Bug#876131: qtbase-opensource-src FTCBFS: uses the build architecture toolchain
Source: qtbase-opensource-src
Version: 5.9.1+dfsg-9
Severity: wishlist
User: helmutg@debian.org
Usertags: rebootstrap
qtbase-opensource-src fails to cross build from source, because it uses
the build architecture compiler and stuff.
I looked a bit and it seems one should pass something else for -platform
for cross compilation. It seems to search directories below mkspecs/ and
for arm64 and armel there are particular directories available. We only
need to come up with the right platform_arg (see patch attached).
After doing so, the build fails to run its own qmake. That's kinda
expected. It seems that the remedy is passing -external-hostbindir and
it expects to find a qmake binary in that directory. With a
self-dependency, we can use the build architecture qmake and the build
goes a lot further until it bumps into #794103:
> make[2]: Entering directory '/<<BUILDDIR>>/qtbase-opensource-src-5.9.1+dfsg/config.tests/unix/psql'
> aarch64-linux-gnu-g++ -c -g -O2 -fdebug-prefix-map=/<<BUILDDIR>>/qtbase-opensource-src-5.9.1+dfsg=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -O2 -Wall -W -fPIC -I. -I/<<BUILDDIR>>/qtbase-opensource-src-5.9.1+dfsg/mkspecs/linux-aarch64-gnu-g++ -o psql.o psql.cpp
> psql.cpp:40:10: fatal error: libpq-fe.h: No such file or directory
> #include "libpq-fe.h"
> ^~~~~~~~~~~~
> compilation terminated.
> Makefile:171: recipe for target 'psql.o' failed
> make[2]: *** [psql.o] Error 1
> make[2]: Leaving directory '/<<BUILDDIR>>/qtbase-opensource-src-5.9.1+dfsg/config.tests/unix/psql'
Still, that's a lot more than the initial attempt. Please have a look at
the patch and use the bits that look reasonable. Improve the others. ;)
Helmut
diff --minimal -Nru qtbase-opensource-src-5.9.1+dfsg/debian/changelog qtbase-opensource-src-5.9.1+dfsg/debian/changelog
--- qtbase-opensource-src-5.9.1+dfsg/debian/changelog 2017-08-20 18:13:27.000000000 +0200
+++ qtbase-opensource-src-5.9.1+dfsg/debian/changelog 2017-09-18 21:16:40.000000000 +0200
@@ -1,3 +1,10 @@
+qtbase-opensource-src (5.9.1+dfsg-9.1) UNRELEASED; urgency=medium
+
+ * Non-maintainer upload.
+ * Partially fix FTCBFS.
+
+ -- Helmut Grohne <helmut@subdivi.de> Mon, 18 Sep 2017 21:16:40 +0200
+
qtbase-opensource-src (5.9.1+dfsg-9) unstable; urgency=medium
[ Lisandro Damián Nicanor Pérez Meyer ]
diff --minimal -Nru qtbase-opensource-src-5.9.1+dfsg/debian/control qtbase-opensource-src-5.9.1+dfsg/debian/control
--- qtbase-opensource-src-5.9.1+dfsg/debian/control 2017-08-20 18:13:27.000000000 +0200
+++ qtbase-opensource-src-5.9.1+dfsg/debian/control 2017-09-18 21:16:40.000000000 +0200
@@ -62,6 +62,7 @@
libxrender-dev,
pkg-kde-tools (>= 0.15.17~),
publicsuffix,
+ qt5-qmake:native <cross>,
unixodbc-dev,
zlib1g-dev
Build-Depends-Indep: libqt5sql5-sqlite (>= 5.8.0+dfsg~) <!nodoc>,
diff --minimal -Nru qtbase-opensource-src-5.9.1+dfsg/debian/rules qtbase-opensource-src-5.9.1+dfsg/debian/rules
--- qtbase-opensource-src-5.9.1+dfsg/debian/rules 2017-08-20 18:13:27.000000000 +0200
+++ qtbase-opensource-src-5.9.1+dfsg/debian/rules 2017-09-18 21:16:40.000000000 +0200
@@ -3,11 +3,7 @@
# Uncomment this to turn on verbose mode.
#export DH_VERBOSE=1
-DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)
-DEB_HOST_ARCH ?= $(shell dpkg-architecture -qDEB_HOST_ARCH)
-DEB_HOST_ARCH_OS ?= $(shell dpkg-architecture -qDEB_HOST_ARCH_OS)
-DEB_HOST_ARCH_BITS ?= $(shell dpkg-architecture -qDEB_HOST_ARCH_BITS)
-DEB_HOST_ARCH_CPU ?= $(shell dpkg-architecture -qDEB_HOST_ARCH_CPU)
+include /usr/share/dpkg/architecture.mk
export PATH := $(PATH):$(shell pwd)/bin
export CFLAGS := $(shell dpkg-buildflags --get CFLAGS) $(shell dpkg-buildflags --get CPPFLAGS) $(shell getconf LFS_CFLAGS)
@@ -61,6 +57,12 @@
else
$(error Unknown qmake mkspec for $(DEB_HOST_ARCH_OS))
endif
+ifneq ($(DEB_BUILD_ARCH),$(DEB_HOST_ARCH))
+mkspec_osmap_kfreebsd = gnukfreebsd
+platform_arg = $(or $(mkspec_osmap_$(DEB_HOST_ARCH_OS)),$(DEB_HOST_ARCH_OS))-$(DEB_HOST_GNU_CPU)-$(DEB_HOST_ARCH_LIBC)$(filter-out base,$(DEB_HOST_ARCH_ABI))-g++
+extra_configure_opts += -external-hostbindir /usr/lib/$(DEB_BUILD_MULTIARCH)/qt5/bin
+endif
+
ifneq (,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
NUMJOBS = $(patsubst parallel=%,%,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
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