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gentoo-overlay/dev-cpp/muParser/files/muParser-2.3-export-cmake.p...

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From a9e6626c9b2e250eb9161c767d2fb2e5a07315e2 Mon Sep 17 00:00:00 2001
From: Francis Giraldeau <francis.giraldeau@nrc-cnrc.gc.ca>
Date: Wed, 8 Jul 2020 14:59:27 -0400
Subject: [PATCH] Export muparser cmake targets
Export muparser targets, such that client projects can
import it using find_package(). This mechanism for both the build tree
and the install tree. The provided example3 shows how to import muparser
targets.
Signed-off-by: Francis Giraldeau <francis.giraldeau@nrc-cnrc.gc.ca>
Signed-off-by: Alexey Shvetsov <alexxy@gentoo.org>
---
CMakeLists.txt | 39 ++++++-
CMakeLists.txt.orig | 173 ++++++++++++++++++++++++++++++++
muparserConfig.cmake.in | 6 ++
samples/example3/CMakeLists.txt | 12 +++
samples/example3/README.md | 2 +
samples/example3/build.sh | 23 +++++
samples/example3/example3.cpp | 49 +++++++++
7 files changed, 301 insertions(+), 3 deletions(-)
create mode 100644 CMakeLists.txt.orig
create mode 100644 muparserConfig.cmake.in
create mode 100644 samples/example3/CMakeLists.txt
create mode 100644 samples/example3/README.md
create mode 100755 samples/example3/build.sh
create mode 100644 samples/example3/example3.cpp
diff --git a/CMakeLists.txt b/CMakeLists.txt
index cfdce99..aecc67d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -55,6 +55,11 @@ add_library(muparser
src/muParserTest.cpp
src/muParserTokenReader.cpp
)
+# use the headers in the build-tree or the installed ones
+target_include_directories(muparser PUBLIC
+ $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+ $<INSTALL_INTERFACE:include>
+)
# this compiles the "DLL" interface (C API)
target_compile_definitions(muparser PRIVATE MUPARSER_DLL)
@@ -77,9 +82,6 @@ set_target_properties(muparser PROPERTIES
SOVERSION ${MUPARSER_VERSION_MAJOR}
)
-# Install the export set for use with the install-tree
-export(TARGETS muparser FILE "${CMAKE_BINARY_DIR}/muparser-targets.cmake")
-
if(ENABLE_SAMPLES)
add_executable(example1 samples/example1/example1.cpp)
target_link_libraries(example1 muparser)
@@ -91,8 +93,10 @@ endif()
# The GNUInstallDirs defines ${CMAKE_INSTALL_DATAROOTDIR}
# See https://cmake.org/cmake/help/latest/module/GNUInstallDirs.html
include (GNUInstallDirs)
+set(INSTALL_CONFIGDIR ${CMAKE_INSTALL_LIBDIR}/cmake/muparser)
install(TARGETS muparser
+ EXPORT muparser-export
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT RuntimeLibraries
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT Development
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT RuntimeLibraries
@@ -116,6 +120,35 @@ install(FILES
COMPONENT Development
)
+# Export the target under the build-tree (no need to install)
+export(EXPORT muparser-export
+ FILE "${CMAKE_BINARY_DIR}/muparser-targets.cmake"
+ NAMESPACE muparser::
+)
+
+# Export the installed target (typically for packaging)
+include(CMakePackageConfigHelpers)
+write_basic_package_version_file(
+ "${CMAKE_CURRENT_BINARY_DIR}/muparserConfigVersion.cmake"
+ VERSION ${MUPARSER_VERSION}
+ COMPATIBILITY AnyNewerVersion
+)
+configure_file(muparserConfig.cmake.in
+ "${CMAKE_CURRENT_BINARY_DIR}/muparserConfig.cmake"
+ COPYONLY
+)
+install(EXPORT muparser-export
+ FILE muparser-targets.cmake
+ NAMESPACE muparser::
