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-rw-r--r--autoconf-lib-link/INSTALL2
1 files changed, 1 insertions, 1 deletions
diff --git a/autoconf-lib-link/INSTALL b/autoconf-lib-link/INSTALL
index 6360f5d..c931887 100644
--- a/autoconf-lib-link/INSTALL
+++ b/autoconf-lib-link/INSTALL
@@ -212,7 +212,7 @@ Particular Systems
is not installed, it is recommended to use the following options in order
to use an ANSI C compiler:
- ./configure CC="cc -Ae"
+ ./configure CC="cc -Ae -D_XOPEN_SOURCE=500"
and if that doesn't work, install pre-built binaries of GCC for HP-UX.