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commit    1c0cf52b39ca3a9a79661129cff918dc000a55eb
Author:   Peter Eisentraut <peter_e@gmx.net>
Date:     Tue Aug 30 16:00:00 2016 +0000
First released in: 10.0

    Use return instead of exit() in configure
    
    Using exit() requires stdlib.h, which is not included.  Use return
    instead.  Also add return type for main().
    
    Reviewed-by: Heikki Linnakangas <hlinnaka@iki.fi>
    Reviewed-by: Thomas Munro <thomas.munro@enterprisedb.com>


 config/c-compiler.m4 |  4 +++-
 config/c-library.m4  |  4 +++-
 configure            | 12 +++++++++---
 3 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/config/c-compiler.m4 b/config/c-compiler.m4
index a7f6773ae13..7d901e1f1aa 100644
--- a/config/c-compiler.m4
+++ b/config/c-compiler.m4
@@ -71,8 +71,10 @@ int does_int64_work()
     return 0;
   return 1;
 }
+
+int
 main() {
-  exit(! does_int64_work());
+  return (! does_int64_work());
 }])],
 [Ac_cachevar=yes],
 [Ac_cachevar=no],
diff --git a/config/c-library.m4 b/config/c-library.m4
index d330b0cf952..0a7452c1762 100644
--- a/config/c-library.m4
+++ b/config/c-library.m4
@@ -204,8 +204,10 @@ int does_int64_snprintf_work()
     return 0;			/* either multiply or snprintf is busted */
   return 1;
 }
+
+int
 main() {
-  exit(! does_int64_snprintf_work());
+  return (! does_int64_snprintf_work());
 }]])],
 [pgac_cv_snprintf_long_long_int_modifier=$pgac_modifier; break],
 [],
diff --git a/configure b/configure
index 55c771a11e9..3eb0faf77dc 100755
--- a/configure
+++ b/configure
@@ -13594,8 +13594,10 @@ int does_int64_work()
     return 0;
   return 1;
 }
+
+int
 main() {
-  exit(! does_int64_work());
+  return (! does_int64_work());
 }
 _ACEOF
 if ac_fn_c_try_run "$LINENO"; then :
@@ -13676,8 +13678,10 @@ int does_int64_work()
     return 0;
   return 1;
 }
+
+int
 main() {
-  exit(! does_int64_work());
+  return (! does_int64_work());
 }
 _ACEOF
 if ac_fn_c_try_run "$LINENO"; then :
@@ -13770,8 +13774,10 @@ int does_int64_snprintf_work()
     return 0;			/* either multiply or snprintf is busted */
   return 1;
 }
+
+int
 main() {
-  exit(! does_int64_snprintf_work());
+  return (! does_int64_snprintf_work());
 }
 _ACEOF
 if ac_fn_c_try_run "$LINENO"; then :


[parent: f1a469c9f1cf]