knu	2007-10-05 16:24:19 +0900 (Fri, 05 Oct 2007)

  New Revision: 13636

  Modified files:
    trunk/ChangeLog
    trunk/configure.in

  Log:
    * configure.in: Turn on --enable-pthread by default for FreeBSD
      5.2.1-RELEASE and later, and remove pthread support for older
      versions which has never worked perfectly.


  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ChangeLog?r1=13636&r2=13635
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/configure.in?r1=13636&r2=13635

Index: configure.in
===================================================================
--- configure.in	(revision 13635)
+++ configure.in	(revision 13636)
@@ -392,17 +392,31 @@
 AC_CHECK_DECLS([sys_nerr], [], [], [$ac_includes_default
 #include <errno.h>])
 
-dnl whether link libc_r or not
-AC_ARG_WITH(libc_r, 
-	[  --with-libc_r           link libc_r if possible (FreeBSD only)], [
-	case $withval in
-	yes) with_libc_r=yes;;
-	*)   with_libc_r=no;;
-	esac], [with_libc_r=no])
+case "$target_os" in
+freebsd*)
+  AC_CACHE_CHECK([whether pthread should be enabled by default],
+    rb_cv_enable_pthread_default,
+    [AC_TRY_CPP([
+#include <osreldate.h>
+#if __FreeBSD_version < 502102
+#error pthread should be disabled on this platform
+#endif
+      ],
+      rb_cv_enable_pthread_default=yes,
+      rb_cv_enable_pthread_default=no)])
+  enable_pthread_default=$rb_cv_enable_pthread_default
+  ;;
+mingw*)
+  enable_pthread_default=no
+  ;;
+*)
+  enable_pthread_default=yes
+  ;;
+esac
 
 AC_ARG_ENABLE(pthread,
        [  --enable-pthread        use pthread library.],
-       [enable_pthread=$enableval], [enable_pthread=yes])
+       [enable_pthread=$enableval], [enable_pthread=$enable_pthread_default])
 
 dnl Checks for libraries.
 case "$target_os" in
@@ -452,7 +466,6 @@
 		ac_cv_lib_dl_dlopen=no
 		rb_cv_binary_elf=no
 		rb_cv_negative_time_t=no
-		enable_pthread=no
 		ac_cv_func_fcntl=yes
 		;;
 os2-emx*)	LIBS="-lm $LIBS"
@@ -482,22 +495,6 @@
 		if test "$rb_cv_lib_xpg4_needed" = yes; then
 			AC_CHECK_LIB(xpg4, setlocale)
 		fi
-		if test "$with_libc_r" = yes; then
-			AC_CACHE_CHECK([whether libc_r is supplementary to libc],
-			  rb_cv_supplementary_lib_c_r,
-			  [AC_TRY_CPP([
-#include <osreldate.h>
-#if 500016 <= __FreeBSD_version
-#error libc_r is supplementary to libc
-#endif
-			   ],
-			   rb_cv_supplementary_lib_c_r=no,
-			   rb_cv_supplementary_lib_c_r=yes,
-			   rb_cv_supplementary_lib_c_r=yes)])
-			if test "$rb_cv_supplementary_lib_c_r" = yes; then
-			   MAINLIBS="-lc_r $MAINLIBS"
-			fi
-		fi
 		;;
 dragonfly*)	LIBS="-lm $LIBS"
 		;;
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 13635)
+++ ChangeLog	(revision 13636)
@@ -1,3 +1,9 @@
+Fri Oct  5 16:15:52 2007  Akinori MUSHA  <knu@i...>
+
+	* configure.in: Turn on --enable-pthread by default for FreeBSD
+	  5.2.1-RELEASE and later, and remove pthread support for older
+	  versions which has never worked perfectly.
+
 Fri Oct  5 16:11:50 2007  Akinori MUSHA  <knu@i...>
 
 	* time.c (time_to_s): Fix documentation.  Time format changed.

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