Split setenv module into setenv and unsetenv. Get rid of setenv.h.

diff --git a/ChangeLog b/ChangeLog
index 4b558a36f629ae7b1467221024a5ebecbea771b3..2164967baec4a5d9cf6a7af21d5a1902b2c4e550 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,37 @@
+2007-12-24  Bruno Haible  <bruno@clisp.org>
+
+       Split setenv module into setenv and unsetenv. Get rid of setenv.h.
+       * lib/setenv.h: Remove file.
+       * lib/stdlib.in.h (setenv, unsetenv): New declarations, moved here from
+       lib/setenv.h.
+       * modules/setenv (Files): Remove lib/setenv.h, lib/unsetenv.c.
+       (Depends-on): Add stdlib.
+       (configure.ac): Invoke gl_STDLIB_MODULE_INDICATOR. Don't invoke
+       gl_FUNC_UNSETENV.
+       (Include): Replace setenv.h with <stdlib.h>.
+       * modules/unsetenv: New file.
+       * lib/setenv.c: Include <stdlib.h> first, after alloca.h.
+       * lib/unsetenv.c: Include <stdlib.h> first.
+       * m4/setenv.m4 (gl_FUNC_SETENV, gl_FUNC_SETENV_SEPARATE): Require
+       gl_STDLIB_H_DEFAULTS. Conditionally set HAVE_SETENV to 0.
+       (gl_FUNC_UNSETENV): Require gl_STDLIB_H_DEFAULTS. Conditionally set
+       HAVE_UNSETENV to 0. Set VOID_UNSETENV as an AC_SUBSTed variable.
+       * modules/stdlib (Makefile.am): Substitute also GNULIB_SETENV,
+       HAVE_SETENV, GNULIB_UNSETENV, HAVE_UNSETENV, VOID_UNSETENV.
+       * m4/stdlib_h.m4 (gl_STDLIB_H_DEFAULTS): Initialize GNULIB_SETENV,
+       HAVE_SETENV, GNULIB_UNSETENV, HAVE_UNSETENV, VOID_UNSETENV.
+       * doc/functions/unsetenv.texi: Update.
+       * modules/xsetenv (Depends-on): Add unsetenv.
+       * modules/getdate (Depends-on): Likewise.
+       * lib/xsetenv.h: Include <stdlib.h> instead of setenv.h.
+       * lib/xsetenv.c: Don't include setenv.h.
+       * lib/getdate.y: Likewise.
+       * lib/relocwrapper.c: Likewise.
+       * modules/relocatable-prog-wrapper (Files): Remove lib/setenv.h.
+       (Depends-on): Add stdlib.
+       * NEWS: Mention the changes.
+       Reported by Левашев Иван <octagram@bluebottle.com>.
+
 2007-12-23  Bruno Haible  <bruno@clisp.org>
 
        * lib/memmem.c (memmem): Use lowercase variable names. Tab