[PATCH 1/2] Fix _GL_CMP parenthesization typo

[Paul Eggert]

* m4/gnulib-common.m4 (_GL_CMP): Properly parenthesize.
---
 ChangeLog           | 5 +++++
 m4/gnulib-common.m4 | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 23e809982..01577c9bb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2020-07-24  Paul Eggert  <eggert@cs.ucla.edu>
+
+       Fix _GL_CMP parenthesization typo
+       * m4/gnulib-common.m4 (_GL_CMP): Properly parenthesize.
+
 2020-07-24  Bruno Haible  <bruno@clisp.org>
 
        dfa: Revert breaking gawk.
diff --git a/m4/gnulib-common.m4 b/m4/gnulib-common.m4
index ba4239188..dfd4a258e 100644
--- a/m4/gnulib-common.m4
+++ b/m4/gnulib-common.m4
@@ -305,7 +305,7 @@ AC_DEFUN([gl_COMMON_BODY], [
    GCC versions up to GCC 9.
    The better code  (n1 > n2) - (n1 < n2)  from Hacker's Delight § 2-9
    avoids conditional jumps in all GCC versions >= 3.4.  */
-#define _GL_CMP(n1, n2) ((n1) > (n2)) - ((n1) < (n2))
+#define _GL_CMP(n1, n2) (((n1) > (n2)) - ((n1) < (n2)))
 ])
   dnl Hint which direction to take regarding cross-compilation guesses:
   dnl When a user installs a program on a platform they are not intimately
-- 
2.25.4