CMake and vcpkg support

.gitignore

@@ -277,3 +277,6 @@ GTAGS
 /nel
 /nev
 /fes
+
+# Build dirs
+*build*

CMakeLists.txt

@@ -0,0 +1,134 @@
+cmake_minimum_required(VERSION 3.11)
+
+project(vere VERSION 2.1.2 LANGUAGES C)
+
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_C_STANDARD_REQUIRED OFF)
+set(CMAKE_CXX_STANDARD_REQUIRED OFF)
+set(CMAKE_C_EXTENSIONS ON)
+set(CMAKE_CXX_EXTENSIONS ON)
+
+add_library("${PROJECT_NAME}_compiler_flags" INTERFACE)
+
+if (NOT DEFINED CMAKE_SYSTEM_NAME)
+    set(CMAKE_SYSTEM_NAME "${CMAKE_HOST_SYSTEM_NAME}")
+endif (NOT DEFINED CMAKE_SYSTEM_NAME)
+
+if (NOT DEFINED MSVC_VERSION
+        OR MSVC_VERSION STRGREATER "1900" # 2015
+        OR NOT (CMAKE_C_COMPILER_ID STREQUAL "OpenWatcom"))
+    target_compile_features(
+            "${PROJECT_NAME}_compiler_flags"
+            INTERFACE
+            "c_std_${CMAKE_C_STANDARD}"
+    )
+endif ()
+if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15")
+    # add compiler warning flags just when building this project via
+    # the BUILD_INTERFACE genex
+    set(gcc_like "$<COMPILE_LANG_AND_ID:C,CXX,ARMClang,AppleClang,Clang,GNU,LCC>")
+    set(msvc "$<COMPILE_LANG_AND_ID:C,CXX,MSVC>")
+    target_compile_options(
+            "${PROJECT_NAME}_compiler_flags"
+            INTERFACE
+            "$<${gcc_like}:$<BUILD_INTERFACE:-Wshadow;-Wformat=2;-Wall;-Wno-zero-length-array;-Wno-gnu-statement-expression-from-macro-expansion;-Wno-gnu-binary-literal;-Wno-gnu-label-as-value;-Wno-gnu-pointer-arith;-pedantic>>"
+            "$<${msvc}:$<BUILD_INTERFACE:-W3;-WX;-Zi;-permissive->>"
+    )
+endif (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15")
+# Set the build directories
+if (CMAKE_SYSTEM_NAME STREQUAL "Windows"
+        OR CMAKE_SYSTEM_NAME STREQUAL "CYGWIN"
+        OR CMAKE_SYSTEM_NAME MATCHES "MINGW.*")
+    set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}")
+    set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}")
+    set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}")
+else ()
+    set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib")
+    set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin")
+    set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib")
+endif ()
+
+if (CMAKE_GENERATOR MATCHES "Visual Studio 8 2005.*")
+    set(COMPILE_LANG_AND_ID "MSVC")
+else ()
+    set(CMAKE_C_VISIBILITY_PRESET hidden)
+    set(CMAKE_CXX_VISIBILITY_PRESET hidden)
+    set(CMAKE_VISIBILITY_INLINES_HIDDEN YES)
+
+    target_compile_features("${PROJECT_NAME}_compiler_flags" INTERFACE "c_std_${CMAKE_C_STANDARD}")
+
+    # add compiler warning flags just when building this project via
+    # the BUILD_INTERFACE genex
+    set(gcc_like "$<COMPILE_LANG_AND_ID:C,CXX,ARMClang,AppleClang,Clang,GNU,LCC>")
+    set(msvc "$<COMPILE_LANG_AND_ID:C,CXX,MSVC>")
+    target_compile_options(
+            "${PROJECT_NAME}_compiler_flags"
+            INTERFACE
+            "$<${gcc_like}:$<BUILD_INTERFACE:-Wshadow;-Wformat=2;-Wall;-pedantic>>"
+            "$<${msvc}:$<BUILD_INTERFACE:-W3;-WX;-Zi;-permissive->>"
+    )
+endif ()
+
+include(CheckSymbolExists)
+check_symbol_exists(BCryptGenRandom "windows.h;bcrypt.h" HAVE_BCRYPT)
+
+# configure a header file to pass the version number and exist flags only
+configure_file(
+        "${CMAKE_CURRENT_SOURCE_DIR}/cmake/config.h.in"
+        "${PROJECT_NAME}Config.h"
+)
+
+#===============================================================================
+# 4. ADD SUB-TARGETS
+# Doing this at the end so that all definitions and link/include paths are
+# available for the sub-projects.
+#===============================================================================
+add_subdirectory("pkg")
+
+###########
+# Install #
+###########
+
+include(GNUInstallDirs)
+
+install(
+        FILES "${PROJECT_BINARY_DIR}/${PROJECT_NAME}Config.h"
+        DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
+)
+include(InstallRequiredSystemLibraries)
+set(CPACK_BUNDLE_NAME "${PROJECT_NAME}")
+set(CPACK_PACKAGE_VENDOR "urbit/vere maintainers")
+set(CPACK_PACKAGE_DESCRIPTION "The lowest layer of the Urbit stack.")
+set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "${CPACK_PACKAGE_DESCRIPTION_SUMMARY}")
+if (APPLE)
+    set(CPACK_BUNDLE_PLIST "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Info.plist")
+    set(CPACK_BUNDLE_ICON "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Info.plist")
+    set(CPACK_PACKAGE_ICON "${CMAKE_CURRENT_SOURCE_DIR}/cmake/CustomVolumeIcon.icns")
+endif (APPLE)
+set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_SOURCE_DIR}/LICENSE.txt")
+set(CPACK_PACKAGE_VERSION_MAJOR "${${PROJECT_NAME}_VERSION_MAJOR}")
+set(CPACK_PACKAGE_VERSION_MINOR "${${PROJECT_NAME}_VERSION_MINOR}")
+set(CPACK_RESOURCE_FILE_README "${CMAKE_CURRENT_SOURCE_DIR}/cmake/README.txt")
+set(CPACK_RESOURCE_FILE_WELCOME "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Welcome.txt")
+set(CPACK_PACKAGE_CONTACT "https://github.com/urbit/${PROJECT_NAME}")
+
+include(CPack)
+include(CMakePackageConfigHelpers)
+
+# generate the config file that is includes the exports
+configure_package_config_file(
+        "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Config.cmake.in"
+        "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
+        INSTALL_DESTINATION "${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME}"
+        NO_SET_AND_CHECK_MACRO
+        NO_CHECK_REQUIRED_COMPONENTS_MACRO
+)
+
+# generate the version file for the config file
+write_basic_package_version_file(
+        "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake"
+        VERSION "${${PROJECT_NAME}_VERSION_MAJOR}.${${PROJECT_NAME}_VERSION_MINOR}"
+        COMPATIBILITY AnyNewerVersion
+)
+install(FILES "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
+        DESTINATION "${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME}")

