initial commit - linking static lib to executable

cplusplus/cmake_ys/executable_staticlib/A/CMakeLists.txt

@@ -0,0 +1,7 @@
+add_subdirectory(TestA)
+add_subdirectory(LibA)
+
+target_link_libraries(TestA
+PRIVATE
+ LibA
+)

cplusplus/cmake_ys/executable_staticlib/A/LibA/CMakeLists.txt

@@ -0,0 +1,15 @@
+
+
+add_library(LibA)
+target_sources(LibA
+ PRIVATE
+    func1.cxx
+
+ PUBLIC
+    FILE_SET HEADERS
+    FILES
+      func1.h
+ 
+
+)
+

cplusplus/cmake_ys/executable_staticlib/A/LibA/func1.cxx

@@ -0,0 +1,6 @@
+namespace LibA {
+double sqrt(double x)
+{
+  return -42;
+}
+}

cplusplus/cmake_ys/executable_staticlib/A/LibA/func1.h

@@ -0,0 +1,3 @@
+namespace LibA {
+double sqrt(double x);
+}

cplusplus/cmake_ys/executable_staticlib/A/TestA/CMakeLists.txt

@@ -0,0 +1,13 @@
+
+add_executable(TestA)
+
+target_sources(TestA
+PRIVATE
+testA.cxx
+)
+
+target_link_libraries(TestA
+PRIVATE
+ LibA
+)
+

cplusplus/cmake_ys/executable_staticlib/A/TestA/testA.cxx

@@ -0,0 +1,9 @@
+#include "iostream"
+#include "func1.h"
+
+int main()
+{
+
+    std::cout<<"hello world"<<std::endl<<LibA::sqrt(5);
+
+}

cplusplus/cmake_ys/executable_staticlib/B/CMakeLists.txt

@@ -0,0 +1,2 @@
+add_subdirectory(TestB)
+

cplusplus/cmake_ys/executable_staticlib/B/TestB/CMakeLists.txt

@@ -0,0 +1,6 @@
+
+add_executable(TestB)
+target_sources(TestB
+PRIVATE
+testB.cxx
+)

cplusplus/cmake_ys/executable_staticlib/B/TestB/testB.cxx

@@ -0,0 +1,8 @@
+#include "iostream"
+
+int main()
+{
+
+    std::cout<<"hello world"<<std::endl;
+
+}

cplusplus/cmake_ys/executable_staticlib/CMakeLists.txt

@@ -0,0 +1,5 @@
+cmake_minimum_required(VERSION 3.23)
+project(learning2)
+
+add_subdirectory(A)
+add_subdirectory(B)