Mercurial > hg > octave-lojdl > gnulib-hg

changeset 6917:ccfc45c57d27

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
* absolute-header.m4 (gl_ABSOLUTE_HEADER): Prepend three slashes to the absolute name, not just one, to bypass Sun C 5.8's "warning: #include of /usr/include/... may be non-portable".
author Paul Eggert <eggert@cs.ucla.edu>
date Tue, 04 Jul 2006 07:38:59 +0000
parents db0082829637
children cb670d90d673
files m4/ChangeLog m4/absolute-header.m4
diffstat 2 files changed, 11 insertions(+), 3 deletions(-) [+]
line wrap: on
line diff
--- a/m4/ChangeLog
+++ b/m4/ChangeLog
@@ -1,3 +1,9 @@
+2006-07-04  Paul Eggert  <eggert@cs.ucla.edu>
+
+	* absolute-header.m4 (gl_ABSOLUTE_HEADER): Prepend three slashes
+	to the absolute name, not just one, to bypass Sun C 5.8's
+	"warning: #include of /usr/include/... may be non-portable".
+
 2006-07-03  Paul Eggert  <eggert@cs.ucla.edu>
 
 	* absolute-header.m4: Renamed from full-header-path.m4.
--- a/m4/absolute-header.m4
+++ b/m4/absolute-header.m4
@@ -1,4 +1,4 @@
-# absolute-header.m4 serial 3
+# absolute-header.m4 serial 4
 dnl Copyright (C) 2006 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -13,6 +13,8 @@
 # ABSOLUTE_SYS_INTTYPES_H to the `<>' quoted absolute name of sys/inttypes.h
 # in config.h
 # (e.g. `#define ABSOLUTE_SYS_INTTYPES_H <///usr/include/sys/inttypes.h>').
+# The three "///" are to pacify Sun C 5.8, which otherwise would say
+# "warning: #include of /usr/include/... may be non-portable".
 AC_DEFUN([gl_ABSOLUTE_HEADER],
 [AC_LANG_PREPROC_REQUIRE()dnl
 AC_FOREACH([gl_HEADER_NAME], [$1],
@@ -29,13 +31,13 @@
 dnl Ultrix and Pyramid sh refuse to redirect output of eval, so use subshell.
       AS_VAR_SET(gl_absolute_header,
 [`(eval "$ac_cpp conftest.$ac_ext") 2>&AS_MESSAGE_LOG_FD |
-sed -n '\#/]m4_quote(m4_defn([gl_HEADER_NAME]))[#{s#.*"\(.*/]m4_quote(m4_defn([gl_HEADER_NAME]))[\)".*#\1#;p;q;}'`])
+sed -n '\#/]m4_quote(m4_defn([gl_HEADER_NAME]))[#{s#.*"\(.*/]m4_quote(m4_defn([gl_HEADER_NAME]))[\)".*#\1#;s#^/[^/]#//&#;p;q;}'`])
     fi
     AS_VAR_POPDEF([ac_header_exists])dnl
     ])dnl
   AC_DEFINE_UNQUOTED(AS_TR_CPP([ABSOLUTE_]m4_quote(m4_defn([gl_HEADER_NAME]))),
                      [<AS_VAR_GET(gl_absolute_header)>],
-                     [Define this to the absolute name of <]m4_quote(m4_defn([gl_HEADER_NAME]))[>.])
+                     [Define this to an absolute name of <]m4_quote(m4_defn([gl_HEADER_NAME]))[>.])
   AS_VAR_POPDEF([gl_absolute_header])dnl
 ])dnl
 ])# gl_ABSOLUTE_HEADER