Support builds when sys/param.h is missing

An option is added to the Makefile to skip the inclusion of sys/param.h.
The only known platform with this condition thus far is the z/OS UNIX System
Services environment.

Signed-off-by: David Michael <fedora.dm0@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Makefile b/Makefile
index 6b73c14aa0f2e09d4968e26385dc5668c3524428..81c12db274112fbe973c203eb5026dc197b9efbd 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -165,6 +165,8 @@ all::
 # Define NO_POLL if you do not have or don't want to use poll().
 # This also implies NO_SYS_POLL_H.
 #
+# Define NO_SYS_PARAM_H if you don't have sys/param.h.
+#
 # Define NO_PTHREADS if you do not have or do not want to use Pthreads.
 #
 # Define NO_PREAD if you have a problem with pread() system call (e.g.
@@ -1739,6 +1741,9 @@ endif
 ifdef NO_SYS_POLL_H
        BASIC_CFLAGS += -DNO_SYS_POLL_H
 endif
+ifdef NO_SYS_PARAM_H
+       BASIC_CFLAGS += -DNO_SYS_PARAM_H
+endif
 ifdef NO_INTTYPES_H
        BASIC_CFLAGS += -DNO_INTTYPES_H
 endif

diff --git a/configure.ac b/configure.ac
index c85888c851c39d4ac88e1ba8b1a35a6f14a97ca7..1393aa336cd3addc72b327d8d38b91afdd867dbf 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -699,6 +699,12 @@ AC_CHECK_HEADER([sys/poll.h],
 [NO_SYS_POLL_H=UnfortunatelyYes])
 GIT_CONF_SUBST([NO_SYS_POLL_H])
 #
+# Define NO_SYS_PARAM_H if you don't have sys/param.h
+AC_CHECK_HEADER([sys/param.h],
+[NO_SYS_PARAM_H=],
+[NO_SYS_PARAM_H=UnfortunatelyYes])
+GIT_CONF_SUBST([NO_SYS_PARAM_H])
+#
 # Define NO_INTTYPES_H if you don't have inttypes.h
 AC_CHECK_HEADER([inttypes.h],
 [NO_INTTYPES_H=],

diff --git a/git-compat-util.h b/git-compat-util.h
index 2e79b8a2f379d7c72a0934b36c7538db2143c722..ace154901fa397885e2eae24d7b5b9da3663eca2 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -104,7 +104,9 @@
 #endif
 #include <errno.h>
 #include <limits.h>
+#ifndef NO_SYS_PARAM_H
 #include <sys/param.h>
+#endif
 #include <sys/types.h>
 #include <dirent.h>
 #include <sys/time.h>