Branch :
# Do all the work for Automake. This macro actually does too much --
# some checks are only needed if your package does certain things.
# But this isn't really a big deal.
# serial 2
# 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,
[dnl We require 2.13 because we rely on SHELL being computed by configure.
AC_PREREQ([2.13])dnl
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", [Name of package])
AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])])
# 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_MISSING_INSTALL_SH
dnl We need awk for the "check" target. The system "awk" is bad on
dnl 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
])