Ulrich Mohr <u.m...@semex-engcon.com> writes: > Hey, > > We at Semex-Engcon use ModemManager in our vibration monitoring > solution: https://www.semex-engcon.com/en/products/menhir. > > The device is used to monitor vibrations for civil engineering > (e.g. construction sites) or seismic applications. > > The device runs a Debian based linux distribution on a custom built > processing board with a SAMA5D36 processor. The device uses a u-blox > TOBY-L210 or SARA-U270, which we control using ModemManager.
Cool! > Since we are a small company, ModemManager really helps us to get the > modems running. The experience using ModemManager is quite good, but > it seems to me that not many use ModemManager with u-blox-Modems -- so > we are facing smaller issues (e.g. with different m2m SIM cards). > > There is one thing that is quite uncomfortable for me: Compiling for > the ARM platform, since I never made cross compiling work (use qemu, > which is really slow). But this might be more an inadequacy of the > developer (=me), than it is an issue of ModemManager This should be pretty straight forward when you are using Debian, assuming that you build a ModemManager Debian package: https://wiki.debian.org/CrossCompiling#Building_with_dpkg-buildpackage You may have to disable some unnecessary features and/or build some of the dependencies yourself, but this should still be much easier than building it all in qemu. I just tried to build an armhf modemmanager on x86_64 myself, using that recipe with the default modemmanager package source from sid. It built just fine after disabling introspection in debian/rules and removing those build deps and the introspection package from debian/control. My diff: diff -ur modemmanager-1.10.0/debian/control modemmanager-1.10.0.modified/debian/control --- modemmanager-1.10.0/debian/control 2019-02-07 13:31:23.000000000 +0100 +++ modemmanager-1.10.0.modified/debian/control 2019-03-29 13:16:47.104197507 +0100 @@ -8,8 +8,6 @@ intltool, gtk-doc-tools, gnome-common, - gobject-introspection, - libgirepository1.0-dev, libglib2.0-dev (>= 2.36.0), libgudev-1.0-dev (>= 147), libsystemd-dev (>= 209), @@ -17,7 +15,6 @@ libqmi-glib-dev (>= 1.22.0), libmbim-glib-dev (>= 1.18.0), libglib2.0-doc, - valac (>= 0.22), dbus Standards-Version: 4.2.1 Vcs-Git: https://salsa.debian.org/cyphermox-guest/modemmanager.git @@ -121,18 +118,3 @@ This package contains documentation of libmm-glib to use when writing applications that interface with ModemManager. -Package: gir1.2-modemmanager-1.0 -Section: introspection -Architecture: linux-any -Multi-Arch: same -Depends: ${gir:Depends}, - ${shlibs:Depends}, - ${misc:Depends} -Description: GObject introspection data for modemmanager - ModemManager is a DBus-activated daemon which controls mobile broadband - (2G/3G/4G) devices and connections. Whether built-in devices, USB dongles, - Bluetooth-paired telephones or professional RS232/USB devices with external - power supplies, ModemManager is able to prepare and configure the modems and - setup connections with them. - . - This package contains introspection data for the libmm-glib library. diff -ur modemmanager-1.10.0/debian/libmm-glib-dev.install modemmanager-1.10.0.modified/debian/libmm-glib-dev.install --- modemmanager-1.10.0/debian/libmm-glib-dev.install 2018-04-24 23:54:35.000000000 +0200 +++ modemmanager-1.10.0.modified/debian/libmm-glib-dev.install 2019-03-29 13:17:15.368422339 +0100 @@ -1,5 +1,3 @@ usr/lib/*/libmm-glib.so usr/lib/*/pkgconfig/mm-glib.pc usr/include/libmm-glib/ -usr/share/gir-1.0/ -usr/share/vala/vapi/ diff -ur modemmanager-1.10.0/debian/rules modemmanager-1.10.0.modified/debian/rules --- modemmanager-1.10.0/debian/rules 2018-10-04 16:01:18.000000000 +0200 +++ modemmanager-1.10.0.modified/debian/rules 2019-03-29 13:02:35.585594586 +0100 @@ -22,6 +22,7 @@ override_dh_auto_configure: dh_auto_configure -- \ + --enable-introspection=no \ --enable-gtk-doc \ --with-polkit=strict \ --enable-more-warnings \ Exact commands I used (without ever having build any armhf package on this PC before): dpkg --add-architecture armhf apt-get update apt-get install build-essential crossbuild-essential-armhf cd /my/src apt-get source modemmanager CONFIG_SITE=/etc/dpkg-cross/cross-config.armhf DEB_BUILD_OPTIONS=nocheck dpkg-buildpackage -aarmhf -b -us -uc (first attempt failing due to missing depencies - fix by installing deps and removing unwanted features) apt-get install libsystemd-dev:armhf libpolkit-gobject-1-dev:armhf libqmi-glib-dev:armhf libmbim-glib-dev:armhf vi debian/rules vi debian/control CONFIG_SITE=/etc/dpkg-cross/cross-config.armhf DEB_BUILD_OPTIONS=nocheck dpkg-buildpackage -aarmhf -b -us -uc (second attempt failed too, because of remaing gir references in libmm-glib-dev) vi debian/libmm-glib-dev.install CONFIG_SITE=/etc/dpkg-cross/cross-config.armhf DEB_BUILD_OPTIONS=nocheck dpkg-buildpackage -aarmhf -b -us -uc ... dpkg-gencontrol: warning: Depends field of package libmm-glib-dev: unknown substitution variable ${shlibs:Depends} dh_md5sums dh_builddeb dpkg-deb: building package 'modemmanager' in '../modemmanager_1.10.0-1_armhf.deb'. dpkg-deb: building package 'modemmanager-dev' in '../modemmanager-dev_1.10.0-1_armhf.deb'. dpkg-deb: building package 'libmm-glib0' in '../libmm-glib0_1.10.0-1_armhf.deb'. dpkg-deb: building package 'libmm-glib-dev' in '../libmm-glib-dev_1.10.0-1_armhf.deb'. dpkg-deb: building package 'modemmanager-doc' in '../modemmanager-doc_1.10.0-1_all.deb'. dpkg-deb: building package 'libmm-glib-doc' in '../libmm-glib-doc_1.10.0-1_all.deb'. dpkg-deb: building package 'libmm-glib0-dbgsym' in '../libmm-glib0-dbgsym_1.10.0-1_armhf.deb'. dpkg-deb: building package 'modemmanager-dbgsym' in '../modemmanager-dbgsym_1.10.0-1_armhf.deb'. dpkg-genbuildinfo --build=binary dpkg-genchanges --build=binary >../modemmanager_1.10.0-1_armhf.changes dpkg-genchanges: info: binary-only upload (no source code included) dpkg-source --after-build modemmanager-1.10.0 dpkg-buildpackage: info: binary-only upload (no source included) Success! Bjørn _______________________________________________ ModemManager-devel mailing list ModemManager-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/modemmanager-devel
