Fix an issue where compiling the example would look for a C++ compiler

Author: jbigot

CMakeLists.txt

@@ -15,26 +15,29 @@ include(CTest)
 include(CMakePackageConfigHelpers)
 include(GenerateExportHeader)
 include(GNUInstallDirs)
-set(INSTALL_CMAKEDIR "${CMAKE_INSTALL_DATADIR}/paraconf/cmake" CACHE STRING "installation path for cmake files")
-set(PARACONF_INSTALL_CMAKEDIR "${INSTALL_CMAKEDIR}" CACHE STRING "installation path for cmake files of Paraconf") # not provided by GNUInstallDirs
 
 
 # Build options
-
+if(DEFINED BUILD_EXAMPLE) # Use the non-namespaced BUILD_EXAMPLE as default if provided
+	option(PARACONF_BUILD_EXAMPLE    "Build Paraconf example" "${BUILD_EXAMPLE}")
+endif()
 option(BUILD_SHARED_LIBS "Build shared libraries rather than static ones" ON)
-option(BUILD_EXAMPLE     "Build example" ON)
+option(BUILD_EXAMPLE     "Build example" "${BUILD_TESTING}")
 option(BUILD_FORTRAN     "Enable Fortran support" ON)
-option(PARACONF_BUILD_EXAMPLE "Build Paraconf example" "${BUILD_EXAMPLE}")
-option(PARACONF_BUILD_FORTRAN "Enable Fortran support in Paraconf" "${BUILD_FORTRAN}")
-option(PARACONF_BUILD_TESTING "Enable Tests in Paraconf" "${BUILD_TESTING}")
-
-if("${PARACONF_BUILD_FORTRAN}")
-	enable_language(Fortran)
-endif()
+set(   INSTALL_CMAKEDIR  "${CMAKE_INSTALL_DATADIR}/paraconf/cmake" CACHE STRING "installation path for cmake files")
+option(PARACONF_BUILD_FORTRAN    "Enable Fortran support in Paraconf" "${BUILD_FORTRAN}")
+option(PARACONF_BUILD_TESTING    "Enable Tests in Paraconf" "${BUILD_TESTING}")
+#else(NOT DEFINED BUILD_EXAMPLE) fallback to PARACONF_BUILD_TESTING as default
+option(PARACONF_BUILD_EXAMPLE    "Build Paraconf example" "${PARACONF_BUILD_TESTING}")
+#endif()
+set(   PARACONF_INSTALL_CMAKEDIR "${INSTALL_CMAKEDIR}" CACHE STRING "installation path for cmake files of Paraconf") # not provided by GNUInstallDirs
 
 
 # Dependencies
 
+if("${PARACONF_BUILD_FORTRAN}")
+	enable_language(Fortran)
+endif()
 find_package(Threads REQUIRED)
 find_package(yaml REQUIRED)
 

README.md

@@ -24,14 +24,15 @@ Paraconf depends on:
 Paraconf Fortran support depends on:
   * a Fortran-2003 compiler
 
-For example, you can get release 1.0.3, compile & install it with:
+For example, you can get release 1.0.4, compile & install it with:
 ```bash
-wget https://github.com/pdidev/paraconf/archive/1.0.3.tar.gz
-tar -xzf 1.0.3.tar.gz
-cmake -DCMAKE_INSTALL_PREFIX=/usr/ -B paraconf-build -S paraconf-1.0.3
+wget https://github.com/pdidev/paraconf/archive/1.0.4.tar.gz
+tar -xzf 1.0.4.tar.gz
+cmake -DCMAKE_INSTALL_PREFIX=/usr/ -B paraconf-build -S paraconf-1.0.4
 cmake --build paraconf-build
 ```
 
+[!TIP]
 Change `-DCMAKE_INSTALL_PREFIX=/usr/` to something else if you want to install
 somewhere else than in `/usr/`.
 

VERSION

@@ -1 +1 @@
-1.0.3
+1.0.4

example/CMakeLists.txt

@@ -4,7 +4,7 @@
 # SPDX-License-Identifier: MIT
 
 cmake_minimum_required(VERSION 3.22...4.2)
-project(paraconf_examples LANGUAGES C CXX)
+project(paraconf_examples LANGUAGES C)
 
 option(BUILD_FORTRAN "Enable Fortran support" ON)
 option(PARACONF_BUILD_FORTRAN "Enable Fortran support in Paraconf" "${BUILD_FORTRAN}")