Package: tk8.4
Version: 8.4.19-5
Severity: normal
Tags: patch
User: [email protected]
Usertags: origin-ubuntu raring ubuntu-patch cross

In Ubuntu, the attached patch was applied to achieve the following:

  * Respect DEB_HOST_GNU_TYPE when selecting CC for cross-compiling.
  * Preseed undetectable strtod values to autoconf for cross-builds.

This preseeds some values that autoconf can't sort out on its own
when cross-compiling, thus fixing cross builds.  Additionally,
unlike tk8.5, tk8.4 has a broken configure script that doesn't
respect --host and --build, so this also forces CC on cross-builds.

... Adam

-- System Information:
Debian Release: wheezy/sid
  APT prefers raring-updates
  APT policy: (500, 'raring-updates'), (500, 'raring-security'), (500, 'raring')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 3.7.0-4-generic (SMP w/4 CPU cores)
Locale: LANG=en_CA.UTF-8, LC_CTYPE=en_CA.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
diff -Nru tk8.4-8.4.19/debian/changelog tk8.4-8.4.19/debian/changelog
diff -Nru tk8.4-8.4.19/debian/rules tk8.4-8.4.19/debian/rules
--- tk8.4-8.4.19/debian/rules	2012-05-29 09:38:09.000000000 -0600
+++ tk8.4-8.4.19/debian/rules	2012-12-08 00:55:26.000000000 -0700
@@ -3,6 +3,14 @@
 v = 8.4
 DIR = $(shell pwd)/debian/tmp
 
+DEB_BUILD_GNU_TYPE := $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)
+DEB_HOST_GNU_TYPE  := $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
+
+ifneq ($(DEB_HOST_GNU_TYPE),$(DEB_BUILD_GNU_TYPE))
+  export CC = $(DEB_HOST_GNU_TYPE)-gcc  
+  CROSSCONF = ac_cv_func_strtod=yes tcl_cv_strtod_buggy=1
+endif
+
 DPKG_EXPORT_BUILDFLAGS = 1
 include /usr/share/dpkg/buildflags.mk
 
@@ -15,7 +23,7 @@
 	dh $@
 
 override_dh_auto_configure:
-	TK_LIBRARY="/usr/share/tcltk/tk$(v)" \
+	TK_LIBRARY="/usr/share/tcltk/tk$(v)" $(CROSSCONF) \
 	CFLAGS="$(CFLAGS)" CPPFLAGS="$(CPPFLAGS)" \
 	dh_auto_configure -Dunix -- \
 		      --includedir=/usr/include/tcl$(v) \

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