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authorTom Lane2017-02-25 23:10:09 +0000
committerTom Lane2017-02-25 23:10:09 +0000
commit2bd7f85796ec373ecae61dd480437b3e668ec883 (patch)
treef4f137a5e74b3e0583178fd4078d2f94427fe48b /config
parent9e3755ecb2d058f7d123dd35a2e1784006190962 (diff)
Remove some configure header-file checks that we weren't really using.
We had some AC_CHECK_HEADER tests that were really wastes of cycles, because the code proceeded to #include those headers unconditionally anyway, in all or a large majority of cases. The lack of complaints shows that those headers are available on every platform of interest, so we might as well let configure run a bit faster by not probing those headers at all. I suspect that some of the tests I left alone are equally useless, but since all the existing #includes of the remaining headers are properly guarded, I didn't touch them.
Diffstat (limited to 'config')
-rw-r--r--config/ac_func_accept_argtypes.m49
-rw-r--r--config/c-library.m410
2 files changed, 6 insertions, 13 deletions
diff --git a/config/ac_func_accept_argtypes.m4 b/config/ac_func_accept_argtypes.m4
index e57f3e6f00..ee28bacf4b 100644
--- a/config/ac_func_accept_argtypes.m4
+++ b/config/ac_func_accept_argtypes.m4
@@ -14,9 +14,6 @@ dnl #define ACCEPT_TYPE_ARG1 int
dnl #define ACCEPT_TYPE_ARG2 struct sockaddr *
dnl #define ACCEPT_TYPE_ARG3 socklen_t
dnl
-dnl This macro requires AC_CHECK_HEADERS to have already verified the
-dnl presence or absence of sys/types.h and sys/socket.h.
-dnl
dnl NOTE: This is just a modified version of the AC_FUNC_SELECT_ARGTYPES
dnl macro. Credit for that one goes to David MacKenzie et. al.
dnl
@@ -51,12 +48,8 @@ AC_DEFUN([AC_FUNC_ACCEPT_ARGTYPES],
for ac_cv_func_accept_arg2 in 'struct sockaddr *' 'const struct sockaddr *' 'void *'; do
for ac_cv_func_accept_arg3 in 'int' 'size_t' 'socklen_t' 'unsigned int' 'void'; do
AC_COMPILE_IFELSE([AC_LANG_SOURCE(
-[#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#ifdef HAVE_SYS_SOCKET_H
+[#include <sys/types.h>
#include <sys/socket.h>
-#endif
extern $ac_cv_func_accept_return accept ($ac_cv_func_accept_arg1, $ac_cv_func_accept_arg2, $ac_cv_func_accept_arg3 *);])],
[ac_not_found=no; break 4], [ac_not_found=yes])
done
diff --git a/config/c-library.m4 b/config/c-library.m4
index 4ff8dae141..9c2207b03d 100644
--- a/config/c-library.m4
+++ b/config/c-library.m4
@@ -111,8 +111,12 @@ fi
AC_DEFUN([PGAC_UNION_SEMUN],
[AC_CHECK_TYPES([union semun], [], [],
[#include <sys/types.h>
+#ifdef HAVE_SYS_IPC_H
#include <sys/ipc.h>
-#include <sys/sem.h>])])# PGAC_UNION_SEMUN
+#endif
+#ifdef HAVE_SYS_SEM_H
+#include <sys/sem.h>
+#endif])])# PGAC_UNION_SEMUN
# PGAC_STRUCT_SOCKADDR_UN
@@ -135,9 +139,7 @@ AC_DEFUN([PGAC_STRUCT_SOCKADDR_UN],
AC_DEFUN([PGAC_STRUCT_SOCKADDR_STORAGE],
[AC_CHECK_TYPES([struct sockaddr_storage], [], [],
[#include <sys/types.h>
-#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
-#endif
])])# PGAC_STRUCT_SOCKADDR_STORAGE
# PGAC_STRUCT_SOCKADDR_STORAGE_MEMBERS
@@ -154,9 +156,7 @@ AC_DEFUN([PGAC_STRUCT_SOCKADDR_STORAGE_MEMBERS],
struct sockaddr_storage.__ss_len,
struct sockaddr.sa_len], [], [],
[#include <sys/types.h>
-#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
-#endif
])])# PGAC_STRUCT_SOCKADDR_STORAGE_MEMBERS