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Better __progname check.

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This commit is contained in:
Nicholas Marriott 2011-01-10 22:12:31 +00:00
parent 96fe3b26c1
commit a7b6445cc3
1 changed files with 9 additions and 3 deletions
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12
configure.ac
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@ -1,4 +1,4 @@
# $Id: configure.ac,v 1.11 2011-01-10 22:00:47 nicm Exp $
# $Id: configure.ac,v 1.12 2011-01-10 22:12:31 nicm Exp $
# Miscellaneous autofoo bullshit.
AC_INIT(tmux, 1.5)
@ -282,10 +282,16 @@ fi
# Look for __progname.
AC_MSG_CHECKING(for __progname)
AC_COMPILE_IFELSE(
AC_LINK_IFELSE(
[
#include <stdio.h>
#include <stdlib.h>
extern char *__progname;
int main(void) { const char *cp = __progname; }
int main(void) {
const char *cp = __progname;
printf("%s\n", cp);
exit(0);
}
],
[AC_DEFINE(HAVE___PROGNAME) AC_MSG_RESULT(yes)],
AC_MSG_RESULT(no)