-dnl Copyright © 2021-2022 Nick Bowler
+dnl Copyright © 2021-2023 Nick Bowler
dnl
dnl License WTFPL2: Do What The Fuck You Want To Public License, version 2.
dnl This is free software: you are free to do what the fuck you want to.
AT_BANNER([Script tests])
-AT_SETUP([gen-options.awk])
+AT_SETUP([bake-config.awk])
+AT_KEYWORDS([bake-config awk script scripts])
+
+AT_DATA([cfg.h],
+[[#define hello world
+/* #undef HAVE_STUFF */
+#define HAVE_OTHER_STUFF 1
+/* #undef HAVE_CRAZY_STUFF */
+]])
+
+AT_DATA([lib.h],
+[[#if HAVE_STUFF
+# define foo hello__
+#elif HAVE_CRAZY_STUFF
+# define foo hello
+#elif HAVE_OTHER_STUFF
+# define foo __hello
+#endif
+]])
+
+AT_CHECK([$AWK -f "$srcdir/scripts/bake-config.awk" cfg.h lib.h], [0],
+[[#if 0 /* HAVE_STUFF */
+# define foo hello__
+#elif 0 /* HAVE_CRAZY_STUFF */
+# define foo world /* hello */
+#elif 1 /* HAVE_OTHER_STUFF */
+# define foo __hello
+#endif
+]])
-AT_DATA([options.def],
+AT_CLEANUP
+
+m4_define([TEST_GEN_OPTIONS],
+[AT_KEYWORDS([gen-options awk script scripts])dnl
+AT_DATA([m4_default([$2], [options.def])], [$1])
+AT_CHECK([$AWK -f "$srcdir/scripts/gen-options.awk" dnl
+<m4_default([$2], [options.def]) >options.h])])
+
+m4_define([TEST_GEN_OPTIONS_SAMPLE],
[[--option-only
--option-with-val (5)
--option-with-flagval (&x, 5)
--flagval
]])
-AT_CHECK([$AWK -f "$builddir/scripts/gen-options.awk" <options.def >options.h])
+AT_SETUP([gen-options.awk])
+TEST_GEN_OPTIONS([TEST_GEN_OPTIONS_SAMPLE])
AT_DATA([context.h],
[[struct option { const char *name; int has_arg; int *flag; int val; };
}
]])
-# pick out interesting bits from the definitions file
-sed -n '/^-/s/^.*--\([[^\= @<:@]]*\).*$/\1/p' options.def >options
-sed -n '/^-/{
- s/[[^=]]*\(=[[^@:>@ ]]*\).*$/\1/
- s/^[[^=]].*//
- s/^=//
- p
-}' options.def >argnames
-
-AS_ECHO(["-"]) | sed -n '1s/^-.*//p
-1,/^-/d
-t clear
-:clear
-s/^-.*//p
-t
-s/^#.*//
-s/^ *//
-t next
-:next
-N
-s/\n-.*//
-t done
-s/\n#.*//
-s/\n */\n/g
-t next
-:done
-s/"/\\\\"/g
-s/[[^\n]][[^\n]]*/\\"&\\"/g
-s/^\n*//
-s/\n*$//
-s/\n\n*/ /g
-p
-' options.def - >helptext
-
-exec 3<options 4<argnames 5<helptext 6>expout
-while read opt <&3 && read arg <&4 && read help <&5; do
- if test ${arg:+y}; then
- AS_ECHO(["--$opt=$arg"]) >&6
- else
- AS_ECHO(["--$opt"]) >&6
- fi
- eval "set x $help"; shift
- for arg
- do
- AS_ECHO(["$arg"]) >&6
- done
-done
-exec 3<&- 4<&- 5<&- 6>&-