+ DESTINATION ${INSTALL_CONFIGDIR}
+)
+install(FILES
+ ${CMAKE_CURRENT_BINARY_DIR}/muparserConfig.cmake
+ ${CMAKE_CURRENT_BINARY_DIR}/muparserConfigVersion.cmake
+ DESTINATION ${INSTALL_CONFIGDIR}
+ COMPONENT Development
+)
+
# Define variables for the pkg-config file
set(PACKAGE_NAME muparser)
configure_file(
diff --git a/CMakeLists.txt.orig b/CMakeLists.txt.orig
new file mode 100644
index 0000000..b496584
--- /dev/null
+++ b/CMakeLists.txt.orig
@@ -0,0 +1,173 @@
+# CMake based on work from @xantares
+cmake_minimum_required (VERSION 3.1.0)
+set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+# By default, build in Release mode. Must appear before project() command
+if (NOT DEFINED CMAKE_BUILD_TYPE)
+ set (CMAKE_BUILD_TYPE Release CACHE STRING "Build type")
+endif ()
+
+project(muParserProject)
+
+
+
+# Bump versions on release
+set(MUPARSER_VERSION_MAJOR 2)
+set(MUPARSER_VERSION_MINOR 3)
+set(MUPARSER_VERSION_PATCH 2)
+set(MUPARSER_VERSION ${MUPARSER_VERSION_MAJOR}.${MUPARSER_VERSION_MINOR}.${MUPARSER_VERSION_PATCH})
+
+# Build options
+option(ENABLE_SAMPLES "Build the samples" ON)
+option(ENABLE_OPENMP "Enable OpenMP for multithreading" ON)
+option(BUILD_SHARED_LIBS "Build shared/static libs" ON)
+
+if(ENABLE_OPENMP)
+ find_package(OpenMP REQUIRED)
+ set(CMAKE_CXX_FLAGS "${OpenMP_CXX_FLAGS} ${CMAKE_CXX_FLAGS}")
+ set(CMAKE_SHARED_LIBRARY_CXX_FLAGS "${OpenMP_CXX_FLAGS} ${CMAKE_SHARED_LIBRARY_CXX_FLAGS}")
+endif()
+
+
+# Credit: https://stackoverflow.com/questions/2368811/how-to-set-warning-level-in-cmake/3818084
+if(MSVC)
+ # Force to always compile with W4
+ if(CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
+ string(REGEX REPLACE "/W[0-4]" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+ else()
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4")
+ endif()
+elseif(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
+ # Update if necessary
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wno-long-long -pedantic")
+endif()
+
+include_directories("${CMAKE_CURRENT_SOURCE_DIR}/include")
+add_library(muparser
+ src/muParserBase.cpp
+ src/muParserBytecode.cpp
+ src/muParserCallback.cpp
+ src/muParser.cpp
+ src/muParserDLL.cpp
+ src/muParserError.cpp
+ src/muParserInt.cpp
+ src/muParserTest.cpp
+ src/muParserTokenReader.cpp
+)
+<<<<<<< HEAD
+=======
+# use the headers in the build-tree or the installed ones
+target_include_directories(muparser PUBLIC
+ $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+ $<INSTALL_INTERFACE:include>
+)
+>>>>>>> e259981 (Export muparser cmake targets)
+
+# this compiles the "DLL" interface (C API)
+target_compile_definitions(muparser PRIVATE MUPARSER_DLL)
+
+if (BUILD_SHARED_LIBS)
+ target_compile_definitions(muparser PRIVATE MUPARSERLIB_EXPORTS)
+else ()
+ target_compile_definitions(muparser PUBLIC MUPARSER_STATIC)
+endif()
+
+if (CMAKE_BUILD_TYPE STREQUAL Debug)
+ target_compile_definitions(muparser PRIVATE _DEBUG)
+endif ()
+
+if(ENABLE_OPENMP)
+ target_compile_definitions(muparser PRIVATE MUP_USE_OPENMP)
+endif()
+set_target_properties(muparser PROPERTIES
+ VERSION ${MUPARSER_VERSION}
+ SOVERSION ${MUPARSER_VERSION_MAJOR}
+)
+
+if(ENABLE_SAMPLES)
+ add_executable(example1 samples/example1/example1.cpp)
+ target_link_libraries(example1 muparser)
+
+ add_executable(example2 samples/example2/example2.c)
+ target_link_libraries(example2 muparser)
+endif()
