diff options
| -rw-r--r-- | configure.ac | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac index a42d205..862e2c0 100644 --- a/configure.ac +++ b/configure.ac @@ -73,8 +73,13 @@ if test "$os_unix" = "yes"; then # Check if these are declared and/or available to link against AC_CHECK_DECLS([program_invocation_short_name]) - AC_LINK_IFELSE([AC_LANG_SOURCE([extern char *program_invocation_short_name; void main() { }])], - [AC_DEFINE(HAVE_PROGRAM_INVOCATION_SHORT_NAME, [1], [Whether program_invocation_short_name available])]) + AC_MSG_CHECKING([whether program_invocation_short_name is available]) + AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <argp.h>]], + [[program_invocation_short_name = "test";]])], + [AC_DEFINE([HAVE_PROGRAM_INVOCATION_SHORT_NAME], [1], + [Whether program_invocation_short_name available]), + AC_MSG_RESULT([yes])], + [AC_MSG_RESULT([no])]) AC_CHECK_DECLS([__progname]) AC_LINK_IFELSE([AC_LANG_SOURCE([extern char *__progname; void main() { }])], [AC_DEFINE(HAVE___PROGNAME, [1], [Whether __progname available])]) |