improve compat/getprogname on GNU libc

but why'd they called it program_invocation_short_name?  They couldn't
find a longer name?

1 files changed, 3 insertions, 0 deletions

diff --git a/configure b/configure
index 2943ac5..ff21509 100755
--- a/configure
+++ b/configure
@@ -49,6 +49,7 @@ HAVE_GETPROGNAME=
 HAVE_LIBEVENT=
 HAVE_LIBTLS=
 HAVE_OPENSSL=
+HAVE_PROGRAM_INVOCATION_SHORT_NAME=
 HAVE_PR_SET_NAME=
 HAVE_RECALLOCARRAY=
 HAVE_SETPROCTITLE=
@@ -233,6 +234,7 @@ runtest getprogname	GETPROGNAME	|| true
 runtest libevent	LIBEVENT	|| true
 runtest libtls		LIBTLS		|| true
 runtest openssl		OPENSSL		|| true
+runtest program_invocation_short_name PROGRAM_INVOCATION_SHORT_NAME "" -D_GNU_SOURCE || true
 runtest pr_set_name	PR_SET_NAME	|| true
 runtest recallocarray	RECALLOCARRAY	|| true
 runtest setproctitle	SETPROCTITLE	|| true
@@ -283,6 +285,7 @@ cat <<__HEREDOC__
 #define HAVE_EXPLICIT_BZERO	${HAVE_EXPLICIT_BZERO}
 #define HAVE_GETPROGNAME	${HAVE_GETPROGNAME}
 #define HAVE_LIBEVENT		${HAVE_LIBEVENT}
+#define HAVE_PROGRAM_INVOCATION_SHORT_NAME ${HAVE_PROGRAM_INVOCATION_SHORT_NAME}
 #define HAVE_PR_SET_NAME	${HAVE_PR_SET_NAME}
 #define HAVE_RECALLOCARRAY	${HAVE_RECALLOCARRAY}
 #define HAVE_SETPROCTITLE	${SETPROCTITLE}