From 506090032a07f2f3a74a44d8c8774cbdd252c947 Mon Sep 17 00:00:00 2001
From: Loek Le Blansch <loek@pipeframe.xyz>
Date: Sat, 28 Sep 2024 14:45:53 +0200
Subject: WIP ExternalProject test

---
 mwe/dynlink/exec/CMakeLists.txt | 10 +++++++++-
 mwe/dynlink/exec/main.c         |  3 ++-
 mwe/dynlink/lib/CMakeLists.txt  | 16 +++++++++++++++-
 mwe/dynlink/lib/lib.c           |  3 ---
 mwe/dynlink/lib/lib.h           |  3 ---
 mwe/dynlink/lib/test.c          |  3 +++
 mwe/dynlink/lib/test.h          |  3 +++
 7 files changed, 32 insertions(+), 9 deletions(-)
 delete mode 100644 mwe/dynlink/lib/lib.c
 delete mode 100644 mwe/dynlink/lib/lib.h
 create mode 100644 mwe/dynlink/lib/test.c
 create mode 100644 mwe/dynlink/lib/test.h

(limited to 'mwe/dynlink')

diff --git a/mwe/dynlink/exec/CMakeLists.txt b/mwe/dynlink/exec/CMakeLists.txt
index 5335f0f..465b45e 100644
--- a/mwe/dynlink/exec/CMakeLists.txt
+++ b/mwe/dynlink/exec/CMakeLists.txt
@@ -5,12 +5,20 @@ set(CMAKE_CXX_STANDARD 20)
 
 project(main C CXX)
 
+add_executable(main main.c)
+
 # Since we have the source code for the test library, we might as well let
 # CMake use it so it automatically picks up the interface headers and compiles
 # the library for us. The same can be achieved manually, but is more code.
 add_subdirectory(../lib test)
 
-add_executable(main main.c)
+# include(ExternalProject)
+# ExternalProject_Add(test_ext
+# 	SOURCE_DIR ../../lib
+# 	CMAKE_ARGS -DCMAKE_INSTALL_PREFIX="${CMAKE_BINARY_DIR}/ext"
+# )
+# add_dependencies(main test_ext)
+# find_package(test REQUIRED)
 
 # Make sure ld.so (linux) looks in the same folder as the final executable for
 # the .so dependency
diff --git a/mwe/dynlink/exec/main.c b/mwe/dynlink/exec/main.c
index 2bbdc20..ea55feb 100644
--- a/mwe/dynlink/exec/main.c
+++ b/mwe/dynlink/exec/main.c
@@ -1,7 +1,8 @@
-#include <lib.h>
+#include <test.h>
 
 int main() {
 	library_function();
 
 	return 0;
 }
+
diff --git a/mwe/dynlink/lib/CMakeLists.txt b/mwe/dynlink/lib/CMakeLists.txt
index 2d15353..7efc91a 100644
--- a/mwe/dynlink/lib/CMakeLists.txt
+++ b/mwe/dynlink/lib/CMakeLists.txt
@@ -5,6 +5,20 @@ set(CMAKE_CXX_STANDARD 20)
 
 project(lib C CXX)
 
-add_library(test SHARED lib.c)
+add_library(test SHARED)
+
 target_include_directories(test SYSTEM INTERFACE .)
 
+target_sources(test PUBLIC
+	test.c
+)
+
+target_sources(test PUBLIC FILE_SET HEADERS FILES
+	test.h
+)
+
+install(
+	TARGETS test
+	FILE_SET HEADERS DESTINATION include
+)
+
diff --git a/mwe/dynlink/lib/lib.c b/mwe/dynlink/lib/lib.c
deleted file mode 100644
index c7a78e4..0000000
--- a/mwe/dynlink/lib/lib.c
+++ /dev/null
@@ -1,3 +0,0 @@
-#include <stdio.h>
-
-void library_function() { printf("%s\n", __PRETTY_FUNCTION__); }
diff --git a/mwe/dynlink/lib/lib.h b/mwe/dynlink/lib/lib.h
deleted file mode 100644
index 093eadb..0000000
--- a/mwe/dynlink/lib/lib.h
+++ /dev/null
@@ -1,3 +0,0 @@
-#pragma once
-
-void library_function();
diff --git a/mwe/dynlink/lib/test.c b/mwe/dynlink/lib/test.c
new file mode 100644
index 0000000..c7a78e4
--- /dev/null
+++ b/mwe/dynlink/lib/test.c
@@ -0,0 +1,3 @@
+#include <stdio.h>
+
+void library_function() { printf("%s\n", __PRETTY_FUNCTION__); }
diff --git a/mwe/dynlink/lib/test.h b/mwe/dynlink/lib/test.h
new file mode 100644
index 0000000..093eadb
--- /dev/null
+++ b/mwe/dynlink/lib/test.h
@@ -0,0 +1,3 @@
+#pragma once
+
+void library_function();
-- 
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