need awk for the "check" target. The system "awk" is bad on
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| 76 | # some platforms.
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| 77 | AC_REQUIRE([AC_PROG_AWK])dnl
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| 78 | AC_REQUIRE([AC_PROG_MAKE_SET])dnl
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| 79 | AC_REQUIRE([AM_DEP_TRACK])dnl
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| 80 | AC_REQUIRE([AM_SET_DEPDIR])dnl
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| 81 | AC_PROVIDE_IFELSE([AC_PROG_][CC],
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| 82 | [_AM_DEPENDENCIES(CC)],
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| 83 | [define([AC_PROG_][CC],
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| 84 | defn([AC_PROG_][CC])[_AM_DEPENDENCIES(CC)])])dnl
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| 85 | AC_PROVIDE_IFELSE([AC_PROG_][CXX],
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| 86 | [_AM_DEPENDENCIES(CXX)],
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| 87 | [define([AC_PROG_][CXX],
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| 88 | defn([AC_PROG_][CXX])[_AM_DEPENDENCIES(CXX)])])dnl
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| 89 | ])
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