cmake/CTestConfig.cmake

@@ -0,0 +1,7 @@
+set(CTEST_PROJECT_NAME "bc")
+set(CTEST_NIGHTLY_START_TIME "00:00:00 EST")
+
+set(CTEST_DROP_METHOD "http")
+set(CTEST_DROP_SITE "my.cdash.org")
+set(CTEST_DROP_LOCATION "/submit.php?project=vere")
+set(CTEST_DROP_SITE_CDASH TRUE)

cmake/Config.cmake.in

@@ -0,0 +1,4 @@
+
+@PACKAGE_INIT@
+
+include ( "${CMAKE_CURRENT_LIST_DIR}/vereTargets.cmake" )

cmake/Info.plist

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+	<dict>
+		<key>CFBundleExecutable</key>
+		<string>BundleGeneratorTest</string>
+		<key>CFBundleIconFile</key>
+		<string>BundleGeneratorTest.icns</string>
+		<key>CFBundleInfoDictionaryVersion</key>
+		<string>6.0</string>
+		<key>CFBundlePackageType</key>
+		<string>APPL</string>
+	</dict>
+</plist>

cmake/MultiCPackConfig.cmake

@@ -0,0 +1,6 @@
+include("release/CPackConfig.cmake")
+
+set(CPACK_INSTALL_CMAKE_PROJECTS
+        "debug;vere;ALL;/"
+        "release;vere;ALL;/"
+)

cmake/README.txt

@@ -0,0 +1,3 @@
+vere
+
+The lowest layer of the Urbit stack.

