add cmake support

.gitignore

@@ -37,3 +37,4 @@ stamp-h?
 /tests/*.log
 /tests/*.trs
 /tests/main
+CMakeLists.txt.user

CMakeLists.txt

@@ -0,0 +1,126 @@
+cmake_minimum_required(VERSION 3.23) # file_set needs at least 3.23
+project(libsigrokdecode LANGUAGES C
+    VERSION 0.6.0
+    HOMEPAGE_URL "http://www.sigrok.org"
+)
+
+set(CMAKE_C_STANDARD 99)
+
+set(PROJECT_BUG_URL "[email protected]")
+set(PROJECT_PACKAGE_STRING "${PROJECT_NAME} ${PROJECT_VERSION}")
+
+set(SR_LIB_VERSION_MAJOR 4)
+set(SR_LIB_VERSION_MINOR 0)
+set(SR_LIB_VERSION_PATCH 0)
+set(CONF_HOST "${CMAKE_SYSTEM_PROCESSOR}-${CMAKE_SYSTEM_NAME}-${CMAKE_SYSTEM_VERSION}")
+
+execute_process(
+        COMMAND git log -1 --format=%h
+        WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
+        OUTPUT_VARIABLE GIT_HASH
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+        )
+
+include(CheckIncludeFile)
+# Check for the existence of the header files
+check_include_file("inttypes.h" HAVE_INTTYPES_H)
+check_include_file("stdint.h" HAVE_STDINT_H)
+check_include_file("stdio.h" HAVE_STDIO_H)
+check_include_file("stdlib.h" HAVE_STDLIB_H)
+check_include_file("strings.h" HAVE_STRINGS_H)
+check_include_file("string.h" HAVE_STRING_H)
+check_include_file("sys/stat.h" HAVE_SYS_STAT_H)
+check_include_file("sys/types.h" HAVE_SYS_TYPES_H)
+check_include_file("unistd.h" HAVE_UNISTD_H)
+check_include_file("dlfcn.h" HAVE_DLFCN_H)
+
+configure_file(cmake/config.h.in config.h)
+configure_file(cmake/version.h.in version.h)
+
+# Source files
+set(LIBSIGROKDECODE_SOURCES
+    srd.c
+    session.c
+    decoder.c
+    instance.c
+    log.c
+    util.c
+    exception.c
+    module_sigrokdecode.c
+    type_decoder.c
+    error.c
+    version.c
+)
+
+# Additional headers
+set(LIBSIGROKDECODE_HEADERS
+    libsigrokdecode-internal.h
+)
+
+# Check for Python
+find_package(Python3 COMPONENTS Interpreter Development REQUIRED)
+
+# Check for glib-2.0
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(GLIB REQUIRED glib-2.0>=2.3.4)
+
+# Check for Check (optional)
+option(ENABLE_TESTS "Build with tests" ON)
+if(ENABLE_TESTS)
+    enable_testing(true) # must be in the root file!
+    add_subdirectory(tests)
+endif()
+
+# Check for IRMP (optional)
+option(WITH_IRMP "Enable IRMP support" ON)
+if(WITH_IRMP)
+    pkg_check_modules(LIBIRMP REQUIRED)
+endif()
+
+# Set compiler flags
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wmissing-prototypes -Wshadow -Wformat=2 -Wno-format-nonliteral -Wfloat-equal")
+if(WITH_IRMP)
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DWITH_IRMP")
+endif()
+
+# Build the library
+add_library(sigrokdecode SHARED ${LIBSIGROKDECODE_SOURCES} ${LIBSIGROKDECODE_HEADERS})
+target_link_libraries(sigrokdecode ${GLIB_LIBRARIES} ${LIBIRMP_LIBRARIES} ${Python3_LIBRARIES})
+target_include_directories(sigrokdecode PRIVATE ${PROJECT_BINARY_DIR} ${GLIB_INCLUDE_DIRS} ${LIBIRMP_INCLUDE_DIRS}) # for config.h
+target_include_directories(sigrokdecode PUBLIC ${Python3_INCLUDE_DIRS}) # TODO: why this must be PUBLIC?
+target_include_directories(sigrokdecode PUBLIC ${PROJECT_SOURCE_DIR})
+target_sources(sigrokdecode PUBLIC
+    FILE_SET HEADERS
+    BASE_DIRS ${PROJECT_BINARY_DIR} ${PROJECT_SOURCE_DIR}
+    TYPE HEADERS
+    FILES ${PROJECT_BINARY_DIR}/version.h libsigrokdecode.h)
+
+# Install rules
+install(TARGETS sigrokdecode DESTINATION lib)
+install(TARGETS sigrokdecode FILE_SET HEADERS)
+
+# Autotools-like configuration summary
+message(STATUS "libsigrokdecode configuration summary:")
+message(STATUS " - Package version................. ${PROJECT_VERSION}")
+message(STATUS " - Library ABI version............. ${SR_LIB_VERSION_MAJOR}:${SR_LIB_VERSION_MINOR}:${SR_LIB_VERSION_PATCH}")
+message(STATUS " - Prefix.......................... ${CMAKE_INSTALL_PREFIX}")
+message(STATUS " - Building as..................... ${CMAKE_BUILD_TYPE}")
+message(STATUS " - Building for.................... ${CONF_HOST}")
+#message(STATUS " - Building shared / static........ ON / OFF")
+
+# Display additional configuration information
+message(STATUS "Compile configuration:")
+message(STATUS " - C compiler...................... ${CMAKE_C_COMPILER}")
+message(STATUS " - C compiler version.............. ${CMAKE_C_COMPILER_VERSION}")
+message(STATUS " - C compiler flags................ ${CMAKE_C_FLAGS}")
+message(STATUS "Detected libraries (required):")
+message(STATUS " - glib-2.0........................ ${GLIB_VERSION}")
+if(WITH_IRMP)
+    message(STATUS " - IRMP support library............ ${LIBIRMP_VERSION}")
+endif()
+
+if(WITH_CHECK)
+    message(STATUS "Optional features:")
+    message(STATUS "  - Check unit testing framework... ENABLED")
+endif()
+

