Package: libv8-3.14
Severity: wishlist
Version: 3.14.5.8-8
Tags: patch
Attatched is a debdiff to make libv8-3.14 build correctly on raspbian
(and hence run on armv6 systems running raspbian). There are two parts
to the patch.
1: Changes to debian/rules to supply appropriate configuration options
2: A small change to the upstream build process to not assume hardfloat
implies vfpv3. I don't think this should have any impact on debian armhf
as you set things explicitly but if you are concerned you might want to
talk to upstream (and you might want to talk to them anyway to push this
upstream).
It would be good if you could apply this since carrying patches like
this locally is a pain (especially for a package that seems like it will
be changing source package names from time to time therefore subverting
our tracking)
No intent to NMU
diff -Nru libv8-3.14-3.14.5.8/debian/changelog
libv8-3.14-3.14.5.8/debian/changelog
--- libv8-3.14-3.14.5.8/debian/changelog 2014-05-06 19:35:22.000000000
+0000
+++ libv8-3.14-3.14.5.8/debian/changelog 2014-05-24 03:12:01.000000000
+0000
@@ -1,3 +1,9 @@
+libv8-3.14 (3.14.5.8-8+rpi1) jessie-staging; urgency=medium
+
+ * Add Raspbian support to configuration logic.
+
+ -- Peter Michael Green <[email protected]> Sat, 24 May 2014 03:08:09
+0000
+
libv8-3.14 (3.14.5.8-8) unstable; urgency=medium
* Add 0004_hurd.patch, add Architecture: hurd-i386.
diff -Nru
libv8-3.14-3.14.5.8/debian/patches/dont-assume-hardfloat-means-vfpv3.diff
libv8-3.14-3.14.5.8/debian/patches/dont-assume-hardfloat-means-vfpv3.diff
--- libv8-3.14-3.14.5.8/debian/patches/dont-assume-hardfloat-means-vfpv3.diff
1970-01-01 00:00:00.000000000 +0000
+++ libv8-3.14-3.14.5.8/debian/patches/dont-assume-hardfloat-means-vfpv3.diff
2014-05-25 02:53:57.000000000 +0000
@@ -0,0 +1,13 @@
+Description: don't assume hardfloat means vfpv3
+Author: Peter Michael Green <[email protected]>
+
+--- libv8-3.14-3.14.5.8.orig/build/common.gypi
++++ libv8-3.14-3.14.5.8/build/common.gypi
+@@ -157,7 +157,6 @@
+ [ 'v8_use_arm_eabi_hardfloat=="true"', {
+ 'defines': [
+ 'USE_EABI_HARDFLOAT=1',
+- 'CAN_USE_VFP3_INSTRUCTIONS',
+ ],
+ 'target_conditions': [
+ ['_toolset=="target"', {
diff -Nru libv8-3.14-3.14.5.8/debian/patches/series
libv8-3.14-3.14.5.8/debian/patches/series
--- libv8-3.14-3.14.5.8/debian/patches/series 2014-05-06 19:25:10.000000000
+0000
+++ libv8-3.14-3.14.5.8/debian/patches/series 2014-05-25 02:53:22.000000000
+0000
@@ -9,3 +9,4 @@
0012_loongson_force_cache_flush.patch
0013_gcc_48_compat.patch
0014_cve_2013_6639_6640.patch
+dont-assume-hardfloat-means-vfpv3.diff
diff -Nru libv8-3.14-3.14.5.8/debian/rules libv8-3.14-3.14.5.8/debian/rules
--- libv8-3.14-3.14.5.8/debian/rules 2014-05-06 18:21:42.000000000 +0000
+++ libv8-3.14-3.14.5.8/debian/rules 2014-05-25 03:06:45.000000000 +0000
@@ -80,9 +80,15 @@
ifeq (armhf, $(DEB_HOST_ARCH))
CXXFLAGS += -fno-tree-sink
CXXFLAGS += -Wno-psabi
+ifeq ($(shell dpkg-vendor --derives-from raspbian && echo true),true)
+# enable vfpv2, disable armv7
+GYPFLAGS += -Darmv7=0 -Darm_fpu=vfpv2 -Darm_neon=0
-Dv8_use_arm_eabi_hardfloat=true
+DEB_MAKE_EXTRA_ARGS += vfp3=off
+else
# enable armv7 vfpv3
GYPFLAGS += -Darmv7=1 -Darm_fpu=vfpv3 -Darm_neon=0
-Dv8_use_arm_eabi_hardfloat=true
endif
+endif
ifeq (armel, $(DEB_HOST_ARCH))
# hints can be found there:
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