Source: alsa-scarlett-gui
Version: 0.5.1-1
Tags: patch upstream
User: debian-cross@lists.debian.org
Usertags:ftcbfs

alsa-scarlett-gui fails to cross build from source. The build actually progresses fine through make install, but then when dh_auto_install
invokes make install without passing cross toolchains it ends up failing
as it reperforms some of the earlier steps without using the appropriate
tools.

Arguably, make install should not have to reperform build steps. You can actually observe that rebuilding in a native build. The reason is that
in chains of implicit rules, GNU make treats the files never mentioned
in the Makefile as intermediate and ends up deleting them at the end of
the build. This happens to alsa-scarlett-gui-resources.c. By marking it
as .NOTINTERMEDIATE, the rebuild can be skipped and the cross build
succeeds as a consequence. I'm attaching a patch for your convenience.
It happens to slightly reduce native package build time.

Helmut

--- alsa-scarlett-gui-0.5.1.orig/src/Makefile
+++ alsa-scarlett-gui-0.5.1/src/Makefile
@@ -37,6 +37,7 @@

XML_SRC := $(wildcard *.xml)
XML_OBJ := $(patsubst %.xml,%.c,$(XML_SRC))
+.NOTINTERMEDIATE: $(XML_OBJ)

%.o: %.c
%.o: %.c Makefile $(DEPDIR)/%.d | $(DEPDIR)

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