Add experimental AIX support.

This includes a WIP failsafe issetugid for now, while research continues
on the proper way to do this in a race-free fashion in AIX.

1 files changed, 5 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
index 67266cb..75a1ec2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,6 +18,10 @@ LT_INIT
 CFLAGS="$CFLAGS -Wall -std=gnu99"
 
 case $host_os in
+        *aix*)
+                HOST_OS=aix
+                AC_SUBST([PLATFORM_LDADD], ['-lperfstat -lpthread'])
+                ;;
         *cygwin*)
                 HOST_OS=cygwin
                 ;;
@@ -68,6 +72,7 @@ case $host_os in
         *) ;;
 esac
 
+AM_CONDITIONAL([HOST_AIX],     [test x$HOST_OS = xaix])
 AM_CONDITIONAL([HOST_CYGWIN],  [test x$HOST_OS = xcygwin])
 AM_CONDITIONAL([HOST_DARWIN],  [test x$HOST_OS = xdarwin])
 AM_CONDITIONAL([HOST_FREEBSD], [test x$HOST_OS = xfreebsd])