docs: Update 3 files

README.md

@@ -48,6 +48,23 @@ Two HTTP client approaches are available:
    }
    ```
 
+   To use CPR in your CMakeLists.txt with proper static linking:
+   ```cmake
+   find_package(nlohmann_json REQUIRED)
+   
+   # CPR static linking setup
+   add_library(cpr::cpr_static STATIC IMPORTED)
+   set_target_properties(cpr::cpr_static PROPERTIES
+       IMPORTED_LOCATION "/usr/local/lib/libcpr.a"
+       INTERFACE_INCLUDE_DIRECTORIES "/usr/local/include"
+       INTERFACE_LINK_LIBRARIES "/usr/local/lib/libcurl.a;/usr/local/lib64/libssl.a;/usr/local/lib64/libcrypto.a;/usr/lib/libz.a;/usr/lib/libzstd.a;lzma;dl"
+   )
+   
+   target_link_libraries(${PROJECT_NAME} PRIVATE 
+       nlohmann_json::nlohmann_json 
+       cpr::cpr_static)
+   ```
+
 ## Quick Start
 
 ### Building the Base Image

build-base/Dockerfile.dropshell-build-base

@@ -183,6 +183,22 @@ RUN curl -LO https://github.com/libcpr/cpr/archive/refs/tags/${CPR_VERSION}.tar.
     make install && \
     cd / && rm -rf /tmp/cpr-${CPR_VERSION} /tmp/${CPR_VERSION}.tar.gz
 
+# Fix CPR CMake config to provide a static-only target
+RUN cat > /usr/local/lib/cmake/cpr/cprConfig-static.cmake << 'EOF'
+# Static-only CPR configuration that avoids CURL dependency issues
+
+# Create the static CPR target
+add_library(cpr::cpr_static STATIC IMPORTED)
+set_target_properties(cpr::cpr_static PROPERTIES
+    IMPORTED_LOCATION "${CMAKE_CURRENT_LIST_DIR}/../../../lib/libcpr.a"
+    INTERFACE_INCLUDE_DIRECTORIES "${CMAKE_CURRENT_LIST_DIR}/../../../include"
+    INTERFACE_LINK_LIBRARIES "/usr/local/lib/libcurl.a;/usr/local/lib64/libssl.a;/usr/local/lib64/libcrypto.a;/usr/lib/libz.a;/usr/lib/libzstd.a;lzma;dl"
+)
+
+# Provide an alias for convenience
+add_library(cpr::static ALIAS cpr::cpr_static)
+EOF
+
 
 ARG MARIADB_CONNECTOR_VERSION=3.4.5
 WORKDIR /tmp

tests/cprdemo/CMakeLists.txt

@@ -35,27 +35,17 @@ target_include_directories(${PROJECT_NAME} PRIVATE
     src)
 
 # Find packages
-find_package(OpenSSL REQUIRED)
 find_package(nlohmann_json REQUIRED)
-find_package(PkgConfig REQUIRED)
 
-# Use pkg-config for libcurl since CMake config isn't available
-pkg_check_modules(CURL REQUIRED libcurl)
-
-# Create a static-only CPR target to avoid dynamic linking issues
+# CPR static linking setup
 add_library(cpr::cpr_static STATIC IMPORTED)
 set_target_properties(cpr::cpr_static PROPERTIES
     IMPORTED_LOCATION "/usr/local/lib/libcpr.a"
     INTERFACE_INCLUDE_DIRECTORIES "/usr/local/include"
+    INTERFACE_LINK_LIBRARIES "/usr/local/lib/libcurl.a;/usr/local/lib64/libssl.a;/usr/local/lib64/libcrypto.a;/usr/lib/libz.a;/usr/lib/libzstd.a;lzma;dl"
 )
 
-# Link libraries with explicit static linking
+# Link libraries
 target_link_libraries(${PROJECT_NAME} PRIVATE
     nlohmann_json::nlohmann_json 
-    cpr::cpr_static
-    /usr/local/lib/libcurl.a
-    /usr/local/lib64/libssl.a
-    /usr/local/lib64/libcrypto.a
-    /usr/lib/libz.a
-    /usr/lib/libzstd.a
-    lzma dl)
+    cpr::cpr_static)