cmake/Welcome.txt

@@ -0,0 +1 @@
+This installs vere.

cmake/config.h.in

@@ -0,0 +1,9 @@
+#ifndef VERE_CONFIG_H
+#define VERE_CONFIG_H
+
+#define VERE_VERSION_MAJOR @vere_VERSION_MAJOR@
+#define VERE_VERSION_MINOR @vere_VERSION_MINOR@
+#define VERE_VERSION_PATCH @vere_VERSION_PATCH@
+#define VERE_VERSION       "@vere_VERSION@"
+
+#endif /* !VERE_CONFIG_H */

pkg/CMakeLists.txt

@@ -0,0 +1,33 @@
+set(installable_libs "c3" "ent" "ur" "noun" "urcrypt" "vere")
+
+foreach (pkg ${installable_libs})
+    add_subdirectory("${pkg}")
+endforeach (pkg ${installable_libs})
+
+list(APPEND installable_libs "ge-additions")
+
+#########
+# Tests #
+#########
+
+# TODO
+
+#################
+# Install rules #
+#################
+
+include(GNUInstallDirs)
+
+if (TARGET "${DEPENDANT_LIBRARY}")
+    list(APPEND installable_libs "${DEPENDANT_LIBRARY}")
+endif ()
+if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.13")
+    list(APPEND installable_libs "${PROJECT_NAME}_compiler_flags")
+endif ()
+install(TARGETS ${installable_libs}
+        EXPORT "${LIBRARY_NAME}Targets"
+        ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+        LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+        RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}")
+install(EXPORT "${LIBRARY_NAME}Targets"
+        DESTINATION "${CMAKE_INSTALL_DATADIR}/${LIBRARY_NAME}")

pkg/c3/CMakeLists.txt

@@ -0,0 +1,65 @@
+get_filename_component(LIBRARY_NAME "${CMAKE_CURRENT_SOURCE_DIR}" NAME)
+
+set(Header_Files "c3.h" "defs.h" "motes.h" "portable.h" "types.h")
+source_group("Header Files" FILES "${Header_Files}")
+
+set(Source_Files "defs.c")
+source_group("Source Files" FILES "${Source_Files}")
+
+add_library("${LIBRARY_NAME}" "${Header_Files}" "${Source_Files}")
+
+if (LINUX)
+    target_compile_definitions("${LIBRARY_NAME}" PUBLIC -DU3_OS_linux=1)
+elseif (APPLE)
+    target_compile_definitions("${LIBRARY_NAME}" PUBLIC -DU3_OS_osx=1)
+elseif (BSD)
+    target_compile_definitions("${LIBRARY_NAME}" PUBLIC -DU3_OS_bsd=1)
+else ()
+    message(FATAL_ERROR "${CMAKE_SYSTEM_NAME} unsupported. Port it!")
+endif ()
+
+if (CMAKE_VERSION VERSION_LESS "3.20")
+    include(TestBigEndian)
+    test_big_endian(CMAKE_C_BYTE_ORDER)
+endif ()
+if (CMAKE_C_BYTE_ORDER EQUAL 1)
+    target_compile_definitions("${LIBRARY_NAME}" PUBLIC -DU3_OS_ENDIAN_big=1)
+else ()
+    target_compile_definitions("${LIBRARY_NAME}" PUBLIC -DU3_OS_ENDIAN_little=1)
+endif ()
+
+include(GNUInstallDirs)
+
+target_link_libraries(
+        "${LIBRARY_NAME}"
+        PRIVATE
+        "${PROJECT_NAME}_compiler_flags"
+)
+
+target_include_directories(
+        "${LIBRARY_NAME}"
+        PUBLIC
+        "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>"
+        "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>"
+)
+
+target_include_directories(
+        "${LIBRARY_NAME}"
+        PUBLIC
+        "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>"
+        "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>"
+)
+
+###########
+# Install #
+###########
+
+set_property(TARGET "${LIBRARY_NAME}" PROPERTY VERSION "${${PROJECT_NAME}_VERSION}")
+set_property(TARGET "${LIBRARY_NAME}" PROPERTY SOVERSION "${${PROJECT_NAME}_VERSION_MAJOR}")
+
+include(GenerateExportHeader)
+set(_export_file "${CMAKE_BINARY_DIR}/include/${PROJECT_NAME}_export.h")
+generate_export_header("${LIBRARY_NAME}" EXPORT_FILE_NAME "${_export_file}")
+
+install(FILES ${Header_Files} "${_export_file}"
+        DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")