+AT_DATA([lopthelp.awk],
+[[/^#/ { next }
+/^-/ {
+ if ($1 !~ /^--/)
+ $1 = $2;
+ if (sub(/\@:>@$/, "", $1))
+ sub(/\@<:@/, "", $1);
+ print $1;
+ next;
+}
+
+{ sub(/^[ \t]*/, ""); }
+/./ { print; }
+]])
+
+$AWK -f lopthelp.awk options.def >expout
AT_CHECK([$CC -o test1$EXEEXT test1.c && ./test1$EXEEXT],
[0], [expout], [ignore])
if (SOPT_STRING[i+1] != ':')
putchar('\n');
}
+ return 0;
}
]])
-sed -n '/^-/{
- s/=.*/:/
- s/[[@<:@]]/:/
- s/^-\([[^-]]\)[[^:]]*/\1/p
- s/^-.*//p
-}' options.def >sopts
+AT_DATA([soptstr.awk],
+[[/^-/ {
+ if ($1 ~ /^--/)
+ next;
-exec 3<options 4<sopts 5>expout
-while read lopt <&3 && read sopt <&4; do
- if test ${sopt:+y}; then
- AS_ECHO(["--$lopt $sopt"]) >&5
- fi
-done
-exec 3<&- 4<&- 5>&-
+ sopt = substr($1, 2, 1);
+ arg = sub(/\@:>@$/, "", $2);
+ arg += sub(/\@<:@?=.*$/, "", $2);
+
+ print $2 " " sopt substr("::", 1, arg);
+}
+]])
+$AWK -f soptstr.awk options.def >expout
AT_CHECK([$CC -o test2$EXEEXT test2.c && ./test2$EXEEXT],
[0], [expout], [ignore])
+AT_CLEANUP
+
+AT_SETUP([gen-options.awk xgettext annotation])
+TEST_GEN_OPTIONS([TEST_GEN_OPTIONS_SAMPLE])
+
# Check that all help strings are translatable
-sed 's/\([[^\\]]\\\)" /\1\\n\\" /g' helptext >help-po
-exec 3<options 4<argnames 5<help-po 6>expected.po
-while read opt <&3 && read arg <&4 && read help <&5; do
- if test ${arg:+y}; then
- AS_ECHO(["msgctxt \"$opt\" msgid \"$arg\""]) >&6
- fi
- AS_ECHO(["msgctxt \"$opt\" msgid${help:+ }$help"]) >&6
-done
-exec 3<&- 4<&- 5<&- 6>&-
+AT_DATA([messages.awk],
+[[BEGIN { lines = -1; }
+END { output(); }
+
+/^#/ { next }
+/^-/ {
+ output();
+ if ($1 !~ /^--/)
+ $1 = $2;
+
+ tmp=$1;
+ arg="";
+ if (sub(/\@<:@?=.*/, "", $1)) {
+ arg = substr(tmp, index(tmp, "=")+1);
+ sub(/\@:>@$/, "", arg);
+ }
+
+ sub(/^--/, "", $1);
+ ctxt=("msgctxt \"" $1 "\" msgid");
+ if (arg)
+ print ctxt, ("\"" arg "\"");
+ next;
+}
+
+{ sub(/^[ \t]*/, ""); }
+/./ {
+ gsub(/"/, "\\\"", $0);
+ help[lines++] = $0;
+}
+
+function output(i)
+{
+ if (lines >= 0) {
+ printf "%s", ctxt;
+ for (i = 0; i < lines; i++) {
+ nl = (i+1 < lines ? "\\n" : "");
+ printf(" \"%s%s\"", help[i], nl);
+ }
+ print "";
+ }
+
+ lines = 0;
+}
+]])
+
+dnl Antique versions of xgettext which predate the pgettext/msgctx feature
+dnl will produce an output po file with no msgctx lines. So try to spot
+dnl that and skip the test with such versions.
