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* config.h.in: protect against multiple #inclusions.

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* config.h.in: Add a declaration for getenv.
This commit is contained in:
Jim Blandy 1993-01-14 15:02:14 +00:00
parent 6d62a90e1f
commit 7e1fc708f4
1 changed files with 15 additions and 0 deletions
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15
src/config.in
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@ -19,6 +19,12 @@ file named COPYING. Among other things, the copyright notice
and this notice must be preserved on all copies. */
/* No code in Emacs #includes config.h twice, but some of the code
intended to work with other packages as well (like gmalloc.c)
think they can include it as many times as they like. */
#ifndef EMACS_CONFIG_H
#define EMACS_CONFIG_H
/* Define HAVE_X_WINDOWS if you want to use the X window system. */
/* #define HAVE_X_WINDOWS */
@ -165,3 +171,12 @@ and this notice must be preserved on all copies. */
#ifndef SIGTYPE
#define SIGTYPE void
#endif
#ifndef THIS_IS_YMAKEFILE
/* Some of the files of Emacs which are intended for use with other
programs assume that if you have a config.h file, you must declare
the type of getenv. */
extern char *getenv ();
#endif
#endif /* EMACS_CONFIG_H */