+
+# The GNUInstallDirs defines ${CMAKE_INSTALL_DATAROOTDIR}
+# See https://cmake.org/cmake/help/latest/module/GNUInstallDirs.html
+include (GNUInstallDirs)
+set(INSTALL_CONFIGDIR ${CMAKE_INSTALL_LIBDIR}/cmake/muparser)
+
+install(TARGETS muparser
+ EXPORT muparser-export
+ LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT RuntimeLibraries
+ ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT Development
+ RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT RuntimeLibraries
+)
+
+install(FILES
+ include/muParserBase.h
+ include/muParserBytecode.h
+ include/muParserCallback.h
+ include/muParserDef.h
+ include/muParserDLL.h
+ include/muParserError.h
+ include/muParserFixes.h
+ include/muParser.h
+ include/muParserInt.h
+ include/muParserTemplateMagic.h
+ include/muParserTest.h
+ include/muParserToken.h
+ include/muParserTokenReader.h
+ DESTINATION include
+ COMPONENT Development
+)
+
+# Export the target under the build-tree (no need to install)
+export(EXPORT muparser-export
+ FILE "${CMAKE_BINARY_DIR}/muparser-targets.cmake"
+ NAMESPACE muparser::
+)
+
+# Export the installed target (typically for packaging)
+include(CMakePackageConfigHelpers)
+write_basic_package_version_file(
+ "${CMAKE_CURRENT_BINARY_DIR}/muparserConfigVersion.cmake"
+ VERSION ${MUPARSER_VERSION}
+ COMPATIBILITY AnyNewerVersion
+)
+configure_file(muparserConfig.cmake.in
+ "${CMAKE_CURRENT_BINARY_DIR}/muparserConfig.cmake"
+ COPYONLY
+)
+install(EXPORT muparser-export
+ FILE muparser-targets.cmake
+ NAMESPACE muparser::
+ DESTINATION ${INSTALL_CONFIGDIR}
+)
+install(FILES
+ ${CMAKE_CURRENT_BINARY_DIR}/muparserConfig.cmake
+ ${CMAKE_CURRENT_BINARY_DIR}/muparserConfigVersion.cmake
+ DESTINATION ${INSTALL_CONFIGDIR}
+ COMPONENT Development
+)
+
+# Define variables for the pkg-config file
+set(PACKAGE_NAME muparser)
+configure_file(
+ muparser.pc.in
+ ${CMAKE_BINARY_DIR}/muparser.pc
+ @ONLY
+)
+install(
+ FILES ${CMAKE_BINARY_DIR}/muparser.pc
+ DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig
+)
+
+include(CTest)
+enable_testing()
+
+add_executable (t_ParserTest test/t_ParserTest.cpp)
+target_link_libraries(t_ParserTest muparser)
+add_test (NAME ParserTest COMMAND t_ParserTest)
+
diff --git a/muparserConfig.cmake.in b/muparserConfig.cmake.in
new file mode 100644
index 0000000..6a28a5e
--- /dev/null
+++ b/muparserConfig.cmake.in
@@ -0,0 +1,6 @@
+get_filename_component(muparser_CMAKE_DIR "${CMAKE_CURRENT_LIST_FILE}" PATH)
+include(CMakeFindDependencyMacro)
+
+if(NOT TARGET muparser::muparser)
+ include("${muparser_CMAKE_DIR}/muparser-targets.cmake")
+endif()
diff --git a/samples/example3/CMakeLists.txt b/samples/example3/CMakeLists.txt
new file mode 100644
index 0000000..0049c3e
--- /dev/null
+++ b/samples/example3/CMakeLists.txt
@@ -0,0 +1,12 @@
+cmake_minimum_required(VERSION 3.2)
+project(muparser-example3)
+
+# find muparser target already installed
+find_package(muparser 2.0 REQUIRED)
+
+add_executable(example3 example3.cpp)
+target_link_libraries(example3 muparser::muparser)
+
+include(CTest)
+add_test(example3 example3)
+
diff --git a/samples/example3/README.md b/samples/example3/README.md
new file mode 100644
index 0000000..73e15d4
--- /dev/null
+++ b/samples/example3/README.md
@@ -0,0 +1,2 @@
+The example3 shows how to import and use muparser as an installed external
+dependency using cmake `find_package()`.
