coreclr-git: Try to detect copysign(3) on NetBSD

[Kamil Rytarowski <n54%gmx.com@localhost>]

Module Name:	pkgsrc-wip
Committed By:	Kamil Rytarowski <n54%gmx.com@localhost>
Pushed By:	kamil
Date:		Fri Jan 22 14:33:26 2016 +0100
Changeset:	68768da9093ffceb89dd72380d9b26f1534eadff

Modified Files:
	coreclr-git/distinfo
Added Files:
	coreclr-git/patches/patch-src_pal_src_configure.cmake

Log Message:
coreclr-git: Try to detect copysign(3) on NetBSD

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=68768da9093ffceb89dd72380d9b26f1534eadff

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

diffstat:
 coreclr-git/distinfo                                  |  1 +
 coreclr-git/patches/patch-src_pal_src_configure.cmake | 14 ++++++++++++++
 2 files changed, 15 insertions(+)

diffs:
diff --git a/coreclr-git/distinfo b/coreclr-git/distinfo
index d25b41c..da6c589 100644
--- a/coreclr-git/distinfo
+++ b/coreclr-git/distinfo
@@ -1,3 +1,4 @@
 $NetBSD$
 
 SHA1 (patch-src_pal_inc_pal.h) = bbe7bf6d609415ecec4993bdc3e1ec5b6f94f99a
+SHA1 (patch-src_pal_src_configure.cmake) = 5992f682acefd124861eebc1cb9d40da600b2b33
diff --git a/coreclr-git/patches/patch-src_pal_src_configure.cmake b/coreclr-git/patches/patch-src_pal_src_configure.cmake
new file mode 100644
index 0000000..dcc4a47
--- /dev/null
+++ b/coreclr-git/patches/patch-src_pal_src_configure.cmake
@@ -0,0 +1,14 @@
+$NetBSD$
+
+--- src/pal/src/configure.cmake.orig	2016-01-22 10:23:14.000000000 +0000
++++ src/pal/src/configure.cmake
+@@ -46,7 +46,9 @@ check_library_exists(pthread pthread_get
+ check_library_exists(pthread pthread_sigqueue "" HAVE_PTHREAD_SIGQUEUE)
+ check_function_exists(sigreturn HAVE_SIGRETURN)
+ check_function_exists(_thread_sys_sigreturn HAVE__THREAD_SYS_SIGRETURN)
++set(CMAKE_REQUIRED_LIBRARIES m)
+ check_function_exists(copysign HAVE_COPYSIGN)
++set(CMAKE_REQUIRED_LIBRARIES)
+ check_function_exists(fsync HAVE_FSYNC)
+ check_function_exists(futimes HAVE_FUTIMES)
+ check_function_exists(utimes HAVE_UTIMES)