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authorRodrigo Vivi <[email protected]>2018-07-23 09:13:12 -0700
committerRodrigo Vivi <[email protected]>2018-07-23 09:13:12 -0700
commitc74a7469f97c0f40b46e82ee979f9fb1bb6e847c (patch)
treef2690a1a916b73ef94657fbf0e0141ae57701825 /scripts/Kconfig.include
parent6f15a7de86c8cf2dc09fc9e6d07047efa40ef809 (diff)
parent500775074f88d9cf5416bed2ca19592812d62c41 (diff)
Merge drm/drm-next into drm-intel-next-queued
We need a backmerge to get DP_DPCD_REV_14 before we push other i915 changes to dinq that could break compilation. Signed-off-by: Rodrigo Vivi <[email protected]>
Diffstat (limited to 'scripts/Kconfig.include')
-rw-r--r--scripts/Kconfig.include30
1 files changed, 30 insertions, 0 deletions
diff --git a/scripts/Kconfig.include b/scripts/Kconfig.include
new file mode 100644
index 000000000000..dad5583451af
--- /dev/null
+++ b/scripts/Kconfig.include
@@ -0,0 +1,30 @@
+# Kconfig helper macros
+
+# Convenient variables
+comma := ,
+quote := "
+squote := '
+empty :=
+space := $(empty) $(empty)
+dollar := $
+right_paren := )
+left_paren := (
+
+# $(if-success,<command>,<then>,<else>)
+# Return <then> if <command> exits with 0, <else> otherwise.
+if-success = $(shell,{ $(1); } >/dev/null 2>&1 && echo "$(2)" || echo "$(3)")
+
+# $(success,<command>)
+# Return y if <command> exits with 0, n otherwise
+success = $(if-success,$(1),y,n)
+
+# $(cc-option,<flag>)
+# Return y if the compiler supports <flag>, n otherwise
+cc-option = $(success,$(CC) -Werror $(1) -E -x c /dev/null -o /dev/null)
+
+# $(ld-option,<flag>)
+# Return y if the linker supports <flag>, n otherwise
+ld-option = $(success,$(LD) -v $(1))
+
+# gcc version including patch level
+gcc-version := $(shell,$(srctree)/scripts/gcc-version.sh -p $(CC) | sed 's/^0*//')