While trying to track down Nelson H. F. Beebe's problems with Solaris 9,
I built coreutils 5.0.90 on Solaris 9 sparc (Forte Developer 7 C 5.4)
using the following options:
CC=c89 CFLAGS="-xO5 -dalign -xlibmil -xcg92 -xsafe=mem" CXX=CC CXXFLAGS=-xO5
and got the following diagnostics:
checking sys/sysinfo.h presence... yes
configure: WARNING: sys/sysinfo.h: present but cannot be compiled
configure: WARNING: sys/sysinfo.h: check for missing prerequisite headers?
configure: WARNING: sys/sysinfo.h: proceeding with the preprocessor's result
configure: WARNING: ## ------------------------------------ ##
configure: WARNING: ## Report this to [EMAIL PROTECTED] ##
configure: WARNING: ## ------------------------------------ ##
...
checking nfs/nfs_clnt.h presence... yes
configure: WARNING: nfs/nfs_clnt.h: present but cannot be compiled
configure: WARNING: nfs/nfs_clnt.h: check for missing prerequisite headers?
configure: WARNING: nfs/nfs_clnt.h: proceeding with the preprocessor's result
configure: WARNING: ## ------------------------------------ ##
configure: WARNING: ## Report this to [EMAIL PROTECTED] ##
configure: WARNING: ## ------------------------------------ ##
Here is a patch. (Perhaps all of coreutils should invoke
AC_CHECK_HEADERS in the new form? But I wasn't that ambitious here.)
2003-08-05 Paul Eggert <[EMAIL PROTECTED]>
* m4/prereq.m4 (jm_PREREQ_PHYSMEM, jm_PREREQ_STAT): Ignore headers
that are present but cannot be compiled. This avoids spurious warnings
on Solaris 9 sparc with Forte Developer 7 C 5.4.
Index: m4/prereq.m4
===================================================================
RCS file: /cvsroot/coreutils/coreutils/m4/prereq.m4,v
retrieving revision 1.72
diff -p -u -r1.72 prereq.m4
--- m4/prereq.m4 6 Jun 2003 07:07:13 -0000 1.72
+++ m4/prereq.m4 5 Aug 2003 22:57:16 -0000
@@ -118,7 +118,7 @@ AC_DEFUN([jm_PREREQ_PHYSMEM],
[
AC_CHECK_HEADERS([unistd.h sys/pstat.h sys/sysmp.h sys/sysinfo.h \
machine/hal_sysinfo.h sys/table.h sys/param.h sys/sysctl.h \
- sys/systemcfg.h])
+ sys/systemcfg.h],,, [AC_INCLUDES_DEFAULT])
AC_CHECK_FUNCS(pstat_getstatic pstat_getdynamic sysmp getsysinfo sysctl table)
AC_REQUIRE([gl_SYS__SYSTEM_CONFIGURATION])
@@ -191,7 +191,8 @@ AC_DEFUN([jm_PREREQ_STAT],
AC_CHECK_FUNCS(statvfs)
# For `struct statfs' on Ultrix 4.4.
- AC_CHECK_HEADERS(netinet/in.h nfs/nfs_clnt.h nfs/vfs.h)
+ AC_CHECK_HEADERS([netinet/in.h nfs/nfs_clnt.h nfs/vfs.h],,,
+ [AC_INCLUDES_DEFAULT])
AC_REQUIRE([jm_AC_TYPE_LONG_LONG])
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