bdwgc: Check for getcontext() API during configure

This helps in compiling dependent components like
guile where it shows the problem of missing getcontext
API when using libc which dont implement it e.g. musl

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>

diff --git a/meta/recipes-support/bdwgc/bdwgc/0001-configure.ac-add-check-for-NO_GETCONTEXT-definition.patch b/meta/recipes-support/bdwgc/bdwgc/0001-configure.ac-add-check-for-NO_GETCONTEXT-definition.patch
new file mode 100644 (file)
index 0000000..8ef774f
--- /dev/null
+++ b/meta/recipes-support/bdwgc/bdwgc/0001-configure.ac-add-check-for-NO_GETCONTEXT-definition.patch
@@ -0,0 +1,29 @@
+configure.ac: add check for NO_GETCONTEXT definition
+
+Signed-off-by: Samuel Martin <s.martin49@gmail.com>
+[yann.morin.1998@free.fr: add a comment, change variable name, use
+ AS_IF, remove debug traces, use AC_CHECK_FUNCS (as suggested by
+ Thomas)]
+Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
+Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+
+---
+Upstream-Status: Pending
+ configure.ac | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+--- bdwgc-7.2f.orig/configure.ac       2014-06-01 19:00:47.000000000 +0200
++++ bdwgc-7.2f/configure.ac    2014-12-23 14:13:11.585716713 +0100
+@@ -365,6 +365,12 @@
+   AC_MSG_RESULT($ac_cv_fno_strict_aliasing)
+ fi
+ 
++# Check for getcontext (uClibc can be configured without it, for example)
++AC_CHECK_FUNCS([getcontext])
++AS_IF([test "$ac_cv_func_getcontext" = "no"],
++  [CFLAGS="$CFLAGS -DNO_GETCONTEXT"
++   CPPFLAGS="$CPPFLAGS -DNO_GETCONTEXT"])
++
+ case "$host" in
+ # While IRIX 6 has libdl for the O32 and N32 ABIs, it's missing for N64
+ # and unnecessary everywhere.

diff --git a/meta/recipes-support/bdwgc/bdwgc_7.4.2.bb b/meta/recipes-support/bdwgc/bdwgc_7.4.2.bb
index 95e358f8e6c00451f089c9c6028abab1aa6a34ed..209f533b149830f00fa2f6d610bb1cdd02ea6d12 100644 (file)
--- a/meta/recipes-support/bdwgc/bdwgc_7.4.2.bb
+++ b/meta/recipes-support/bdwgc/bdwgc_7.4.2.bb
@@ -23,6 +23,7 @@ LIC_FILES_CHKSUM = "file://README.QUICK;md5=55f5088f90a982fed7af9a4897047ef7"
 
 SRC_URI = "http://www.hboehm.info/gc/gc_source/gc-${PV}.tar.gz \
            file://0001-fix-build-with-musl.patch \
+           file://0001-configure.ac-add-check-for-NO_GETCONTEXT-definition.patch \
           "
 
 SRC_URI[md5sum] = "12c05fd2811d989341d8c6d81f66af87"