# HG changeset patch
# User Bruno Haible <bruno@clisp.org>
# Date 1331173040 -3600
# Node ID f57d6aac15cebee43353ea04a7620cba4c2105be
# Parent  549120e12a45377450f6834ac6ddec399c3b27e7
roundl: Avoid compilation error on AIX.

* lib/math.in.h (roundl): Undefine macro before declaration. Needed on
AIX 5.2..7.1.

diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2012-03-07  Bruno Haible  <bruno@clisp.org>
+
+	roundl: Avoid compilation error on AIX.
+	* lib/math.in.h (roundl): Undefine macro before declaration. Needed on
+	AIX 5.2..7.1.
+
 2012-03-07  Bruno Haible  <bruno@clisp.org>
 
 	roundl: Don't override undeclared system function on IRIX 6.5.
diff --git a/lib/math.in.h b/lib/math.in.h
--- a/lib/math.in.h
+++ b/lib/math.in.h
@@ -1375,6 +1375,7 @@
 _GL_CXXALIAS_RPL (roundl, long double, (long double x));
 # else
 #  if !@HAVE_DECL_ROUNDL@
+#   undef roundl
 _GL_FUNCDECL_SYS (roundl, long double, (long double x));
 #  endif
 _GL_CXXALIAS_SYS (roundl, long double, (long double x));