From 10abc615fae65f23ec0dbe03591e32b06fa8ff5e Mon Sep 17 00:00:00 2001
From: Richard Ipsum <richardipsum@fastmail.co.uk>
Date: Tue, 6 Jun 2017 21:33:25 +0100
Subject: Replace find lua rules with luxio cargo

Take the findlua.mk file from luxio and use it for this project.
---
 findlua.mk | 80 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 findlua.mk

(limited to 'findlua.mk')

diff --git a/findlua.mk b/findlua.mk
new file mode 100644
index 0000000..45012b7
--- /dev/null
+++ b/findlua.mk
@@ -0,0 +1,80 @@
+ifeq ($(strip $(shell which pkg-config > /dev/null || echo NONE)),NONE)
+  $(error This makefile requires pkg-config)
+endif
+
+ifeq ($(strip $(shell which $(CC) > /dev/null || echo NONE)),NONE)
+  $(info Luxio: Hmm, CC make variable contains nonsense.  Overriding to gcc.)
+  CC := gcc
+endif
+
+# This isn't nice.  Find a nice way.
+HOST_OS := $(shell uname -s)
+
+ifneq ($(findstring $(HOST_OS),Linux NetBSD GNU/kFreeBSD),)
+  # These operating systems require a seperate Real Time library
+  EXTRA_LIBS := -lrt
+else
+  EXTRA_LIBS :=
+endif
+
+NAKED_LUA_VER := $(shell (pkg-config --exists lua && \
+                          pkg-config --modversion lua || \
+                          pkg-config --variable V lua) | cut -d. -f1-2)
+
+# find appropriate Lua interpreter
+LUA_REPL := $(shell (which lua5.1 > /dev/null 2>&1 && echo lua5.1) || \
+                    (which lua-5.1 > /dev/null 2>&1 && echo lua-5.1) || \
+                    (which lua51  > /dev/null 2>&1 && echo lua51) || \
+                    (lua -e"print(_VERSION)" | grep -q 5.1 && echo lua) || \
+                    (which lua-5.2 > /dev/null 2>&1 && echo lua-5.2) || \
+                    (which lua52 > /dev/null 2>&1 && echo lua52))
+
+# find appropriate Lua libraries
+define find_lua_libs
+LUA$(1)_PKG := $$(shell (pkg-config --exists lua$(2) && echo lua$(2)) || \
+                     (pkg-config --exists lua-$(2) && echo lua-$(2)) || \
+                     (pkg-config --exists lua$(1) && echo lua$(1)) || \
+                     (echo "NONE"))
+
+LUA$(1)_PKG := $$(strip $$(LUA$(1)_PKG))
+
+ifeq ($$(LUA$(1)_PKG),NONE)
+  ifeq ($$(NAKED_LUA_VER),$(2))
+    LUA$(1)_PKG := lua
+  endif
+endif
+
+ifneq ($$(LUA$(1)_PKG),NONE)
+  $$(info Luxio: Lua $(2) package name on this system is $$(LUA$(1)_PKG))
+  LUA$(1)_HAS_MODINST := $$(shell test x`pkg-config --variable INSTALL_LMOD $$(LUA$(1)_PKG)` != x && echo YES)
+  LUA$(1)_INC := $$(shell pkg-config --cflags $$(LUA$(1)_PKG))
+  LUA$(1)_LIB := $$(shell pkg-config --libs $$(LUA$(1)_PKG))
+  ifeq ($$(LUA$(1)_HAS_MODINST),)
+    LOCAL := YES
+  endif
+  ifeq ($$(LOCAL),)
+    LUA$(1)_LMOD_INST := $$(shell pkg-config --variable=INSTALL_LMOD $$(LUA$(1)_PKG))
+    LUA$(1)_CMOD_INST := $$(shell pkg-config --variable=INSTALL_CMOD $$(LUA$(1)_PKG))
+  else
+    LUA$(1)_LMOD_INST := /usr/local/share/lua/$(2)
+    LUA$(1)_CMOD_INST := /usr/local/lib/lua/$(2)
+  endif
+
+  .PHONY: lua-$(2)-try
+  lua-$(2)-try: lua-$(2)
+
+  .PHONY: lua-$(2)-try-install
+  lua-$(2)-try-install: lua-$(2)-install
+else
+.PHONY: lua-$(2)-try
+lua-$(2)-try:
+	@echo Luxio: Lua $(2) could not be found, so luxio was not built for it.
+
+.PHONY: lua-$(2)-try-install
+lua-$(2)-try-install:
+	@echo Luxio: Lua $(2) could not be found, so luxio was not installed for it.
+endif
+endef
+
+$(eval $(call find_lua_libs,51,5.1))
+$(eval $(call find_lua_libs,52,5.2))
-- 
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