diff --git a/crossbuild-runner/backends/sparc/stuff-groveled-from-headers.lisp b/crossbuild-runner/backends/sparc/stuff-groveled-from-headers.lisp
index 4d96c2e81..7dd8b41e0 100644
--- a/crossbuild-runner/backends/sparc/stuff-groveled-from-headers.lisp
+++ b/crossbuild-runner/backends/sparc/stuff-groveled-from-headers.lisp
@@ -7,6 +7,7 @@
 (defconstant rtld-lazy 1) ; #x1
 (defconstant rtld-now 2) ; #x2
 (defconstant rtld-global 256) ; #x100
+
 (in-package "SB-UNIX")
 
 ;;; select()
@@ -19,17 +20,16 @@
 (defconstant pollnval 32) ; #x20
 (defconstant pollerr 8) ; #x8
 (define-alien-type nfds-t (unsigned 32))
-;;; langinfo
-(defconstant codeset 14) ; #xe
 ;;; types, types, types
 (define-alien-type clock-t (signed 32))
-(define-alien-type dev-t (unsigned 64))
+(define-alien-type dev-t (unsigned 32))
 (define-alien-type gid-t (unsigned 32))
 (define-alien-type ino-t (unsigned 32))
 (define-alien-type mode-t (unsigned 32))
 (define-alien-type nlink-t (unsigned 32))
 (define-alien-type off-t (signed 32))
 (define-alien-type size-t (unsigned 32))
+(define-alien-type ssize-t (signed 32))
 (define-alien-type time-t (signed 32))
 (define-alien-type suseconds-t (signed 32))
 (define-alien-type uid-t (unsigned 32))
@@ -37,7 +37,7 @@
 ;; Don't use these types for anything other than the stat wrapper.
 (define-alien-type wst-ino-t (unsigned 32))
 (define-alien-type wst-dev-t (unsigned 32))
-(define-alien-type wst-off-t (unsigned 32))
+(define-alien-type wst-off-t (signed 32))
 (define-alien-type wst-blksize-t (signed 32))
 (define-alien-type wst-blkcnt-t (signed 32))
 (define-alien-type wst-nlink-t (unsigned 32))
@@ -54,11 +54,11 @@
 (defconstant o_rdonly 0) ; #x0
 (defconstant o_wronly 1) ; #x1
 (defconstant o_rdwr 2) ; #x2
-(defconstant o_accmode 3) ; #x3
-(defconstant o_creat 512) ; #x200
-(defconstant o_excl 2048) ; #x800
-(defconstant o_noctty 32768) ; #x8000
-(defconstant o_trunc 1024) ; #x400
+(defconstant o_accmode 6291459) ; #x600003
+(defconstant o_creat 256) ; #x100
+(defconstant o_excl 1024) ; #x400
+(defconstant o_noctty 2048) ; #x800
+(defconstant o_trunc 512) ; #x200
 (defconstant o_append 8) ; #x8
 ;;;
 (defconstant s-ifmt 61440) ; #xf000
@@ -78,51 +78,54 @@
 (defconstant eagain 11) ; #xb
 (defconstant eio 5) ; #x5
 (defconstant eexist 17) ; #x11
-(defconstant eloop 62) ; #x3e
-(defconstant espipe 29) ; #x1d
+(defconstant eloop 90) ; #x5a
 (defconstant epipe 32) ; #x20
+(defconstant espipe 29) ; #x1d
 (defconstant ewouldblock 11) ; #xb
 
+(defconstant sc-nprocessors-onln 15) ; #xf
 ;;; for waitpid() in run-program.lisp
-(defconstant wnohang 1) ; #x1
-(defconstant wuntraced 2) ; #x2
+(defconstant wcontinued 8) ; #x8
+(defconstant wnohang 64) ; #x40
+(defconstant wuntraced 4) ; #x4
 
 ;;; various ioctl(2) flags
-(defconstant tiocgpgrp 1074033795) ; #x40047483
+(defconstant tiocgpgrp 29716) ; #x7414
 
