1 # Do all the work for Automake. -*- Autoconf -*-
3 # Copyright (C) 1996-2015 Free Software Foundation, Inc.
5 # This file is free software; the Free Software Foundation
6 # gives unlimited permission to copy and/or distribute it,
7 # with or without modifications, as long as this notice is preserved.
9 # This macro actually does too much. Some checks are only needed if
10 # your package does certain things. But this isn't really a big deal.
12 dnl Redefine AC_PROG_CC to automatically invoke _AM_PROG_CC_C_O.
13 m4_define([AC_PROG_CC],
18 # AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
19 # AM_INIT_AUTOMAKE([OPTIONS])
20 # -----------------------------------------------
21 # The call with PACKAGE and VERSION arguments is the old style
22 # call (pre autoconf-2.50), which is being phased out. PACKAGE
23 # and VERSION should now be passed to AC_INIT and removed from
24 # the call to AM_INIT_AUTOMAKE.
25 # We support both call styles for the transition. After
26 # the next Automake release, Autoconf can make the AC_INIT
27 # arguments mandatory, and then we can depend on a new Autoconf
28 # release and drop the old call support.
29 AC_DEFUN([AM_INIT_AUTOMAKE],
31 dnl Autoconf wants to disallow AM_ names. We explicitly allow
32 dnl the ones we care about.
33 m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
34 AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
35 AC_REQUIRE([AC_PROG_INSTALL])dnl
36 if test "`cd $srcdir && pwd`" != "`pwd`"; then
37 # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
38 # is not polluted with repeated "-I."
39 AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl
40 # test to see if srcdir already configured
41 if test -f $srcdir/config.status; then
42 AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
46 # test whether we have cygpath
47 if test -z "$CYGPATH_W"; then
48 if (cygpath --version) >/dev/null 2>/dev/null; then
49 CYGPATH_W='cygpath -w'
56 # Define the identity of the package.
57 dnl Distinguish between old-style and new-style calls.
59 [AC_DIAGNOSE([obsolete],
60 [$0: two- and three-arguments forms are deprecated.])
61 m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
62 AC_SUBST([PACKAGE], [$1])dnl
63 AC_SUBST([VERSION], [$2])],
64 [_AM_SET_OPTIONS([$1])dnl
65 dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
67 m4_ifdef([AC_PACKAGE_NAME], [ok]):m4_ifdef([AC_PACKAGE_VERSION], [ok]),
69 [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
70 AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
71 AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
73 _AM_IF_OPTION([no-define],,
74 [AC_DEFINE_UNQUOTED([PACKAGE], ["$PACKAGE"], [Name of package])
75 AC_DEFINE_UNQUOTED([VERSION], ["$VERSION"], [Version number of package])])dnl
77 # Some tools Automake needs.
78 AC_REQUIRE([AM_SANITY_CHECK])dnl
79 AC_REQUIRE([AC_ARG_PROGRAM])dnl
80 AM_MISSING_PROG([ACLOCAL], [aclocal-${am__api_version}])
81 AM_MISSING_PROG([AUTOCONF], [autoconf])
82 AM_MISSING_PROG([AUTOMAKE], [automake-${am__api_version}])
83 AM_MISSING_PROG([AUTOHEADER], [autoheader])
84 AM_MISSING_PROG([MAKEINFO], [makeinfo])
85 AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
86 AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
87 AC_REQUIRE([AC_PROG_MKDIR_P])dnl
88 # For better backward compatibility. To be removed once Automake 1.9.x
89 # dies out for good. For more background, see:
90 # <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
91 # <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
92 AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
93 # We need awk for the "check" target (and possibly the TAP driver). The
94 # system "awk" is bad on some platforms.
95 AC_REQUIRE([AC_PROG_AWK])dnl
96 AC_REQUIRE([AC_PROG_MAKE_SET])dnl
97 AC_REQUIRE([AM_SET_LEADING_DOT])dnl
98 _AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
99 [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
100 [_AM_PROG_TAR([v7])])])
101 _AM_IF_OPTION([no-dependencies],,
102 [AC_PROVIDE_IFELSE([AC_PROG_CC],
103 [_AM_DEPENDENCIES([CC])],
104 [m4_define([AC_PROG_CC],
105 m4_defn([AC_PROG_CC])[_AM_DEPENDENCIES([CC])])])dnl
106 AC_PROVIDE_IFELSE([AC_PROG_CXX],
107 [_AM_DEPENDENCIES([CXX])],
108 [m4_define([AC_PROG_CXX],
109 m4_defn([AC_PROG_CXX])[_AM_DEPENDENCIES([CXX])])])dnl
110 AC_PROVIDE_IFELSE([AC_PROG_OBJC],
111 [_AM_DEPENDENCIES([OBJC])],
112 [m4_define([AC_PROG_OBJC],
113 m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl
114 AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
115 [_AM_DEPENDENCIES([OBJCXX])],
116 [m4_define([AC_PROG_OBJCXX],
117 m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])dnl
119 AC_REQUIRE([AM_SILENT_RULES])dnl
120 dnl The testsuite driver may need to know about EXEEXT, so add the
121 dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen. This
122 dnl macro is hooked onto _AC_COMPILER_EXEEXT early, see below.
123 AC_CONFIG_COMMANDS_PRE(dnl
124 [m4_provide_if([_AM_COMPILER_EXEEXT],
125 [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
127 # POSIX will say in a future version that running "rm -f" with no argument
128 # is OK; and we want to be able to make that assumption in our Makefile
129 # recipes. So use an aggressive probe to check that the usage we want is
130 # actually supported "in the wild" to an acceptable degree.
131 # See automake bug#10828.
132 # To make any issue more visible, cause the running configure to be aborted
133 # by default if the 'rm' program in use doesn't match our expectations; the
134 # user can still override this though.
135 if rm -f && rm -fr && rm -rf; then : OK; else
139 Your 'rm' program seems unable to run without file operands specified
140 on the command line, even when the '-f' option is present. This is contrary
141 to the behaviour of most rm programs out there, and not conforming with
142 the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
144 Please tell bug-automake@gnu.org about your system, including the value
145 of your $PATH and any error possibly output before this message. This
146 can help us improve future automake versions.
149 if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
150 echo 'Configuration will proceed anyway, since you have set the' >&2
151 echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
155 Aborting the configuration process, to ensure you take notice of the issue.
157 You can download and install GNU coreutils to get an 'rm' implementation
158 that behaves properly: <http://www.gnu.org/software/coreutils/>.
160 If you want to complete the configuration process using your problematic
161 'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
162 to "yes", and re-run configure.
165 AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
168 dnl The trailing newline in this macro's definition is deliberate, for
169 dnl backward compatibility and to allow trailing 'dnl'-style comments
170 dnl after the AM_INIT_AUTOMAKE invocation. See automake bug#16841.
173 dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion. Do not
174 dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
175 dnl mangled by Autoconf and run in a shell conditional statement.
176 m4_define([_AC_COMPILER_EXEEXT],
177 m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
179 # When config.status generates a header, we must update the stamp-h file.
180 # This file resides in the same directory as the config header
181 # that is generated. The stamp files are numbered to have different names.
183 # Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
184 # loop where config.status creates the headers, so we can generate
185 # our stamp files there.
186 AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
187 [# Compute $1's index in $config_headers.
190 for _am_header in $config_headers :; do
192 $_am_arg | $_am_arg:* )
195 _am_stamp_count=`expr $_am_stamp_count + 1` ;;
198 echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])