diff options
Diffstat (limited to 'm4/init.m4')
| -rw-r--r-- | m4/init.m4 | 109 |
1 files changed, 83 insertions, 26 deletions
@@ -2,31 +2,88 @@ # some checks are only needed if your package does certain things. # But this isn't really a big deal. -# serial 1 - -dnl Usage: -dnl AM_INIT_AUTOMAKE(package,version, [no-define]) - -AC_DEFUN(AM_INIT_AUTOMAKE, -[AC_REQUIRE([AC_PROG_INSTALL]) -PACKAGE=[$1] -AC_SUBST(PACKAGE) -VERSION=[$2] -AC_SUBST(VERSION) -dnl test to see if srcdir already configured -if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then - AC_MSG_ERROR([source directory already configured; run "make distclean" there first]) +# serial 5 + +# There are a few dirty hacks below to avoid letting `AC_PROG_CC' be +# written in clear, in which case automake, when reading aclocal.m4, +# will think it sees a *use*, and therefore will trigger all it's +# C support machinery. Also note that it means that autoscan, seeing +# CC etc. in the Makefile, will ask for an AC_PROG_CC use... + + +# We require 2.13 because we rely on SHELL being computed by configure. +AC_PREREQ([2.13]) + +# AC_PROVIDE_IFELSE(MACRO-NAME, IF-PROVIDED, IF-NOT-PROVIDED) +# ----------------------------------------------------------- +# If MACRO-NAME is provided do IF-PROVIDED, else IF-NOT-PROVIDED. +# The purpose of this macro is to provide the user with a means to +# check macros which are provided without letting her know how the +# information is coded. +# If this macro is not defined by Autoconf, define it here. +ifdef([AC_PROVIDE_IFELSE], + [], + [define([AC_PROVIDE_IFELSE], + [ifdef([AC_PROVIDE_$1], + [$2], [$3])])]) + + +# AM_INIT_AUTOMAKE(PACKAGE,VERSION, [NO-DEFINE]) +# ---------------------------------------------- +AC_DEFUN([AM_INIT_AUTOMAKE], +[AC_REQUIRE([AC_PROG_INSTALL])dnl +# test to see if srcdir already configured +if test "`CDPATH=:; cd $srcdir && pwd`" != "`pwd`" && + test -f $srcdir/config.status; then + AC_MSG_ERROR([source directory already configured; run \"make distclean\" there first]) fi + +# Define the identity of the package. +PACKAGE=$1 +AC_SUBST(PACKAGE)dnl +VERSION=$2 +AC_SUBST(VERSION)dnl ifelse([$3],, -AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Package name]) -AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Package version])) -AC_REQUIRE([AM_SANITY_CHECK]) -AC_REQUIRE([AC_ARG_PROGRAM]) -dnl FIXME This is truly gross. -missing_dir=`cd $ac_aux_dir && pwd` -AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir) -AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir) -AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir) -AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir) -AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir) -AC_REQUIRE([AC_PROG_MAKE_SET])]) +[AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package]) +AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])]) + +# Autoconf 2.50 wants to disallow AM_ names. We explicitly allow +# the ones we care about. +ifdef([m4_pattern_allow], + [m4_pattern_allow([^AM_[A-Z]+FLAGS])])dnl + +# Autoconf 2.50 always computes EXEEXT. However we need to be +# compatible with 2.13, for now. So we always define EXEEXT, but we +# don't compute it. +AC_SUBST(EXEEXT) +# Similar for OBJEXT -- only we only use OBJEXT if the user actually +# requests that it be used. This is a bit dumb. +: ${OBJEXT=o} +AC_SUBST(OBJEXT) + +# Some tools Automake needs. +AC_REQUIRE([AM_SANITY_CHECK])dnl +AC_REQUIRE([AC_ARG_PROGRAM])dnl +AM_MISSING_PROG(ACLOCAL, aclocal) +AM_MISSING_PROG(AUTOCONF, autoconf) +AM_MISSING_PROG(AUTOMAKE, automake) +AM_MISSING_PROG(AUTOHEADER, autoheader) +AM_MISSING_PROG(MAKEINFO, makeinfo) +AM_MISSING_PROG(AMTAR, tar) +AM_PROG_INSTALL_SH +AM_PROG_INSTALL_STRIP +# We need awk for the "check" target. The system "awk" is bad on +# some platforms. +AC_REQUIRE([AC_PROG_AWK])dnl +AC_REQUIRE([AC_PROG_MAKE_SET])dnl +AC_REQUIRE([AM_DEP_TRACK])dnl +AC_REQUIRE([AM_SET_DEPDIR])dnl +AC_PROVIDE_IFELSE([AC_PROG_][CC], + [_AM_DEPENDENCIES(CC)], + [define([AC_PROG_][CC], + defn([AC_PROG_][CC])[_AM_DEPENDENCIES(CC)])])dnl +AC_PROVIDE_IFELSE([AC_PROG_][CXX], + [_AM_DEPENDENCIES(CXX)], + [define([AC_PROG_][CXX], + defn([AC_PROG_][CXX])[_AM_DEPENDENCIES(CXX)])])dnl +]) |