AT_CHECK([xgettext --keyword=PN_:1c,2 options.h
- test -f messages.po || exit 77])
+ test -f messages.po || exit 77
+ grep msgid messages.po >/dev/null &&
+ { grep msgctx messages.po >/dev/null || exit 77; }])
-LC_ALL=C sort expected.po >expout
+$AWK -f messages.awk options.def | LC_ALL=C sort >expout
AT_CHECK([sed -n '/^msgctxt/{
t next
:next
AT_CLEANUP
+AT_SETUP([gen-options.awk packed format])
+
+AT_DATA([test.c], [[#include <stdio.h>
+struct option { const char *name; int has_arg; int *flag; int val; };
+
+#include "options.h"
+
+static unsigned opts[] = { LOPTS_PACKED_INITIALIZER };
+
+int main(void)
+{
+ unsigned i;
+ int x =
+#if !LOPT_PACK_BITS
+ 0
+#elif LOPT_PACK_BITS <= 8
+ 1
+#elif LOPT_PACK_BITS <= 16
+ 2
+#elif LOPT_PACK_BITS <= 32
+ 3
+#else
+# error too big
+#endif
+ ;
+ printf("%d\n", x);
+ for (i = 0; i < sizeof opts / sizeof opts[0]; i++) {
+ struct option o;
+
+ LOPT_UNPACK(o, opts[i]);
+ printf("--%s, %d, ", o.name, o.has_arg);
+ if (o.val > UCHAR_MAX)
+ printf("%d\n", o.val - UCHAR_MAX - 1);
+ else
+ printf("'%c'\n", o.val);
+ }
+ return 0;
+}
+]])
+
+TEST_GEN_OPTIONS([[--single-option
+]], [single.dat])
+AT_CHECK([$CC -o single$EXEEXT test.c && ./single$EXEEXT], [0],
+[[0
+--single-option, 0, 0
+]])
+
+TEST_GEN_OPTIONS([[-a, --the-first-option
+-b, --the-second-option=ARG
+-c, --the-third-option[=ARG]
+-d, --the-fourth-option
+]], [16bit.dat])
+AT_CHECK([$CC -o 16bit$EXEEXT test.c && ./16bit$EXEEXT], [0],
+[[2
+--the-first-option, 0, 'a'
+--the-second-option, 1, 'b'
+--the-third-option, 2, 'c'
+--the-fourth-option, 0, 'd'
+]])
+
+AT_CLEANUP
+
AT_SETUP([gen-strtab.awk])
+AT_KEYWORDS([gen-strtab awk script scripts])
AT_DATA([test.def],
[[
\ leading whitespace
&j oneline
# with a comment
+&k with nontrivial whitespace
]])
-AT_CHECK([$AWK -f "$builddir/scripts/gen-strtab.awk" <test.def >test.h])
+AT_CHECK([$AWK -f "$srcdir/scripts/gen-strtab.awk" <test.def >test.h])
sed -n 's/^[[&]]\([[^ ]]*\).*/\1/p' test.def >identifiers
# test 0: sanity test
-AT_DATA([test0.c],
-[[#include "test.h"
+{ cat <<'EOF'
+#include "test.h"
#include <stdio.h>
int main(void)
{
printf("---\n");
-]])
-exec 3<identifiers 4>>test0.c
-while read ident <&3; do
- AS_ECHO([' printf("%s\n---\n", '"strtab+$ident);"]) >&4
-done
-AS_ECHO([' return 0;']) >&4
-AS_ECHO(['}']) >&4
-exec 3<&- 4>&-
+EOF
+while read id; do AS_ECHO([' printf("%s\n---\n", strtab+'"$id"');']); done
+AS_ECHO([' return 0;'])
+AS_ECHO(['}'])
+} <identifiers >test0.c
AT_CHECK([$CC -o test0$EXEEXT test0.c && ./test0$EXEEXT], [0], [---
world
---
oneline
---
+with nontrivial whitespace
+---
], [ignore])
+AT_CLEANUP
+
+AT_SETUP([gen-strtab.awk @nozero option])
+AT_KEYWORDS([gen-strtab awk script scripts])
+
+AT_DATA([test0.def],
+[[&hello hello
+]])
+AT_CHECK([$AWK -f "$srcdir/scripts/gen-strtab.awk" <test0.def >test0.h])
+