cmake/config.h.in

@@ -0,0 +1,89 @@
+/* config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Define if building universal (internal helper macro) */
+#undef AC_APPLE_UNIVERSAL_BUILD
+
+/* The canonical host libsigrokdecode will run on. */
+#define CONF_HOST "@CONF_HOST@"
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#define HAVE_DLFCN_H @HAVE_DLFCN_H@
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#define HAVE_INTTYPES_H @HAVE_INTTYPES_H@
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#define HAVE_STDINT_H @HAVE_STDINT_H@
+
+/* Define to 1 if you have the <stdio.h> header file. */
+#define HAVE_STDIO_H @HAVE_STDIO_H@
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H @HAVE_STDLIB_H@
+
+/* Define to 1 if you have the <strings.h> header file. */
+#define HAVE_STRINGS_H @HAVE_STRINGS_H@
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H @HAVE_STRING_H@
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H @HAVE_SYS_STAT_H@
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H @HAVE_SYS_TYPES_H@
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H @HAVE_UNISTD_H@
+
+/* Define to the sub-directory where libtool stores uninstalled libraries. */
+#undef LT_OBJDIR
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT "@PROJECT_BUG_URL@"
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME "@PROJECT_NAME@"
+
+/* Define to the full name and version of this package. */
+#define PACKAGE_STRING "@PROJECT_PACKAGE_STRING@"
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME "@PROJECT_NAME@"
+
+/* Define to the home page for this package. */
+#define PACKAGE_URL "@PROJECT_HOMEPAGE_URL@"
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION "@PROJECT_VERSION@"
+
+/* Define to 1 if all of the C90 standard headers exist (not just the ones
+   required in a freestanding environment). This macro is provided for
+   backward compatibility; new code need not use it. */
+#undef STDC_HEADERS
+
+/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most
+   significant byte first (like Motorola and SPARC, unlike Intel). */
+#if defined AC_APPLE_UNIVERSAL_BUILD
+# if defined __BIG_ENDIAN__
+#  define WORDS_BIGENDIAN 1
+# endif
+#else
+# ifndef WORDS_BIGENDIAN
+#  undef WORDS_BIGENDIAN
+# endif
+#endif
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+#undef _FILE_OFFSET_BITS
+
+/* Define for large files, on AIX-style hosts. */
+#undef _LARGE_FILES
+
+/* The targeted POSIX standard. */
+#ifndef _POSIX_C_SOURCE
+# define _POSIX_C_SOURCE 200112L
+#endif
+
+/* Define to empty if `const' does not conform to ANSI C. */
+#undef const

