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-rw-r--r--lib/string.in.h20
1 files changed, 18 insertions, 2 deletions
diff --git a/lib/string.in.h b/lib/string.in.h
index 9f68e77c767..c76c1820b36 100644
--- a/lib/string.in.h
+++ b/lib/string.in.h
@@ -69,6 +69,14 @@
# include <unistd.h>
#endif
+/* AIX 7.2 declares ffsl and ffsll in <strings.h>, not in <string.h>. */
+/* But in any case avoid namespace pollution on glibc systems. */
+#if ((@GNULIB_FFSL@ || @GNULIB_FFSLL@ || defined GNULIB_POSIXCHECK) \
+ && defined _AIX) \
+ && ! defined __GLIBC__
+# include <strings.h>
+#endif
+
/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
/* The definition of _GL_ARG_NONNULL is copied here. */
@@ -110,10 +118,18 @@ _GL_WARN_ON_USE (ffsl, "ffsl is not portable - use the ffsl module");
/* Find the index of the least-significant set bit. */
#if @GNULIB_FFSLL@
-# if !@HAVE_FFSLL@
+# if @REPLACE_FFSLL@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# define ffsll rpl_ffsll
+# endif
+_GL_FUNCDECL_RPL (ffsll, int, (long long int i));
+_GL_CXXALIAS_RPL (ffsll, int, (long long int i));
+# else
+# if !@HAVE_FFSLL@
_GL_FUNCDECL_SYS (ffsll, int, (long long int i));
-# endif
+# endif
_GL_CXXALIAS_SYS (ffsll, int, (long long int i));
+# endif
_GL_CXXALIASWARN (ffsll);
#elif defined GNULIB_POSIXCHECK
# undef ffsll