libsigrokdecode: switch to Python 3.10. (#11707)

Fixes #11706.

sci-libs/libsigrokdecode/libsigrokdecode-0.5.3.recipe

@@ -10,7 +10,7 @@ The protocol decoders are written in Python (>= 3.0)."
 HOMEPAGE="https://sigrok.org/wiki/Libsigrokdecode"
 COPYRIGHT="2014-2020 sigrok contributors"
 LICENSE="GNU GPL v3"
-REVISION="4"
+REVISION="5"
 SOURCE_URI="http://sigrok.org/download/source/libsigrokdecode/libsigrokdecode-$portVersion.tar.gz"
 CHECKSUM_SHA256="c50814aa6743cd8c4e88c84a0cdd8889d883c3be122289be90c63d7d67883fc0"
 
@@ -20,6 +20,8 @@ SECONDARY_ARCHITECTURES="x86"
 libVersion="4.2.1"
 libVersionCompat="$libVersion compat >= ${libVersion%%.*}"
 
+pythonVersion=3.10
+
 PROVIDES="
 	libsigrokdecode$secondaryArchSuffix = $portVersion
 	lib:libsigrokdecode$secondaryArchSuffix = $libVersionCompat
@@ -27,7 +29,7 @@ PROVIDES="
 REQUIRES="
 	haiku$secondaryArchSuffix
 	lib:libglib_2.0$secondaryArchSuffix
-	lib:libpython3.9$secondaryArchSuffix
+	lib:libpython$pythonVersion$secondaryArchSuffix
 	lib:libintl$secondaryArchSuffix
 	"
 
@@ -41,8 +43,9 @@ REQUIRES_devel="
 
 BUILD_REQUIRES="
 	haiku${secondaryArchSuffix}_devel
+	devel:libcheck$secondaryArchSuffix	# for unit-tests to actually be built/run.
 	devel:libglib_2.0$secondaryArchSuffix
-	devel:libpython3.9$secondaryArchSuffix
+	devel:libpython$pythonVersion$secondaryArchSuffix
 	"
 BUILD_PREREQUIRES="
 	cmd:awk
@@ -53,6 +56,13 @@ BUILD_PREREQUIRES="
 
 BUILD()
 {
+	# Trying to use $LIBS makes the ./configure script to fail with:
+	# "configure: error: C compiler cannot create executables" (exit 77)
+#	export LIBS="python$pythonVersion"
+
+	# So let's try this instead:
+	export LDFLAGS="-lpython$pythonVersion"
+
 	runConfigure ./configure --disable-static
 	make $jobArgs
 }
@@ -70,6 +80,9 @@ INSTALL()
 	packageEntries devel $developDir
 }
 
+# Results for reference:
+# TOTAL:1
+# PASS:1
 TEST()
 {
 	make check