From: Martin Lucina <martin@lucina.net>
Date: Tue, 20 Jan 2015 12:09:24 +0000 (+0100)
Subject: app-tools, buildxen: Disable use of sincos[f] by GCC
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=75554953cb023449280442779a05e9ed576da1ef;p=rumpuser-xen.git

app-tools, buildxen: Disable use of sincos[f] by GCC

Fixes issue #20.

Signed-off-by: Martin Lucina <martin@lucina.net>
---

diff --git a/app-tools/rumpapp-xen-cc.configure.in b/app-tools/rumpapp-xen-cc.configure.in
index f97fa3c..ab76cb0 100755
--- a/app-tools/rumpapp-xen-cc.configure.in
+++ b/app-tools/rumpapp-xen-cc.configure.in
@@ -3,4 +3,7 @@ set -e
 case " $* " in
 *" -v "*)   set -x ;;
 esac
-exec ${RUMP_APPTOOLS_CC:-cc} -no-integrated-cpp -specs=!APPTOOLS!/specs.configure "$@"
+exec ${RUMP_APPTOOLS_CC:-cc} \
+    -fno-builtin-sin -fno-builtin-cos \
+    -fno-builtin-sinf -fno-builtin-cosf \
+    -no-integrated-cpp -specs=!APPTOOLS!/specs.configure "$@"
diff --git a/app-tools/rumpapp-xen-cc.in b/app-tools/rumpapp-xen-cc.in
index ab09a74..6110abc 100755
--- a/app-tools/rumpapp-xen-cc.in
+++ b/app-tools/rumpapp-xen-cc.in
@@ -3,4 +3,8 @@ set -e
 case " $* " in
 *" -v "*)   set -x ;;
 esac
-exec ${RUMP_APPTOOLS_CC:-cc} -fno-stack-protector -no-integrated-cpp -specs=!APPTOOLS!/specs "$@"
+exec ${RUMP_APPTOOLS_CC:-cc} \
+    -fno-stack-protector \
+    -fno-builtin-sin -fno-builtin-cos \
+    -fno-builtin-sinf -fno-builtin-cosf \
+    -no-integrated-cpp -specs=!APPTOOLS!/specs "$@"
diff --git a/buildxen.sh b/buildxen.sh
index 180c1ff..b4b8101 100755
--- a/buildxen.sh
+++ b/buildxen.sh
@@ -8,7 +8,8 @@ CPPFLAGS+=-DMAXPHYS=32768
 PTHREAD_MAKELWP=pthread_makelwp_rumprunxen.c
 CPPFLAGS+=      -D_PTHREAD_GETTCB_EXT=_lwp_rumpxen_gettcb
 .endif  # LIB == pthread
-CFLAGS+=-fno-stack-protector"
+CFLAGS+=-fno-stack-protector -fno-builtin-sin -fno-builtin-cos
+CFLAGS+=-fno-builtin-sinf -fno-builtin-cosf"
 unset IFS
 
 export BUILDXENMETAL_MKCONF