+AT_DATA([test1.def],
+[[@nozero
+&hello hello
+]])
+AT_CHECK([$AWK -f "$srcdir/scripts/gen-strtab.awk" <test1.def >test1.h])
+
+AT_DATA([test.c],
+[[#include <stdio.h>
+#include HEADER
+int main(void) { printf("%d %s\n", hello, strtab+hello); return 0; }
+]])
+AT_CHECK([$CC -DHEADER='"test0.h"' -o test0$EXEEXT test.c && ./test0$EXEEXT],
+ [0], [[0 hello
+]])
+AT_CHECK([$CC -DHEADER='"test1.h"' -o test1$EXEEXT test.c && ./test1$EXEEXT],
+ [0], [[1 hello
+]])
+
+AT_CLEANUP
+
+AT_SETUP([gen-strtab.awk @macro option])
+AT_KEYWORDS([gen-strtab awk script scripts])
+
+AT_DATA([test0.def],
+[[@macro
+&foo foobar
+&bar bar
+&baz baz
+]])
+AT_CHECK([$AWK -f "$srcdir/scripts/gen-strtab.awk" <test0.def >test0.h])
+
+AT_DATA([test0.c],
+[[#include <stdio.h>
+extern const char strtab[];
+#include "test0.h"
+
+int main(void)
+{
+ static const char mystrtab[] = STRTAB_INITIALIZER;
+ printf("%s\n%s\n%s\n", mystrtab+foo, mystrtab+bar, mystrtab+baz);
+ return 0;
+}
+]])
+AT_CHECK([$CC -o test0$EXEEXT test0.c && ./test0$EXEEXT], [0],
+[[foobar
+bar
+baz
+]])
+
+AT_CLEANUP
+
+AT_SETUP([gen-strtab.awk l10n options])
+AT_KEYWORDS([gen-strtab awk script scripts])
+
+AT_DATA([l10n.sed], dnl (
+[[/^#/b
+s/.*N_(\([^)]*\)).*/\1/p
+]])
+
+AT_DATA([test0.def],
+[[&a hello world
+&b world
+&c goodbye
+]])
+AT_CHECK([$AWK -f "$srcdir/scripts/gen-strtab.awk" <test0.def >test0.h])
+AT_CHECK([sed -n -f l10n.sed test0.h | LC_ALL=C sort], [0],
+[["goodbye"
+"hello world"
+"world"
+]])
+
+AT_DATA([test1.def],
+[[&a hello world
+&&b world
+&&c goodbye
+]])
+AT_CHECK([$AWK -f "$srcdir/scripts/gen-strtab.awk" <test1.def >test1.h])
+AT_CHECK([sed -n -f l10n.sed test1.h], [0],
+[["hello world"
+]])
+
+AT_DATA([test.c],
+[[#include <stdio.h>
+#include HEADER
+
+int main(void)
+{
+ printf("%s %s %s\n", strtab+a, strtab+b, strtab+c);
+ return 0;
+}
+]])
+
+AT_CHECK([$CC -DHEADER='"test0.h"' -o test0$EXEEXT test.c && ./test0$EXEEXT],
+ [0], [[hello world world goodbye
+]])
+
+AT_CHECK([$CC -DHEADER='"test1.h"' -o test1$EXEEXT test.c && ./test1$EXEEXT],
+ [0], [[hello world world goodbye
+]])
+
+
AT_CLEANUP
AT_SETUP([gen-tree.awk])
+AT_KEYWORDS([gen-tree awk script scripts])
+
AT_DATA([tree.def],
-[[ROOT0
+[[# comment
+ROOT0
r0a, r0a_OFFSET
r0b, r0b_OFFSET
r0c
r0e, r0e_OFFSET
r0f
r0g
+# comment
ROOT1
r1a, r1a_OFFSET
r1b, r1b_OFFSET
r1e
r1b
r1e
+# comment
]])
-AT_CHECK([$AWK -f "$builddir/scripts/gen-tree.awk" <tree.def >tree.h])
+AT_CHECK([$AWK -f "$srcdir/scripts/gen-tree.awk" <tree.def >tree.h])
AT_DATA([test0.c],
[[#include "tree.h"
print_subtree(tree0, 0, 1);
printf("ROOT1\n");
print_subtree(tree1, 0, 1);
+ return 0;
}
]])
-cp tree.def expout
+sed '/^#/d' tree.def >expout
AT_CHECK([$CC -o test0$EXEEXT test0.c && ./test0$EXEEXT], [0], [expout])
AT_CLEANUP
+# Test the gen-tree features that avoid creating string labels for nodes.
