First draft of cmake port

CMakeLists.txt

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+CMAKE_MINIMUM_REQUIRED(VERSION 3.5.1)
+PROJECT(pkgconf C)
+
+SET(PACKAGE_BUGREPORT http://github.com/pkgconf/pkgconf/issues)
+SET(PACKAGE_NAME pkgconf)
+SET(PACKAGE_VERSION 1.3.7)
+
+# Expand config.h
+INCLUDE (CheckIncludeFiles)
+CHECK_INCLUDE_FILES(sys/stat.h HAVE_SYS_STAT_H)
+INCLUDE (CheckFunctionExists)
+CHECK_FUNCTION_EXISTS(strlcpy HAVE_STRLCPY)
+CHECK_FUNCTION_EXISTS(strlcat HAVE_STRLCAT)
+CHECK_FUNCTION_EXISTS(strndup HAVE_STRNDUP)
+CHECK_FUNCTION_EXISTS(cygwin_conv_path HAVE_CYGWIN_CONV_PATH)
+SET(abs_top_srcdir ${pkgconf_SOURCE_DIR})
+CONFIGURE_FILE(libpkgconf/config.h.cmake.in libpkgconf/config.h @ONLY)
+# Expand others
+FOREACH(file Kyuafile libpkgconf.pc tests/Kyuafile tests/test_env.sh)
+   CONFIGURE_FILE(${file}.in ${file} @ONLY)
+ENDFOREACH()
+
+IF (WIN32)
+  SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /Wx")
+ELSE()
+  SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wformat=2 -std=gnu99")
+ENDIF()
+
+INCLUDE_DIRECTORIES(${pkgconf_SOURCE_DIR} ${pkgconf_BINARY_DIR})
+ADD_DEFINITIONS(-DPKG_DEFAULT_PATH=\"$(pkg_default_dir)\")
+ADD_DEFINITIONS(-DSYSTEM_INCLUDEDIR=\"$(system_includedir)\")
+ADD_DEFINITIONS(-DSYSTEM_LIBDIR=\"$(system_libdir)\")
+
+ADD_SUBDIRECTORY(libpkgconf)
+
+INCLUDE_DIRECTORIES(${libpkgconf_BINARY_DIR})
+ADD_EXECUTABLE(pkgconf main.c getopt_long.c)
+TARGET_LINK_LIBRARIES(pkgconf libpkgconf)
+
+ENABLE_TESTING()
+
+SET(test_scripts
+    tests/basic
+    tests/builtins
+    tests/conflicts
+    tests/framework
+    tests/parser
+    tests/provides
+    tests/regress
+    tests/requires
+    tests/sysroot
+    tests/version
+   )
+# No accounting for taste
+FOREACH(file ${test_scripts})
+   CONFIGURE_FILE(${file}.sh ${file} @ONLY)
+ENDFOREACH()
+
+ADD_TEST(kyua
+    kyua --config=none test --kyuafile=${pkgconf_BINARY_DIR}/Kyuafile --build-root=${pkgconf_BINARY_DIR}
+    )

libpkgconf/CMakeLists.txt

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+PROJECT(libpkgconf C)
+
+ADD_LIBRARY(libpkgconf
+    argvsplit.c
+    audit.c
+    bsdstubs.c
+    cache.c
+    client.c
+    dependency.c
+    fileio.c
+    fragment.c
+    path.c
+    pkg.c
+    queue.c
+    tuple.c
+)

libpkgconf/config.h.cmake.in

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+#cmakedefine HAVE_CYGWIN_CONV_PATH
+#cmakedefine HAVE_STRLCAT
+#cmakedefine HAVE_STRLCPY
+#cmakedefine HAVE_STRNDUP
+#cmakedefine HAVE_SYS_STAT_H
+#cmakedefine PACKAGE_BUGREPORT "@PACKAGE_BUGREPORT@"
+#cmakedefine PACKAGE_NAME "@PACKAGE_NAME@"
+#cmakedefine PACKAGE_VERSION "@PACKAGE_VERSION@"