From: Akim Demaille <akim@epita.fr>
Date: Wed, 6 Jun 2001 08:25:00 +0000 (+0000)
Subject: * tests/semantics.at (AC_CHECK_LIB): Strengthen to reflect
X-Git-Tag: AUTOCONF-2.50a~62
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8f50c7ad5a845b7161fe002d36bebf4e07978168;p=thirdparty%2Fautoconf.git

* tests/semantics.at (AC_CHECK_LIB): Strengthen to reflect
PR autoconf/187.
---

diff --git a/BUGS b/BUGS
index 9f531d92a..6be4c71bf 100644
--- a/BUGS
+++ b/BUGS
@@ -18,3 +18,9 @@ address them.
 	/*--------------------------.
 	| Good for production use.  |
 	`--------------------------*/
+
+* Important bugs
+
+** AC_CHECK_LIB
+Does not work properly when given variables instead of literals, e.g.,
+AC_CHECK_LIB($foo, $bar).
diff --git a/ChangeLog b/ChangeLog
index 24d7f4a9f..c27daf938 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2001-06-06  Akim Demaille  <akim@epita.fr>
+
+	* tests/semantics.at (AC_CHECK_LIB): Strengthen to reflect
+	PR autoconf/187.
+
 2001-06-05  Akim Demaille  <akim@epita.fr>
 
 	* acgeneral.m4 (_AC_INIT_PARSE_ARGS): `prefix' and `exec_prefix'
diff --git a/tests/semantics.at b/tests/semantics.at
index 542a1125f..c63063230 100644
--- a/tests/semantics.at
+++ b/tests/semantics.at
@@ -17,9 +17,45 @@ AT_BANNER([Semantics.])
 # But there are systems without libm, on which we don't want to have
 # this test fail, so exit successfully if `cos' is in libc.
 AT_CHECK_MACRO([AC_CHECK_LIB],
-[AC_TRY_LINK_FUNC(cos, [AS_EXIT(0)])
+[AC_TRY_LINK_FUNC(cos,
+                  [AC_MSG_ERROR([`cos' is in `libc'], 77)])
+
 AC_CHECK_LIB(m, cos,,
-             [AC_MSG_ERROR([cannot find `cos'])])])
+             [AC_MSG_ERROR([cannot find `cos' in `libm'])])
+
+# No kidding, using variables was broken in 2.50 :(
+ac_sin=sin
+AC_CHECK_LIB(m, $ac_sin,,
+      [AC_MSG_ERROR([cannot find `\$ac_sin' (= `$ac_sin') in `libm'])])
+
+ac_m=m
+AC_CHECK_LIB($ac_m, acos,,
+      [AC_MSG_ERROR([cannot find `acos' in `\$ac_m' (= `$ac_m')])])
+
+ac_asin=asin
+AC_CHECK_LIB($ac_m, $ac_asin,,
+      [AC_MSG_ERROR([cannot find `\$ac_asin' (= `$ac_asin') in `\$ac_m' (= `$at_m')])])
+
+# But if the bug is in the caching mechanism, then be sure we
+# correctly detect failures.
+
+AC_CHECK_LIB(m, cossack,
+             [AC_MSG_ERROR([found `cossack' in `libm'])])
+
+# No kidding, using variables was broken in 2.50 :(
+ac_sinner=sinner
+AC_CHECK_LIB(m, $ac_sinner,
+      [AC_MSG_ERROR([found `\$ac_sinner' (= `$ac_sinner') in `libm'])])
+
+ac_m=m
+AC_CHECK_LIB($ac_m, acossack,
+      [AC_MSG_ERROR([found `acossack' in `\$ac_m' (= `$ac_m')])])
+
+ac_asinner=asinner
+AC_CHECK_LIB($ac_m, $ac_asinner,
+      [AC_MSG_ERROR([found `\$ac_asinner' (= `$ac_asinner') in `\$ac_m' (= `$at_m')])])
+
+])
 
 
 # AC_CHECK_DECLS
diff --git a/tests/suite.at b/tests/suite.at
index 495c91398..be1375541 100644
--- a/tests/suite.at
+++ b/tests/suite.at
@@ -39,6 +39,7 @@ m4_include([torture.at])
 m4_include([compile.at])
 
 # Checking that AC_CHECK_FOO macros work properly.
+AT_BANNER([FIXME: AC_CHECK_TYPE is a known failure.])
 m4_include([semantics.at])
 
 # Blind testing the macros.