+AT_SETUP([gen-tree.awk @nostrtab option])
+AT_KEYWORDS([gen-tree awk script scripts])
+
+AT_DATA([tree.def],
+[[@nostrtab
+ROOT
+ a 1, a_OFFSET
+ b 1
+ c 2
+ d 2, d_OFFSET
+ e 1
+ f 2
+]])
+AT_CHECK([$AWK -f "$srcdir/scripts/gen-tree.awk" <tree.def >tree.h])
+
+AT_DATA([test0.c],
+[[float tree_strtab = 0;
+#define a []
+#define b []
+#define c []
+#define e []
+#define f []
+#include "tree.h"
+#include <stdio.h>
+
+static struct { int num, offset; } root[] = { ROOT_INITIALIZER };
+
+int main(void)
+{
+ unsigned i;
+ for (i = 0; i < sizeof root / sizeof root[0]; i++) {
+ printf("%d, %d\n", root[i].num, root[i].offset);
+ }
+ return 0;
+}
+]])
+
+AT_CHECK([$CC -o test0$EXEEXT test0.c && ./test0$EXEEXT], [0],
+[[1, 3
+2, 6
+0, 0
+1, 0
+2, 0
+0, 0
+1, 0
+2, 0
+0, 0
+]])
+
+AT_DATA([flat.def],
+[[FLAT
+ a 1
+ b 2
+ c 3
+@nostrtab
+]])
+AT_CHECK([$AWK -f "$srcdir/scripts/gen-tree.awk" <flat.def >flat.h])
+
+sed -e 's/tree\.h/flat.h/' -e 's/ROOT/FLAT/' test0.c >test1.c
+AT_CHECK([$CC -o test1$EXEEXT test1.c && ./test1$EXEEXT], [0],
+[[1, 0
+2, 0
+3, 0
+0, 0
+]])
+
+AT_CLEANUP
+
AT_SETUP([join.awk])
+AT_KEYWORDS([join awk script scripts])
-JOIN="$AWK -f $builddir/scripts/join.awk --"
+JOIN="$AWK -f $srcdir/scripts/join.awk --"
AT_DATA([a],
[[1 a
AT_CLEANUP
m4_divert_push([PREPARE_TESTS])dnl
+test_fix_ltdl () {
+ $PERL -e 'my $x = 42; exit $x;'; test $? = 42 || exit 77
+ $PERL "$srcdir/scripts/fix-ltdl.pl" "$@"
+}
test_fix_gnulib () {
$PERL -e 'my $x = 42; exit $x;'; test $? = 42 || exit 77
- $PERL -f "$srcdir/scripts/fix-gnulib.pl" "$@"
+ $PERL "$srcdir/scripts/fix-gnulib.pl" "$@"
}
test_gnulib_mk () {
- echo; sed -n -f - "$srcdir/tests/data/gnulib.mk" <<EOF
-/^## begin gnulib module $1/,/^## end gnulib module $1/p
-EOF
+ echo;
+ for arg
+ do
+ sed -n -e \
+ "/^## begin gnulib module $arg/,/^## end gnulib module $arg/p" \
+ "$srcdir/tests/data/gnulib.mk"
+ done
}
m4_divert_pop([PREPARE_TESTS])
AT_SETUP([fix-gnulib.pl SED_HEADER variables])
+AT_KEYWORDS([fix-gnulib perl script scripts])
test_gnulib_mk gen-header >test.mk.in
AT_CHECK([grep SED_HEADER test.mk.in >expout || exit 99])
AT_CLEANUP
-AT_SETUP([fix-gnulib.pl %reldir% substitution])
+AT_SETUP([fix-gnulib.pl warning removal])
+AT_KEYWORDS([fix-gnulib perl script scripts])
