Initial import of NFC GNSS SDK project

2026-09-15 16:10:12 +08:00
commit 2746cc3d4e
3070 changed files with 892062 additions and 0 deletions
@@ -0,0 +1,33 @@
+ifneq (, $(filter buildtest info-concurrency, $(MAKECMDGOALS)))
+  ifeq (, $(strip $(NPROC)))
+    # Linux (utility program)
+    NPROC := $(shell nproc 2>/dev/null)
+
+    ifeq (, $(strip $(NPROC)))
+      # Linux (generic)
+      NPROC := $(shell grep -c ^processor /proc/cpuinfo 2>/dev/null)
+    endif
+    ifeq (, $(strip $(NPROC)))
+      # BSD (at least FreeBSD and Mac OSX)
+      NPROC := $(shell sysctl -n hw.ncpu 2>/dev/null)
+    endif
+    ifeq (, $(strip $(NPROC)))
+      # Fallback
+      NPROC := 1
+    endif
+
+    NPROC := $(shell echo $$(($(NPROC) + 1)))
+
+    ifneq (, $(NPROC_MAX))
+      NPROC := $(shell if [ ${NPROC} -gt $(NPROC_MAX) ]; then echo $(NPROC_MAX); else echo ${NPROC}; fi)
+    endif
+    ifneq (, $(NPROC_MIN))
+      NPROC := $(shell if [ ${NPROC} -lt $(NPROC_MIN) ]; then echo $(NPROC_MIN); else echo ${NPROC}; fi)
+    endif
+  endif
+endif
+
+.PHONY: info-concurrency
+
+info-concurrency:
+	@echo "$(NPROC)"