[Guile-commits] GNU Guile branch, stable-2.0, updated. v2.0.5-227-g407d13d

[Ludovic Courtès]

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http://git.savannah.gnu.org/cgit/guile.git/commit/?id=407d13dddc2ecd5fef317520529f3ddff28a9213

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- Log -----------------------------------------------------------------
commit 407d13dddc2ecd5fef317520529f3ddff28a9213
Author: Ludovic Courtès <address@hidden>
Date:   Sat Jul 7 00:20:20 2012 +0200

    Add missing `m4/clock_time.m4'.

-----------------------------------------------------------------------

Summary of changes:
 m4/clock_time.m4 |   38 ++++++++++++++++++++++++++++++++++++++
 1 files changed, 38 insertions(+), 0 deletions(-)
 create mode 100644 m4/clock_time.m4

diff --git a/m4/clock_time.m4 b/m4/clock_time.m4
new file mode 100644
index 0000000..fb3a17a
--- /dev/null
+++ b/m4/clock_time.m4
@@ -0,0 +1,38 @@
+# clock_time.m4 serial 10
+dnl Copyright (C) 2002-2006, 2009-2012 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+# Check for clock_gettime and clock_settime, and set LIB_CLOCK_GETTIME.
+# For a program named, say foo, you should add a line like the following
+# in the corresponding Makefile.am file:
+# foo_LDADD = $(LDADD) $(LIB_CLOCK_GETTIME)
+
+AC_DEFUN([gl_CLOCK_TIME],
+[
+  dnl Persuade glibc and Solaris <time.h> to declare these functions.
+  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
+
+  # Solaris 2.5.1 needs -lposix4 to get the clock_gettime function.
+  # Solaris 7 prefers the library name -lrt to the obsolescent name -lposix4.
+
+  # Save and restore LIBS so e.g., -lrt, isn't added to it.  Otherwise, *all*
+  # programs in the package would end up linked with that potentially-shared
+  # library, inducing unnecessary run-time overhead.
+  LIB_CLOCK_GETTIME=
+  AC_SUBST([LIB_CLOCK_GETTIME])
+  gl_saved_libs=$LIBS
+    AC_SEARCH_LIBS([clock_gettime], [rt posix4],
+                   [if test "$ac_cv_search_clock_gettime" = "none required"; 
then
+                      AC_SEARCH_LIBS([clock_getcpuclockid], [rt posix4],
+                                     [test "$ac_cv_search_clock_getcpuclockid" 
= "none required" \
+                                      || 
LIB_CLOCK_GETTIME=$ac_cv_search_clock_getcpuclockid],
+                                     [test "$ac_cv_search_clock_gettime" = 
"none required" \
+                                      || 
LIB_CLOCK_GETTIME=$ac_cv_search_clock_gettime])
+                    else
+                      LIB_CLOCK_GETTIME=$ac_cv_search_clock_gettime
+                    fi])
+    AC_CHECK_FUNCS([clock_gettime clock_settime clock_getcpuclockid])
+  LIBS=$gl_saved_libs
+])


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