pkg/ent/CMakeLists.txt

@@ -0,0 +1,54 @@
+get_filename_component(LIBRARY_NAME "${CMAKE_CURRENT_SOURCE_DIR}" NAME)
+
+set(Header_Files "ent.h")
+source_group("Header Files" FILES "${Header_Files}")
+
+set(Source_Files "ent.c")
+source_group("Source Files" FILES "${Source_Files}")
+
+# TODO: `add_test` for tests.c
+
+add_library("${LIBRARY_NAME}" "${Header_Files}" "${Source_Files}")
+
+if (DEFINED ENT_GETENTROPY_BCRYPTGENRANDOM)
+    target_compile_definitions("${LIBRARY_NAME}" PRIVATE ENT_GETENTROPY_BCRYPTGENRANDOM=1)
+elseif (DEFINED ENT_DEV_URANDOM)
+    target_compile_definitions("${LIBRARY_NAME}" PRIVATE ENT_DEV_URANDOM=1)
+elseif (DEFINED ENT_GETENTROPY_UNISTD)
+    target_compile_definitions("${LIBRARY_NAME}" PRIVATE ENT_GETENTROPY_UNISTD=1)
+elseif (DEFINED ENT_GETENTROPY_SYSRANDOM)
+    target_compile_definitions("${LIBRARY_NAME}" PRIVATE ENT_GETENTROPY_SYSRANDOM=1)
+elseif (DEFINED ENT_GETRANDOM_SYSCALL)
+    target_compile_definitions("${LIBRARY_NAME}" PRIVATE ENT_GETRANDOM_SYSCALL=1)
+else ()
+    message(FATAL_ERROR "One of these must be set: ENT_GETENTROPY_BCRYPTGENRANDOM, ENT_DEV_URANDOM, ENT_GETENTROPY_UNISTD, ENT_GETENTROPY_SYSRANDOM, ENT_GETRANDOM_SYSCALL")
+endif ()
+
+include(GNUInstallDirs)
+
+target_link_libraries(
+        "${LIBRARY_NAME}"
+        PRIVATE
+        "${PROJECT_NAME}_compiler_flags"
+)
+
+target_include_directories(
+        "${LIBRARY_NAME}"
+        PUBLIC
+        "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>"
+        "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>"
+)
+
+###########
+# Install #
+###########
+
+set_property(TARGET "${LIBRARY_NAME}" PROPERTY VERSION "${${PROJECT_NAME}_VERSION}")
+set_property(TARGET "${LIBRARY_NAME}" PROPERTY SOVERSION "${${PROJECT_NAME}_VERSION_MAJOR}")
+
+include(GenerateExportHeader)
+set(_export_file "${CMAKE_BINARY_DIR}/include/${PROJECT_NAME}_export.h")
+generate_export_header("${LIBRARY_NAME}" EXPORT_FILE_NAME "${_export_file}")
+
+install(FILES ${Header_Files} "${_export_file}"
+        DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")