add inofficial cmake support

.gitignore

@@ -7,7 +7,7 @@ Makefile.in
 aclocal*
 autom4te*
 config.h
-config.h.in
+./config.h.in
 config.log
 config.status
 configure

inofficial_cmake/CMakeLists.txt

@@ -0,0 +1,37 @@
+cmake_minimum_required(VERSION 3.25)
+
+file(READ ../VERSION.txt RDFIND_VERSION)
+string(STRIP "${RDFIND_VERSION}" RDFIND_VERSION)
+
+string(REGEX REPLACE "\\.next$" ".999" PROJECT_VERSION ${RDFIND_VERSION})
+project(rdfind VERSION "${PROJECT_VERSION}")
+
+find_package(PkgConfig)
+pkg_check_modules(nettle REQUIRED nettle)
+
+configure_file(config.h.in config.h @ONLY)
+
+add_executable(rdfind
+    ../Checksum.cc
+    ../Checksum.hh
+    ../CmdlineParser.cc
+    ../CmdlineParser.hh
+    ../Dirlist.cc
+    ../Dirlist.hh
+    ../EasyRandom.cc
+    ../EasyRandom.hh
+    ../Fileinfo.cc
+    ../Fileinfo.hh
+    ../rdfind.cc
+    ../RdfindDebug.hh
+    ../Rdutil.cc
+    ../Rdutil.hh
+    ../UndoableUnlink.cc
+    ../UndoableUnlink.hh)
+target_include_directories(rdfind PRIVATE "${CMAKE_CURRENT_BINARY_DIR}")
+target_include_directories(rdfind PRIVATE ..)
+
+target_compile_features(rdfind PRIVATE cxx_std_17)
+target_link_libraries(rdfind nettle)
+target_compile_options(rdfind PRIVATE -Wall -Wextra -Wpedantic)
+

inofficial_cmake/config.h.in

@@ -0,0 +1,4 @@
+#cmakedefine RDFIND_VERSION "@RDFIND_VERSION@"
+#cmakedefine FOO_ENABLE
+#cmakedefine FOO_STRING "@FOO_STRING@"
+#define VERSION "@RDFIND_VERSION@"