From 11cc8d666d3092a1474a848eae1397c5a49c156f Mon Sep 17 00:00:00 2001
From: Avril <flanchan@cumallover.me>
Date: Fri, 19 Mar 2021 20:18:50 +0000
Subject: [PATCH] added make install and uninstall targets

C linkage for state and generator mutation
---
 Makefile        | 24 +++++++++++++++++++++++-
 include/state.h |  6 ++++--
 src/dev.h       |  4 ++++
 src/gen.cpp     |  3 +--
 src/state.cpp   |  4 ++--
 5 files changed, 34 insertions(+), 7 deletions(-)

diff --git a/Makefile b/Makefile
index def55cd..ebe10dc 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,10 @@
 PROJECT=sm
 AUTHOR=Avril (Flanchan) <flanchan@cumallover.me>
+VERSION=1.0.0
+
+ifeq ($(PREFIX),)
+	PREFIX := /usr/local
+endif
 
 SRC_C   = $(wildcard src/*.c)
 SRC_CXX = $(wildcard src/*.cpp)
@@ -9,7 +14,9 @@ TEST_SRC_CXX = $(wildcard src/test/*.cpp)
 
 INCLUDE=include
 
-COMMON_FLAGS= -W -Wall -pedantic -fno-strict-aliasing $(addprefix -I,$(INCLUDE))
+HEADERS=$(INCLUDE)/*.h
+
+COMMON_FLAGS= -D_VERSION=$(VERSION) -W -Wall -pedantic -fno-strict-aliasing $(addprefix -I,$(INCLUDE))
 
 OPT_FLAGS?= -march=native -fgraphite -fopenmp -floop-parallelize-all -ftree-parallelize-loops=4 \
 	    -floop-interchange -ftree-loop-distribution -floop-strip-mine -floop-block \
@@ -52,6 +59,9 @@ debug: | dirs lib$(PROJECT)-debug.so lib$(PROJECT)-debug.a
 .PHONY: test
 test: | dirs $(PROJECT)-test
 
+.PHONY: install
+.PHONY: uninstall
+
 # Targets
 
 dirs:
@@ -102,3 +112,15 @@ clean-rebuild:
 clean: clean-rebuild
 	rm -f lib$(PROJECT){-debug,}.{so,a}
 	rm -f $(PROJECT)-test
+
+install: | dirs lib$(PROJECT).a lib$(PROJECT).so
+	install -d $(DESTDIR)$(PREFIX)/lib/
+	install -m 644 lib$(PROJECT).a $(DESTDIR)$(PREFIX)/lib/
+	install -m 755 lib$(PROJECT).so $(DESTDIR)$(PREFIX)/lib/
+	install -d $(DESTDIR)$(PREFIX)/include/$(PROJECT)/
+	install -m 644 $(HEADERS) $(DESTDIR)$(PREFIX)/include/$(PROJECT)/
+
+uninstall:
+	rm $(DESTDIR)$(PREFIX)/lib/lib$(PROJECT).{a,so}
+	ls $(HEADERS) | xargs -I {} basename {} | xargs -I {} rm "$(DESTDIR)$(PREFIX)/include/$(PROJECT)/{}"
+	rmdir $(DESTDIR)$(PREFIX)/include/$(PROJECT)
diff --git a/include/state.h b/include/state.h
index ac43c76..d3db4d3 100644
--- a/include/state.h
+++ b/include/state.h
@@ -112,5 +112,7 @@ inline sm_yield sm_continue() { return (sm_yield)_sm_noop; }
 
 // ---
 
-sm_state* sm_new_state();
-void sm_free_state(sm_state* state);
+extern "C" {
+	sm_state* sm_new_state();
+	void sm_free_state(sm_state* state);
+}
diff --git a/src/dev.h b/src/dev.h
index 47f0ff3..f4f63a1 100644
--- a/src/dev.h
+++ b/src/dev.h
@@ -3,11 +3,15 @@
 
 
 #ifdef __cplusplus
+#define EX_C extern "C"
+
 #include <cstdio>
 #define restrict __restrict__
 
 [[noreturn]]
 #else
+#define EX_C
+
 #include <stdio.h>
 
 __attribute__((noreturn))
diff --git a/src/gen.cpp b/src/gen.cpp
index 61b5f8e..3d3ec71 100644
--- a/src/gen.cpp
+++ b/src/gen.cpp
@@ -1,6 +1,5 @@
 #include <gen.h>
-
-#define EX_C extern "C"
+#include "dev.h"
 
 struct sm_generator
 {
diff --git a/src/state.cpp b/src/state.cpp
index a8797d4..5e63fee 100644
--- a/src/state.cpp
+++ b/src/state.cpp
@@ -13,7 +13,7 @@ sm_yield _sm_noop(sm_state*)
 	return (sm_yield)nullptr;
 }
 
-sm_state* sm_new_state()
+EX_C sm_state* sm_new_state()
 {
 	auto state = box<sm_state>();
 	state->current = box<_sm_frame, true>();
@@ -54,7 +54,7 @@ inline static void _sm_free_all_pages(_sm_user_page* page)
 	}
 }
 
-void sm_free_state(sm_state* state)
+EX_C void sm_free_state(sm_state* state)
 {
 	_sm_frame* frame = unbox(state).current;