Use derived-mode-p in previous change

[gnu-emacs] / configure.ac

diff --git a/configure.ac b/configure.ac
index e751dc1a3c608ea56ac87c4a37232912433dde04..3b1b9a92b543afb1e37760a1dc448013379cd00c 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -3750,6 +3750,11 @@ case $opsys in
     AC_DEFINE(DATA_START, [({ extern int data_start; (char *) &data_start; })])
     ;;
 
+  aix*)
+    dnl This works with 32-bit executables; Emacs doesn't support 64-bit.
+    AC_DEFINE(DATA_START, [0x20000000])
+    AC_DEFINE(DATA_SEG_BITS, [0x20000000])
+    ;;
   hpux*)
     dnl The data segment on this machine always starts at address 0x40000000.
     AC_DEFINE(DATA_START, [0x40000000])