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author | Paul Eggert <eggert@cs.ucla.edu> | 2018-10-14 22:10:48 -0500 |
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committer | Paul Eggert <eggert@cs.ucla.edu> | 2018-10-14 22:12:46 -0500 |
commit | 6b8fd34c4ab1aa23b180440cdc8210900896bbf4 (patch) | |
tree | 21787b9f7ba030e501ff12c9c4259beab01b00e8 /m4/environ.m4 | |
parent | aba7910e368f98790fdbaf5256c75da558d7b195 (diff) | |
download | emacs-6b8fd34c4ab1aa23b180440cdc8210900896bbf4.tar.gz |
Update from Gnulib
This is minor refactoring that should not affect Emacs builds.
It incorporates:
2018-10-12 Make better use of Autoconf
* m4/environ.m4, m4/fsusage.m4, m4/manywarnings.m4, m4/socklen.m4:
Copy from Gnulib.
Diffstat (limited to 'm4/environ.m4')
-rw-r--r-- | m4/environ.m4 | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/m4/environ.m4 b/m4/environ.m4 index 68b67eaca4e..acee5364b77 100644 --- a/m4/environ.m4 +++ b/m4/environ.m4 @@ -1,4 +1,4 @@ -# environ.m4 serial 6 +# environ.m4 serial 7 dnl Copyright (C) 2001-2004, 2006-2018 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -29,16 +29,14 @@ AC_DEFUN_ONCE([gl_ENVIRON], AC_DEFUN([gt_CHECK_VAR_DECL], [ define([gt_cv_var], [gt_cv_var_]$2[_declaration]) - AC_MSG_CHECKING([if $2 is properly declared]) - AC_CACHE_VAL([gt_cv_var], [ - AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM( - [[$1 - extern struct { int foo; } $2;]], - [[$2.foo = 1;]])], - [gt_cv_var=no], - [gt_cv_var=yes])]) - AC_MSG_RESULT([$gt_cv_var]) + AC_CACHE_CHECK([if $2 is properly declared], [gt_cv_var], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[$1 + extern struct { int foo; } $2;]], + [[$2.foo = 1;]])], + [gt_cv_var=no], + [gt_cv_var=yes])]) if test $gt_cv_var = yes; then AC_DEFINE([HAVE_]m4_translit($2, [a-z], [A-Z])[_DECL], 1, [Define if you have the declaration of $2.]) |