From bc06866b209293e7bdf5d89a588cb70a22b29b49 Mon Sep 17 00:00:00 2001
From: Haren S <12570877+harens@users.noreply.github.com>
Date: Wed, 31 Aug 2022 08:03:25 +0000
Subject: [PATCH] make: add clock_gettime on macOS < 10.12 (fix #6605) (#15611)

---
 GNUmakefile            | 38 ++++++++++++++++++++++++++++++++++++--
 vlib/time/time_nix.c.v |  1 +
 2 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/GNUmakefile b/GNUmakefile
index b407c1feb..6254364e3 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -7,9 +7,12 @@ VC     ?= ./vc
 VEXE   ?= ./v
 VCREPO ?= https://github.com/vlang/vc
 TCCREPO ?= https://github.com/vlang/tccbin
+LEGACYREPO ?= https://github.com/macports/macports-legacy-support
 
 VCFILE := v.c
 TMPTCC := $(VROOT)/thirdparty/tcc
+LEGACYLIBS := $(VROOT)/thirdparty/legacy
+TMPLEGACY := $(LEGACYLIBS)/source
 TCCOS := unknown
 TCCARCH := unknown
 GITCLEANPULL := git clean -xf && git pull --quiet
@@ -36,6 +39,9 @@ endif
 ifeq ($(_SYS),Darwin)
 MAC := 1
 TCCOS := macos
+ifeq ($(shell expr $(shell uname -r | cut -d. -f1) \<= 15), 1)
+LEGACY := 1
+endif
 endif
 
 ifeq ($(_SYS),FreeBSD)
@@ -79,13 +85,13 @@ endif
 endif
 endif
 
-.PHONY: all clean check fresh_vc fresh_tcc check_for_working_tcc
+.PHONY: all clean check fresh_vc fresh_tcc fresh_legacy check_for_working_tcc
 
 ifdef prod
 VFLAGS+=-prod
 endif
 
-all: latest_vc latest_tcc
+all: latest_vc latest_tcc latest_legacy
 ifdef WIN32
 	$(CC) $(CFLAGS) -std=c99 -municode -w -o v1.exe $(VC)/$(VCFILE) $(LDFLAGS)
 	v1.exe -no-parallel -o v2.exe $(VFLAGS) cmd/v
@@ -93,6 +99,12 @@ ifdef WIN32
 	del v1.exe
 	del v2.exe
 else
+ifdef LEGACY
+	$(MAKE) -C $(TMPLEGACY)
+	$(MAKE) -C $(TMPLEGACY) PREFIX=$(realpath $(LEGACYLIBS)) CFLAGS=$(CFLAGS) LDFLAGS=$(LDFLAGS) install
+	rm -rf $(TMPLEGACY)
+	$(eval override LDFLAGS+=-L$(realpath $(LEGACYLIBS))/lib -lMacportsLegacySupport)
+endif
 	$(CC) $(CFLAGS) -std=gnu99 -w -o v1.exe $(VC)/$(VCFILE) -lm -lpthread $(LDFLAGS)
 	./v1.exe -no-parallel -o v2.exe $(VFLAGS) cmd/v
 	./v2.exe -o $(VEXE) $(VFLAGS) cmd/v
@@ -104,6 +116,7 @@ endif
 
 clean:
 	rm -rf $(TMPTCC)
+	rm -rf $(LEGACYLIBS)
 	rm -rf $(VC)
 
 ifndef local
@@ -148,12 +161,33 @@ else
 	@$(MAKE) --quiet check_for_working_tcc 2> /dev/null
 endif
 
+ifndef local
+latest_legacy: $(TMPLEGACY)/.git/config
+ifdef LEGACY
+	cd $(TMPLEGACY) && $(GITCLEANPULL)
+endif
+else
+latest_legacy:
+ifdef LEGACY
+	@echo "Using local legacysupport"
+endif
+endif
+
+fresh_legacy:
+	rm -rf $(LEGACYLIBS)
+	$(GITFASTCLONE) $(LEGACYREPO) $(TMPLEGACY)
+
 $(TMPTCC)/.git/config:
 	$(MAKE) fresh_tcc
 
 $(VC)/.git/config:
 	$(MAKE) fresh_vc
 
+$(TMPLEGACY)/.git/config:
+ifdef LEGACY
+	$(MAKE) fresh_legacy
+endif
+
 asan:
 	$(MAKE) all CFLAGS='-fsanitize=address,undefined'
 
diff --git a/vlib/time/time_nix.c.v b/vlib/time/time_nix.c.v
index 7bf12f322..8909bb5cb 100644
--- a/vlib/time/time_nix.c.v
+++ b/vlib/time/time_nix.c.v
@@ -3,6 +3,7 @@
 // that can be found in the LICENSE file.
 module time
 
+#flag darwin -I@VEXEROOT/thirdparty/legacy/include/LegacySupport
 #include <time.h>
 #include <errno.h>
 
-- 
2.30.2