+
+AT_DATA([test.mk.in], [[
+## test begin
+noinst_LTLIBRARIES += libgnu.la
+libgnu_la_CFLAGS = $(AM_CFLAGS) $(GL_CFLAG_GNULIB_WARNINGS)
+noinst_LIBRARIES += libgnu.a
+libgnu_a_CFLAGS = $(AM_CFLAGS) $(GL_CFLAG_GNULIB_WARNINGS)
+## test end
+]])
+AT_CHECK([test_fix_gnulib -i test.mk.in -o test.mk || exit
+sed -n '/^## test begin/,/^## test end/p' test.mk], [0], [## test begin
+EXTRA_LTLIBRARIES += libgnu.la
+EXTRA_LIBRARIES += libgnu.a
+## test end
+])
+
+AT_CLEANUP
+
+AT_SETUP([fix-gnulib.pl header directory creation])
+AT_KEYWORDS([fix-gnulib perl script scripts])
-test_gnulib_mk sys_types >test.mk.in
-AT_CHECK([grep '%reldir%' test.mk.in >/dev/null || exit 99])
+AT_DATA([extract.awk],
+[[$0 !~ /^\t/ && $1 ~ /:$/ {
+ target=$1;
-sed -n -f - test.mk.in >expout <<'EOF'
-${G;p;b}
-/^## begin gnulib/,/^## end gnulib/!b
-/^#/{p;b}
-s|(srcdir)|(top_srcdir)|
-s|%reldir%|lib|
-s|BUILT_SOURCES|gnulib_core_headers|
-s|sys[[/_]]|lib/&|g
-/^MOSTLYCLEANFILES/{h;b}
-p
-EOF
+ for (i = 2; i <= NF; i++) {
+ if ($i ~ /am__dirstamp/)
+ target = target " " $i;
+ }
+
+ next;
+}
+
+target != "" && sub(/[$][({](AM_V_GEN|gl_V_at)[})].*$/, "[OK]") {
+ print target, $1;
+}
+
+{ target=""; }
+]])
+test_gnulib_mk alloca-opt sys_types stddef >test.mk.in
AT_CHECK([test_fix_gnulib -i test.mk.in -o test.mk || exit
-sed -n -e '/^## begin gnulib/,/^## end gnulib/p' \
- -e '/CLEANFILES/p' test.mk],
-[0], [expout])
+$AWK -f extract.awk test.mk], [0],
+[[lib/alloca.h: lib/$(am__dirstamp) [OK]
+lib/sys/types.h: lib/sys/$(am__dirstamp) [OK]
+lib/stddef.h: lib/$(am__dirstamp) [OK]
+]])
+
+AT_CLEANUP
+
+dnl TEST_FIND_AUTOMAKE_VER([to-check], [test-action])
+dnl
+dnl For each whitespace-separated version token in to-check, check if we can
+dnl run the programs automake-VER and aclocal-VER. The special token 'default'
+dnl also checks the unversioned automake and aclocal (or, if set in the
+dnl environment, $AUTOMAKE and $ACLOCAL).
+dnl
+dnl Then test-action is expanded such that shell variables $ac and $am refer to
+dnl the aclocal and automake programs, and $amver is the actual version
+dnl reported by --version. The action should do nothing if the version is
+dnl acceptable, or "continue" if the version is unacceptable.