 ;;; signals
-(defconstant sizeof-sigset_t 128) ; #x80
-(defconstant sig_setmask 2) ; #x2
+(defconstant sizeof-sigset_t 16) ; #x10
+(defconstant sig_block 1) ; #x1
 (defconstant sig_unblock 2) ; #x2
+(defconstant sig_setmask 3) ; #x3
 (defconstant sigalrm 14) ; #xe
 (defconstant sigbus 10) ; #xa
-(defconstant sigchld 20) ; #x14
-(defconstant sigcont 19) ; #x13
+(defconstant sigchld 18) ; #x12
+(defconstant sigcont 25) ; #x19
 (defconstant sigemt 7) ; #x7
 (defconstant sigfpe 8) ; #x8
 (defconstant sighup 1) ; #x1
 (defconstant sigill 4) ; #x4
 (defconstant sigint 2) ; #x2
-(defconstant sigio 23) ; #x17
+(defconstant sigio 22) ; #x16
 (defconstant sigkill 9) ; #x9
 (defconstant sigpipe 13) ; #xd
-(defconstant sigprof 27) ; #x1b
+(defconstant sigprof 29) ; #x1d
 (defconstant sigquit 3) ; #x3
 (defconstant sigsegv 11) ; #xb
-(defconstant sigstop 17) ; #x11
+(defconstant sigstop 23) ; #x17
 (defconstant sigsys 12) ; #xc
 (defconstant sigterm 15) ; #xf
 (defconstant sigtrap 5) ; #x5
-(defconstant sigtstp 18) ; #x12
-(defconstant sigttin 21) ; #x15
-(defconstant sigttou 22) ; #x16
-(defconstant sigurg 16) ; #x10
-(defconstant sigusr1 30) ; #x1e
-(defconstant sigusr2 31) ; #x1f
-(defconstant sigvtalrm 26) ; #x1a
-(defconstant sigwinch 28) ; #x1c
-(defconstant sigxcpu 24) ; #x18
-(defconstant sigxfsz 25) ; #x19
+(defconstant sigtstp 24) ; #x18
+(defconstant sigttin 26) ; #x1a
+(defconstant sigttou 27) ; #x1b
+(defconstant sigurg 21) ; #x15
+(defconstant sigusr1 16) ; #x10
+(defconstant sigusr2 17) ; #x11
+(defconstant sigvtalrm 28) ; #x1c
+(defconstant sigwinch 20) ; #x14
+(defconstant sigxcpu 30) ; #x1e
+(defconstant sigxfsz 31) ; #x1f
 (defconstant fpe-intovf 2) ; #x2
 (defconstant fpe-intdiv 1) ; #x1
 (defconstant fpe-fltdiv 3) ; #x3
@@ -132,10 +135,9 @@
 (defconstant fpe-fltinv 7) ; #x7
 (defconstant fpe-fltsub 8) ; #x8
 
-(defconstant clock-process-cputime-id 2) ; #x2
-(defconstant clock-monotonic-coarse 6) ; #x6
-(defconstant clock-thread-cputime-id 3) ; #x3
-
+(defconstant clock-realtime 3) ; #x3
+(defconstant clock-monotonic 4) ; #x4
+(defconstant clock-process-cputime-id 5) ; #x5
 ;;; structures
 (define-alien-type nil
   (struct timeval
@@ -154,4 +156,3 @@
 
 ;;; Our runtime types
 (define-alien-type os-vm-size-t (unsigned 32))
-
diff --git a/crossbuild-runner/build-all.sh b/crossbuild-runner/build-all.sh
index b1d6dfa9c..2d38153c4 100755
--- a/crossbuild-runner/build-all.sh
+++ b/crossbuild-runner/build-all.sh
@@ -25,11 +25,14 @@ do
   echo '(lambda (features) (union features (list :os-provides-dlopen ' > $ltf
   echo ":$arch" >> $ltf
   # x86 and x86-64 are tested as if #+win32. Unix is otherwise plenty tested.
-  if [ $arch = x86 -o $arch = x86-64 ]; then
-    echo ':win32 :sb-thread :sb-safepoint' >> $ltf
-  else
-    echo ':unix :linux :elf' >> $ltf
-  fi
+  case $arch in
+  x86 | x86-64)
+    echo ':win32 :sb-thread :sb-safepoint' >> $ltf ;;
+  sparc)
+    echo ':unix :sunos :elf' >> $ltf ;;
+  *)
+    echo ':unix :linux :elf' >> $ltf ;;
+  esac
   cat crossbuild-runner/backends/$arch/features >> $ltf
   cat crossbuild-runner/backends/$arch/local-target-features >> $ltf
   echo ')))' >> $ltf
diff --git a/float-math.lisp-expr b/float-math.lisp-expr
index a26f8e270..d67239678 100644
--- a/float-math.lisp-expr
+++ b/float-math.lisp-expr
@@ -1924,6 +1924,7 @@
 (= (#x4A #.(MAKE-DOUBLE-FLOAT #x40528000 #x0)) T)
 (= (#x4E #.(MAKE-DOUBLE-FLOAT #x40538000 #x0)) T)
 (= (#x51 #.(MAKE-DOUBLE-FLOAT #x40544000 #x0)) T)
+(= (#x5A #.(MAKE-DOUBLE-FLOAT #x40568000 #x0)) T)
 (= (#x60 #.(MAKE-DOUBLE-FLOAT #x40580000 #x0)) T)
 (= (#x70 #.(MAKE-DOUBLE-FLOAT #x405C0000 #x0)) T)
 (= (#x80 #.(MAKE-DOUBLE-FLOAT #x40600000 #x0)) T)
@@ -3974,6 +3975,7 @@
 (COERCE (#x4A DOUBLE-FLOAT) #.(MAKE-DOUBLE-FLOAT #x40528000 #x0))
 (COERCE (#x4E DOUBLE-FLOAT) #.(MAKE-DOUBLE-FLOAT #x40538000 #x0))
 (COERCE (#x51 DOUBLE-FLOAT) #.(MAKE-DOUBLE-FLOAT #x40544000 #x0))
+(COERCE (#x5A DOUBLE-FLOAT) #.(MAKE-DOUBLE-FLOAT #x40568000 #x0))
 (COERCE (#x60 DOUBLE-FLOAT) #.(MAKE-DOUBLE-FLOAT #x40580000 #x0))
 (COERCE (#x70 DOUBLE-FLOAT) #.(MAKE-DOUBLE-FLOAT #x405C0000 #x0))
 (COERCE (#x80 DOUBLE-FLOAT) #.(MAKE-DOUBLE-FLOAT #x40600000 #x0))