cmake/version.h.in

@@ -0,0 +1,70 @@
+/*
+ * This file is part of the libsigrokdecode project.
+ *
+ * Copyright (C) 2010 Uwe Hermann <[email protected]>
+ * Copyright (C) 2012 Bert Vermeulen <[email protected]>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef LIBSIGROKDECODE_VERSION_H
+#define LIBSIGROKDECODE_VERSION_H
+
+/**
+ * @file
+ *
+ * Version number definitions and macros.
+ */
+
+/**
+ * @ingroup grp_versions
+ *
+ * @{
+ */
+
+/*
+ * Package version macros (can be used for conditional compilation).
+ */
+
+/** The libsigrokdecode package 'major' version number. */
+#define SRD_PACKAGE_VERSION_MAJOR @PROJECT_VERSION_MAJOR@
+
+/** The libsigrokdecode package 'minor' version number. */
+#define SRD_PACKAGE_VERSION_MINOR @PROJECT_VERSION_MINOR@
+
+/** The libsigrokdecode package 'micro' version number. */
+#define SRD_PACKAGE_VERSION_MICRO @PROJECT_VERSION_PATCH@
+
+/** The libsigrokdecode package version ("major.minor.micro") as string. */
+#define SRD_PACKAGE_VERSION_STRING "@PROJECT_VERSION@-git-@GIT_HASH@"
+
+/*
+ * Library/libtool version macros (can be used for conditional compilation).
+ */
+
+/** The libsigrokdecode libtool 'current' version number. */
+#define SRD_LIB_VERSION_CURRENT @SR_LIB_VERSION_MAJOR@
+
+/** The libsigrokdecode libtool 'revision' version number. */
+#define SRD_LIB_VERSION_REVISION @SR_LIB_VERSION_MINOR@
+
+/** The libsigrokdecode libtool 'age' version number. */
+#define SRD_LIB_VERSION_AGE @SR_LIB_VERSION_PATCH@
+
+/** The libsigrokdecode libtool version ("current:revision:age") as string. */
+#define SRD_LIB_VERSION_STRING "@SR_LIB_VERSION_MAJOR@:@SR_LIB_VERSION_MINOR@:@SR_LIB_VERSION_PATCH@"
+
+/** @} */
+
+#endif

tests/CMakeLists.txt

@@ -0,0 +1,18 @@
+find_package(Check REQUIRED)
+
+add_executable(MainTest main.c
+    core.c
+    decoder.c
+    inst.c
+    session.c
+)
+target_link_libraries(MainTest sigrokdecode check)
+target_link_libraries(MainTest ${GLIB_LIBRARIES})
+target_include_directories(MainTest PRIVATE ${GLIB_INCLUDE_DIRS})
+target_include_directories(MainTest PRIVATE ${PROJECT_BINARY_DIR}) # config.h / version.h
+
+target_compile_definitions(MainTest PRIVATE "-DDECODERS_TESTDIR=\"${PROJECT_SOURCE_DIR}/decoders\"")
+
+add_test(NAME MainTest COMMAND MainTest)
+
+