* hurd/hurdinit.c (map0): Remove [!PIC] conditional.

	* shlib-versions (*-*-*): Add libutil=1.

	* rpm/Makefile (install-lib): Add libc.a et al.
	(install-others): Only add libc.so if $(build-shared) is yes.

	* math/Makefile (install-lib): New variable, list libieee.a.
	(non-lib.a): Likewise.
	(extra-objs): Likewise, and ieee-math.o.
	($(objpfx)libieee.a): New target, link to ieee-math.o.
	* math/ieee-math.c: New file.
	* sysdeps/unix/sysv/linux/Makefile [$(subdir)=math]: Remove setfpucw
	and libieee.a stuff.
	* sysdeps/unix/sysv/linux/ieee-fpucw.c: File removed.
	* sysdeps/unix/sysv/linux/i386/ieee_fpu.c: File removed.

ChangeLog

@@ -1,5 +1,22 @@
 Sun Jun 16 03:22:49 1996  Roland McGrath  <roland@delasyd.gnu.ai.mit.edu>
 
+	* hurd/hurdinit.c (map0): Remove [!PIC] conditional.
+
+	* shlib-versions (*-*-*): Add libutil=1.
+
+	* rpm/Makefile (install-lib): Add libc.a et al.
+	(install-others): Only add libc.so if $(build-shared) is yes.
+
+	* math/Makefile (install-lib): New variable, list libieee.a.
+	(non-lib.a): Likewise.
+	(extra-objs): Likewise, and ieee-math.o.
+	($(objpfx)libieee.a): New target, link to ieee-math.o.
+	* math/ieee-math.c: New file.
+	* sysdeps/unix/sysv/linux/Makefile [$(subdir)=math]: Remove setfpucw
+	and libieee.a stuff.
+	* sysdeps/unix/sysv/linux/ieee-fpucw.c: File removed.
+	* sysdeps/unix/sysv/linux/i386/ieee_fpu.c: File removed.
+
 	* sysdeps/unix/sysv/Makefile (sysdep_headers): Make append of termio.h
 	and rule for it conditional on termio.h not already being in
 	sysdep_headers.

hurd/hurdinit.c

@@ -202,15 +202,13 @@ _hurd_setproc (process_t procserver)
   return 0;
 }
 
-#ifndef	PIC
-
 /* Map the page at address zero with no access allowed, so
    dereferencing NULL will fault and no "anywhere" allocations
    (e.g. the out of line memory containing the argument strings)
    can be assigned address zero, which C says is not a valid pointer.
 
-   When dynamically linked, this will be done by the dynamic linker
-   before we run.  */
+   When dynamically linked, this should be done by the dynamic linker
+   before we run, but failing is harmless and we ignore the error.  */
 
 static void map0 (void) __attribute__ ((unused));
 text_set_element (_hurd_preinit_hook, map0);
@@ -223,5 +221,3 @@ map0 (void)
 	    &addr, __vm_page_size, 0, 0, MACH_PORT_NULL, 0, 1,
 	    VM_PROT_NONE, VM_PROT_NONE, VM_INHERIT_COPY);
 }
-
-#endif

math/Makefile

@@ -52,7 +52,6 @@ long-m-routines = $(patsubst %_rl,%l_r,$(libm-calls:=l)) # not ready yet
 #long-m-yes = $(long-m-routines) # uncomment this when code works
 #distribute += $(long-m-routines:=.c) # and this when at least all files exist
 
-
 # These functions are in libc instead of libm because __printf_fp
 # calls them, so any program using printf will need them linked in,
 # and we don't want to have to link every program with -lm.
@@ -62,6 +61,12 @@ long-c-yes = $(calls:=l)
 distribute += $(long-c-yes:=.c)
 
 
+# The -lieee module sets the _LIB_VERSION_ switch to IEEE mode
+# for error handling in the -lm functions.
+install-lib += libieee.a
+non-lib.a += libieee.a
+extra-objs += libieee.a ieee-math.o
+
 include ../Rules
 
 
@@ -82,3 +87,10 @@ endif
 
 # The fdlibm code generates a lot of these warnings but is otherwise clean.
 override CFLAGS += -Wno-uninitialized -Wno-write-strings
+
+# The -lieee library is actually an object file.
+# The module just defines the _LIB_VERSION_ variable.
+# It's not a library to make sure it is linked in instead of s_lib_version.o.
+$(objpfx)libieee.a: $(objpfx)ieee-math.o
+	rm -f $@
+	ln $< $@

math/ieee-math.c

@@ -0,0 +1,6 @@
+/* Linking in this module forces IEEE error handling rules for math functions.
+   The default is POSIX.1 error handling.  */
+
+#include <math.h>
+
+_LIB_VERSION_TYPE _LIB_VERSION = _IEEE_;

rpm/Makefile

@@ -38,6 +38,11 @@ install-lib += $(foreach lib,$(versioned),\
 			 $(patsubst %.so,%-$(version).so,$(lib)) \
 			 $(lib)$($(lib)-version) $(lib))
 
+# Add libc.a and libc_p.a.
+install-lib += $(foreach o,$(filter-out .so,$(object-suffixes)),\
+			 $(patsubst %,$(libtype$o),c))
+
+ifeq (yes,$(build-shared))
 # Add libc.so itself, which is a special case in Makerules.
 ifndef libc.so-version
 install-others += $(slibdir)/libc.so
@@ -46,6 +51,7 @@ install-others += $(libdir)/libc.so \
 		  $(slibdir)/libc-$(version).so \
 		  $(slibdir)/libc.so$(libc.so-version)
 endif
+endif
 
 
 all: glibc-$(version).$(config).rpm

shlib-versions

@@ -26,3 +26,7 @@ alpha-*-linux*		libc=6
 
 # The -ldl interface (see <dlfcn.h>) is the same on all platforms.
 *-*-*			libdl=2
+
+# So far the -lutil interface is the same on all platforms, except for the
+# `struct utmp' format, which depends on libc.
+*-*-*			libutil=1

sysdeps/unix/sysv/linux/Makefile

@@ -1,14 +1,3 @@
-ifeq ($(subdir), math)
-sysdep_routines += setfpucw
-extra-objs += ieee-fpucw.o
-install-lib += libieee.a
-non-lib.a += libieee.a
-
-$(objpfx)libieee.a: $(objpfx)ieee-fpucw.o
-	rm -f $@
-	ln $< $@
-endif
-
 ifeq ($(subdir), io)
 sysdep_routines += fxstat lxstat xstat
 endif