testing/libsigrokdecode: rebuild against python 3.8

and fix the .pc version

testing/libsigrokdecode/APKBUILD

@@ -2,32 +2,39 @@
 
 pkgname="libsigrokdecode"
 pkgver=0.5.2
-pkgrel=0
+pkgrel=1
 pkgdesc="A C library to decode protocol data captured by logic analyzers"
 url="https://sigrok.org/wiki/Libsigrokdecode"
 makedepends="glib-dev libserialport-dev libzip-dev libusb-dev libftdi1-dev
-             glibmm-dev libsigrok-dev python3-dev check-dev"
+             glibmm-dev libsigrok-dev python3-dev check-dev
+	     autoconf automake libtool"
 depends=""
 arch="all"
 license="GPL-3.0-only"
-source="http://sigrok.org/download/source/$pkgname/$pkgname-$pkgver.tar.gz"
+source="http://sigrok.org/download/source/$pkgname/$pkgname-$pkgver.tar.gz
+	version.patch
+	python3-embed.patch"
 subpackages="$pkgname-dev"
 builddir="$srcdir/$pkgname-$pkgver"
 
+prepare() {
+	default_prepare
+	autoreconf -vif
+}
+
 build() {
-	cd "${builddir}"
 	./configure --prefix=/usr/
 	make
 }
 
 check() {
-	cd "${builddir}"
 	make check
 }
 
 package() {
-	cd "${builddir}"
 	make DESTDIR="$pkgdir" install
 }
 
-sha512sums="49d0cba3a5fe17593165c3669dc8530e4e68497369b461f39b63c903f41a3060766c23d44c4112c9b9a5e740ae1e2c03a735494ac798dc631f3913079be04e22  libsigrokdecode-0.5.2.tar.gz"
+sha512sums="49d0cba3a5fe17593165c3669dc8530e4e68497369b461f39b63c903f41a3060766c23d44c4112c9b9a5e740ae1e2c03a735494ac798dc631f3913079be04e22  libsigrokdecode-0.5.2.tar.gz
+6d8fa69a891b4333fe77213cf75df218090e58b51d6c92197351d95a977634f2228a63c9c0c75fcb1d816c59ee9eaf410d5e79827ac7c79b0784262ea0f9c3fd  version.patch
+ab98ed3df3ad78fc19336a809c10ce00140ad4a389f31a6d05fe2122ee0698889a91c0711d57dc8d99ba888202f6dc9a10d485e473342298d94d3bccf52dbc99  python3-embed.patch"

testing/libsigrokdecode/python3-embed.patch

@@ -0,0 +1,13 @@
+diff --git a/configure.ac b/configure.ac
+index 56f01a2..c661c63 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -90,7 +90,7 @@ SR_PKG_CHECK_SUMMARY([srd_pkglibs_summary])
+ 
+ # Python 3 is always needed.
+ SR_PKG_CHECK([python3], [SRD_PKGLIBS],
+-	[python3 >= 3.2], [python-3.7 >= 3.7], [python-3.6 >= 3.6], [python-3.5 >= 3.5], [python-3.4 >= 3.4], [python-3.3 >= 3.3], [python-3.2 >= 3.2])
++	[python3-embed], [python3 >= 3.2], [python-3.7 >= 3.7], [python-3.6 >= 3.6], [python-3.5 >= 3.5], [python-3.4 >= 3.4], [python-3.3 >= 3.3], [python-3.2 >= 3.2])
+ AS_IF([test "x$sr_have_python3" = xno],
+ 	[AC_MSG_ERROR([Cannot find Python 3 development headers.])])
+ 

testing/libsigrokdecode/version.patch

@@ -0,0 +1,13 @@
+diff --git a/m4/sigrok.m4 b/m4/sigrok.m4
+index 2ca2444..924b9df 100644
+--- a/m4/sigrok.m4
++++ b/m4/sigrok.m4
+@@ -54,7 +54,7 @@ m4_assert([$# >= 6])[]dnl
+ $1=$4
+ sr_git_deps=
+ # Check if we can get revision information from git.
+-sr_head=`git -C "$srcdir" rev-parse --verify --short HEAD 2>&AS_MESSAGE_LOG_FD`
++sr_head=`test -d "$srcdir"/.git && git -C "$srcdir" rev-parse --verify --short HEAD 2>&AS_MESSAGE_LOG_FD`
+ 
+ AS_IF([test "$?" = 0 && test "x$sr_head" != x], [dnl
+ 	test ! -f "$srcdir/.git/HEAD" \