diff --git a/samples/example3/build.sh b/samples/example3/build.sh
new file mode 100755
index 0000000..289fac9
--- /dev/null
+++ b/samples/example3/build.sh
@@ -0,0 +1,23 @@
+#!/bin/bash -x
+
+CWD="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+MP_SOURCES=${CWD}/../../
+MP_BUILD=${CWD}/muparser-build
+MP_INSTALL=${CWD}/muparser-install
+EX3_BUILD_TREE=${CWD}/example3-using-buildtree
+EX3_INSTALL_TREE=${CWD}/example3-using-installtree
+
+# Build muparser and install it
+cmake -H${MP_SOURCES} -B${MP_BUILD} -DCMAKE_INSTALL_PREFIX=${MP_INSTALL}
+cmake --build ${MP_BUILD} --target install
+
+# Build the example using muparser build tree
+cmake -H${CWD} -B${EX3_BUILD_TREE} -DCMAKE_PREFIX_PATH=${MP_BUILD}
+cmake --build ${EX3_BUILD_TREE} --target all
+cmake --build ${EX3_BUILD_TREE} --target test
+
+# Build the example using muparser install tree
+cmake -H${CWD} -B${EX3_INSTALL_TREE} -DCMAKE_PREFIX_PATH=${MP_INSTALL}
+cmake --build ${EX3_INSTALL_TREE} --target all
+cmake --build ${EX3_INSTALL_TREE} --target test
+
diff --git a/samples/example3/example3.cpp b/samples/example3/example3.cpp
new file mode 100644
index 0000000..78df86f
--- /dev/null
+++ b/samples/example3/example3.cpp
@@ -0,0 +1,49 @@
+/*
+
+ _____ __ _____________ _______ ______ ___________
+ / \| | \____ \__ \\_ __ \/ ___// __ \_ __ \
+ | Y Y \ | / |_> > __ \| | \/\___ \\ ___/| | \/
+ |__|_| /____/| __(____ /__| /____ >\___ >__|
+ \/ |__| \/ \/ \/
+ Copyright (C) 2004 - 2020 Ingo Berg
+
+ Redistribution and use in source and binary forms, with or without modification, are permitted
+ provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice, this list of
+ conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright notice, this list of
+ conditions and the following disclaimer in the documentation and/or other materials provided
+ with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+ IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+// Small example using the cmake imported target. Include file and link library
+// should work automagically.
+
+#include <muParser.h>
+#include <muParserDef.h>
+
+int main()
+{
+ mu::Parser parser;
+
+ mu::value_type values[] = { 1, 2 };
+ parser.DefineVar("a", &values[0]);
+ parser.DefineVar("b", &values[1]);
+
+ std::string expr = "a + b";
+ parser.SetExpr("a + b");
+ mu::value_type ans = parser.Eval();
+ std::cout << expr << " == " << ans << "\n";
+
+ return (ans == 3.0) ? 0 : -1;
+}
--
2.33.1