+dnl
+dnl If an acceptable version is found, the AUTOMAKE and ACLOCAL environment
+dnl variables are set accordingly. Otherwise, the test group is skipped.
+m4_define([TEST_FIND_AUTOMAKE],
+[have_am=false
+for am in $1; do
+ AS_CASE([$am],
+ [default], [ac=${ACLOCAL-aclocal} am=${AUTOMAKE-automake}],
+ [ac=aclocal-$am; am=automake-$am])
+ amver=`$am --version | sed -n '1s/.* //p'`
+ acver=`$ac --version | sed -n '1s/.* //p'`
+ set x $amver $acver; shift; test x"$[]#" = x"2" || continue
+ test x"$amver" = x"$acver" || continue
+ $2
+ have_am=:; break
+done
+AT_CHECK([$have_am || exit 77])
+AUTOMAKE=$am; export AUTOMAKE
+ACLOCAL=$ac; export ACLOCAL
+AT_CHECK([$ACLOCAL --version && $AUTOMAKE --version], [0], [stdout])
+])
+
+m4_define([TEST_LTDL_LIBOBJ_MANGLING],
+[TEST_CONFIGURE_AC([[AM_INIT_AUTOMAKE([foreign subdir-objects])
+AC_PROG_CC
+LT_INIT
+AC_SUBST([ltdl_LTLIBOBJS], [libltdl/test.lo])
+AC_CONFIG_FILES([Makefile])
+]])
+
+mkdir libltdl
+AT_DATA([ltdl.mk.in], [[
+AM_CPPFLAGS += -DSTRING=\"helloworld\"
+
+noinst_LTLIBRARIES = libltdl/libltdl.la
+libltdl_libltdl_la_SOURCES = libltdl/ltdl.c
+libltdl_libltdl_la_LIBADD = $(ltdl_LTLIBOBJS)
+libltdl_libltdl_la_DEPENDENCIES = $(ltdl_LTLIBOBJS)
+
+EXTRA_DIST += libltdl/test.c
+]])
+AT_DATA([Makefile.am], [[AM_CPPFLAGS =
+include $(top_srcdir)/ltdl.mk
+AM_LIBTOOLFLAGS = --quiet
+bin_PROGRAMS = test
+test_SOURCES =
+test_LDADD = libltdl/libltdl.la
+all-local: ; @printf '%s\n' $(AM_CPPFLAGS)
+]])
+AT_DATA([libltdl/test.c], [[#include <stdio.h>
+int foo(void) { printf("%s\n", STRING); return 0; }
+]])
+AT_DATA([libltdl/ltdl.c], [[int foo(void); int main(void) { return foo(); }
+]])
+
+AT_CHECK([test_fix_ltdl -i ltdl.mk.in -o ltdl.mk])
+libtoolize; TEST_AUTORECONF
+TEST_CONFIGURE([--disable-shared])
+AT_CHECK([make -s && ./test], [0], [
+helloworld
+])])
+
+AT_SETUP([fix-ltdl.pl LIBOBJ mangling (<automake-1.16)])
+AT_KEYWORDS([fix-ltdl perl script scripts])
+
+TEST_FIND_AUTOMAKE([default 1.10 1.11 1.12 1.13 1.14 1.15],
+ [AS_VERSION_COMPARE(["$amver"], [1.16], [], [continue], [continue])])
+TEST_LTDL_LIBOBJ_MANGLING
+
+AT_CLEANUP
+
+AT_SETUP([fix-ltdl.pl LIBOBJ mangling (>=automake-1.16)])
+AT_KEYWORDS([fix-ltdl perl script scripts])
+
+TEST_FIND_AUTOMAKE([default 1.16 1.17 1.18 1.19],
+ [AS_VERSION_COMPARE(["$amver"], [1.16], [continue])])
+TEST_LTDL_LIBOBJ_MANGLING
AT_CLEANUP