pcr: Add prelimirary userspace support for the xtrx SDR

Caveats:
- There is no package for xtrx-linux-pcie-drv yet
- The liblms7002m, libxtrx and libxtrxdsp are installed in
  /usr/local/
- While gqrx can be launched, I didn't manage to receive
  commercial FM stations with it yet. That may be due to:
  - my hardware setup (antennas, etc) which is far from
    being obtimal
  - my software setup (i686 hasn't been reported to work
    yet)
  - Wrong parameters in gqrx: the device seem to be other
    and the device string seem to be "xtrx", but other than
    that I didn't have a good enough waterfall to verify
    that it is receiving something.

Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>

1 files changed, 48 insertions, 0 deletions

diff --git a/pcr/libxtrx/PKGBUILD b/pcr/libxtrx/PKGBUILD
new file mode 100644
index 000000000..070d32b2d
--- /dev/null
+++ b/pcr/libxtrx/PKGBUILD
@@ -0,0 +1,48 @@
+# $id$
+# Contributor: Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>
+pkgname=libxtrx
+pkgver=r32.ge65719b
+pkgrel=1
+pkgdesc="High level XTRX API"
+url="https://github.com/xtrx-sdr/libxtrx"
+arch=(armv7h i686 x86_64)
+license=('LGPL')
+makedepends=('git' 'cmake' 'liblms7002m' 'libxtrxdsp')
+commit=e65719b3e1158c0cdc0fbc747c8937298f9aa758
+source=("git://github.com/xtrx-sdr/libxtrx#commit=$commit")
+sha512sums=('SKIP')
+
+pkgver() {
+    cd $pkgname
+    echo r$(git rev-list --count HEAD).g$(git rev-parse --short HEAD)
+}
+
+prepare() {
+    cd $pkgname
+    sed 's/^#include "..\/liblms7002m\/liblms7002m.h"/#include <liblms7002m.h>/' \
+        -i xtrx_fe_nlms7.c
+}
+
+build() {
+    case "$CARCH" in
+	i686) ARCH=i386;;
+	x86_64) ARCH=x86_64;;
+	arhmv7h) ARCH=armhf;;
+    esac
+
+    cd "$srcdir/$pkgname"
+    mkdir -p build
+    cd build
+
+    cmake \
+	-DENABLE_SOAPY=NO \
+	-DPYTHON_EXECUTABLE=/usr/bin/python2 \
+	-DFORCE_ARCH=x86 \
+	../
+    make
+}
+
+package() {
+    cd "$srcdir/$pkgname/build/"
+    make DESTDIR="${pkgdir}" install
+}