# HG changeset patch
# User Bruno Haible <bruno@clisp.org>
# Date 1331175773 -3600
# Node ID 8b3e493a68496c5a35e0fac5942aada8fec7e0c5
# Parent  c65f617394a792c6f29cc8fc8d6b7027c4084be0
expm1l: Avoid compilation error on AIX.

* lib/math.in.h (expm1l): 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>
+
+	expm1l: Avoid compilation error on AIX.
+	* lib/math.in.h (expm1l): Undefine macro before declaration. Needed on
+	AIX 5.2..7.1.
+
 2012-03-07  Bruno Haible  <bruno@clisp.org>
 
 	expm1l: 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
@@ -580,6 +580,7 @@
 
 #if @GNULIB_EXPM1L@
 # if !@HAVE_DECL_EXPM1L@
+#  undef expm1l
 _GL_FUNCDECL_SYS (expm1l, long double, (long double x));
 # endif
 _GL_CXXALIAS_SYS (expm1l, long double, (long double x));