gentoo-overlay/sci-physics/pythia/files/pythia-8.2.26-run-tests.patch

--- examples/Makefile.orig	2017-07-25 11:56:03.545393093 +0200
+++ examples/Makefile	2017-07-25 11:56:37.468572887 +0200
@@ -158,6 +158,7 @@
 	rm -f $(LOCAL_EXAMPLE)/weakbosons.lhe
 	rm -f $(LOCAL_EXAMPLE)/Pythia8.promc
 	rm -f $(LOCAL_EXAMPLE)/hist.root
+	rm main*out *.dat
 
 # Clean all temporary and generated files.
 distclean: clean
@@ -168,3 +169,16 @@
 	rm -f $(LOCAL_SHARE)/COPYING
 	rm -f $(LOCAL_SHARE)/GUIDELINES
 	rm -f $(LOCAL_SHARE)/README
+
+# Run tests, inject test-specific arguments when needed
+main%.out: main%
+	./$< \
+		$(if $(findstring $*,16 42 43 $(shell seq 81 89)), main$*.cmnd) \
+		$(if $(findstring $*,         $(shell seq 81 83)), w+_production_lhc_0.lhe) \
+		$(if $(findstring $*,                         84), hepmcout84.dat 2 w+_production_lhc) \
+		$(if $(findstring $*,         $(shell seq 85 88)), w_production) \
+		$(if $(findstring $*,   42 43 $(shell seq 81 89)), histout$*.dat) \
+		> $@
+
+main89.out: main89
+	$(foreach cmd, $(wildcard main89*.cmnd), ./$< $(cmd) histout-$(cmd).dat >> $@ || exit;)