2 # Copyright (C) 2005-2012 Free Software Foundation, Inc.
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2, or (at your option)
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program. If not, see <http://www.gnu.org/licenses/>.
17 # Check support for AC_CONFIG_LIBOBJ_DIR vs ALLOCA.
18 # (pr401.sh and pr401b.sh do the same for LIBOBJS and LTLIBOBJS)
25 ac_cv_func_alloca_works
=no
; export ac_cv_func_alloca_works
27 cat >lib
/alloca.c
<<'EOF'
28 const char *feep (void)
34 cat >src
/main.c
<<'EOF'
37 extern const char *feep (void);
46 cat >>configure.ac
<< 'EOF'
47 ## These lines are activated for later tests.
48 #: AC_CONFIG_LIBOBJ_DIR([lib])
54 AC_CONFIG_FILES
([lib
/Makefile src
/Makefile
])
55 AM_CONDITIONAL
([CROSS_COMPILING
], [test $cross_compiling = yes])
59 ## ----------------------------------------- ##
60 ## First a test of traditional ALLOCA usage. ##
61 ## ----------------------------------------- ##
63 cat >Makefile.am
<<'EOF'
67 cat >lib
/Makefile.am
<<'EOF'
68 noinst_LIBRARIES = libfeep.a
70 libfeep_a_LIBADD = $(ALLOCA)
73 cat >src
/Makefile.am
<<'EOF'
75 main_LDADD = ../lib/libfeep.a
82 cp "$am_scriptdir/ar-lib" . || fatal_
"fetching auxiliary script 'ar-lib'"
91 ## --------------------------------------- ##
92 ## Traditional ALLOCA with LIBOBJDIR set. ##
93 ## --------------------------------------- ##
95 # Invocation of AC_CONFIG_LIBOBJ_DIR may be necessary for reasons
96 # unrelated to Automake or Makefile.am layout.
98 sed 's/#: //' configure.ac
>configure.int
99 mv -f configure.int configure.ac
108 ## -------------------------------------------- ##
109 ## Error message with usage in wrong directory. ##
110 ## -------------------------------------------- ##
112 mv -f src
/Makefile.am src
/t
113 sed 's/LDADD = .*/LDADD = @ALLOCA@/' src
/t
> src
/Makefile.am
115 grep 'cannot be used outside.*lib' stderr
116 mv -f src
/t src
/Makefile.am
119 ## ------------------------------------------- ##
120 ## Test using ALLOCA from a sibling directory. ##
121 ## ------------------------------------------- ##
123 sed 's/#x //; s/lib\/Makefile //' configure.ac
>configure.int
124 mv -f configure.int configure.ac
126 cat >Makefile.am
<<'EOF'
130 cat > src
/Makefile.am
<<'EOF'
131 AUTOMAKE_OPTIONS = subdir-objects
133 noinst_LIBRARIES = libfeep.a
135 libfeep_a_LIBADD = $(ALLOCA) $(LIBOBJS) # Add LIBOBJS for fun.
137 check_PROGRAMS = main
138 main_LDADD = libfeep.a
147 $AUTOMAKE --add-missing
151 test ! -e 'src/$(top_builddir)'
156 ## ---------------------------------------- ##
157 ## Test using ALLOCA from parent directory. ##
158 ## ---------------------------------------- ##
160 sed 's/^.*src\/Makefile.*$//' configure.ac
>configure.int
161 mv -f configure.int configure.ac
163 cat >Makefile.am
<<'EOF'
164 AUTOMAKE_OPTIONS = subdir-objects
166 noinst_LIBRARIES = lib/libfeep.a
167 lib_libfeep_a_SOURCES =
168 lib_libfeep_a_LIBADD = $(ALLOCA)
170 check_PROGRAMS = src/main
171 src_main_SOURCES = src/main.c
172 src_main_LDADD = lib/libfeep.a
179 test -f src/main.$(OBJEXT)
180 test -f lib/alloca.$(OBJEXT)
181 test ! -f src/$(DEPDIR)/alloca.Po