On 31/07/2019 06:47, Mike Looijmans wrote:
I'm trying to get the SDK to work, but no success because the SDK apparently
does not install any pkg-config file, resulting in autotools and cmake not
being able to find any library.
Built the SDK using "bitbake -c populate_sdk image"
Install the resulting SDK, and source the shell script.
Building "helloworld" works. Building something slightly more advanced fails,
because pkg-config isn't working: "pkg-config --list-all" is empty.
The cause is that the pkgconfig files simply aren't in the sysroot:
$ echo $PKG_CONFIG_PATH
/home/mike/p/sysroots/cortexa9t2hf-neon-oe-linux-gnueabi/usr/lib/pkgconfig:/home/mike/p/sysroots/cortexa9t2hf-neon-oe-linux-gnueabi/usr/share/pkgconfig
$ ls /home/mike/p/sysroots/cortexa9t2hf-neon-oe-linux-gnueabi/usr/lib/pkgconfig
ls: cannot access
'/home/mike/p/sysroots/cortexa9t2hf-neon-oe-linux-gnueabi/usr/lib/pkgconfig':
No such file or directory
$ ls
/home/mike/p/sysroots/cortexa9t2hf-neon-oe-linux-gnueabi/usr/share/pkgconfig
ls: cannot access
'/home/mike/p/sysroots/cortexa9t2hf-neon-oe-linux-gnueabi/usr/share/pkgconfig':
No such file or directory
Looks like something went wrong.
My host has minimal -dev packages installed:
$ dpkg -l \*-dev|grep ii
ii dpkg-dev 1.19.7 all Debian
package development tools
ii libc6-dev:amd64 2.28-10 amd64 GNU C
Library: Development Libraries and Header Files
ii libgcc-8-dev:amd64 8.3.0-6 amd64 GCC support
library (development files)
ii libstdc++-8-dev:amd64 8.3.0-6 amd64 GNU
Standard C++ Library v3 (development files)
ii linux-libc-dev:amd64 4.19.37-5+deb10u1 amd64 Linux
support headers for userspace development
ii manpages-dev 4.16-2 all Manual
pages about using GNU/Linux for development
But inside a core-image-minimal SDK:
$ ls sysroots/corei7-64-poky-linux/usr/lib/pkgconfig/ | head
blkid.pc
check.pc
com_err.pc
dbus-1.pc
dbus-glib-1.pc
e2p.pc
expat.pc
ext2fs.pc
fdisk.pc
form.pc
$ pkg-config --list-all | head
zlib zlib - zlib compression library
gio-unix-2.0 GIO unix specific APIs - unix specific headers for
glib I/O library
libdw libdw - elfutils library for DWARF data and ELF
file or process inspection
libkmod libkmod - Library to deal with kernel modules
applewmproto AppleWMProto - AppleWM extension headers
gio-2.0 GIO - glib I/O library
dbus-glib-1 dbus-glib - GLib integration for the free desktop
message bus
xf86dgaproto XF86DGAProto - XF86DGA extension headers
rpm RPM - RPM Package Manager
xcb-composite XCB Composite - XCB Composite Extension
So, works for me?
Ross
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