1 files changed, 139 insertions, 0 deletions
diff --git a/cmake/CheckSystemHeaders.cmake b/cmake/CheckSystemHeaders.cmake
new file mode 100644
index 000000000..232814eba
--- /dev/null
+++ b/cmake/CheckSystemHeaders.cmake
@@ -0,0 +1,139 @@
+# CheckSystemHeaders.cmake
+# Checks for the existence of system headers
+
+# Check platform specific includes
+function(CheckSystemHeaders)
+    # Basic system headers
+    check_include_files(sys/types.h HAVE_SYS_TYPES_H)
+    check_include_files(sys/uio.h HAVE_SYS_UIO_H)
+
+    # Standard C headers
+    check_include_files(fcntl.h HAVE_FCNTL_H)
+    check_include_files(math.h HAVE_MATH_H)
+    check_include_files(stdio.h HAVE_STDIO_H)
+    check_include_files(stdlib.h HAVE_STDLIB_H)
+    check_include_files(string.h HAVE_STRING_H)
+    check_include_files(strings.h HAVE_STRINGS_H)
+    check_include_files(time.h HAVE_TIME_H)
+    check_include_files(unistd.h HAVE_UNISTD_H)
+
+    # Data type headers
+    check_include_files(stdint.h HAVE_STDINT_H)
+    check_include_files(inttypes.h HAVE_INTTYPES_H)
+    check_include_files(stdbool.h HAVE_STDBOOL_H)
+
+    # Endian-related headers
+    check_include_files(endian.h HAVE_ENDIAN_H)
+    check_include_files(sys/endian.h HAVE_SYS_ENDIAN_H)
+    check_include_files(machine/endian.h HAVE_MACHINE_ENDIAN_H)
+
+    # System utility headers
+    check_include_files(sys/socket.h HAVE_SYS_SOCKET_H)
+    check_include_files(sys/mman.h HAVE_SYS_MMAN_H)
+    check_include_files(sys/un.h HAVE_SYS_UN_H)
+    check_include_files(sys/stat.h HAVE_SYS_STAT_H)
+    check_include_files(sys/wait.h HAVE_SYS_WAIT_H)
+    check_include_files(sys/param.h HAVE_SYS_PARAM_H)
+    check_include_files(sys/file.h HAVE_SYS_FILE_H)
+    check_include_files(sys/resource.h HAVE_SYS_RESOURCE_H)
+
+    # Network-related headers
+    check_include_files(netinet/in.h HAVE_NETINET_IN_H)
+    check_include_files(netinet/tcp.h HAVE_NETINET_TCP_H)
+    check_include_files(arpa/inet.h HAVE_ARPA_INET_H)
+    check_include_files(netdb.h HAVE_NETDB_H)
+
+    # System logging and signal handling
+    check_include_files(syslog.h HAVE_SYSLOG_H)
+    check_include_files(siginfo.h HAVE_SIGINFO_H)
+
+    # Internationalization and user/groups
+    check_include_files(locale.h HAVE_LOCALE_H)
+    check_include_files(libgen.h HAVE_LIBGEN_H)
+    check_include_files(pwd.h HAVE_PWD_H)
+    check_include_files(grp.h HAVE_GRP_H)
+
+    # File and path handling
+    check_include_files(glob.h HAVE_GLOB_H)
+    check_include_files(poll.h HAVE_POLL_H)
+    check_include_files(readpassphrase.h HAVE_READPASSPHRASE_H)
+    check_include_files(termios.h HAVE_TERMIOS_H)
+    check_include_files(paths.h HAVE_PATHS_H)
+
+    # Other utilities
+    check_include_files(ctype.h HAVE_CTYPE_H)
+    check_include_files(cpuid.h HAVE_CPUID_H)
+    check_include_files(dirent.h HAVE_DIRENT_H)
+
+    # Context-related headers
+    check_include_files(ucontext.h HAVE_UCONTEXT_H)
+    check_include_files(sys/ucontext.h HAVE_SYS_UCONTEXT_H) # OSX specific
+
+    # Time and memory
+    check_include_files(sys/timeb.h HAVE_SYS_TIMEB_H)
+
+    # Log the results for important headers
+    if (NOT HAVE_SYS_TYPES_H)
+        message(WARNING "sys/types.h not found - this may cause problems")
+    endif ()
+
+    if (NOT HAVE_SYS_SOCKET_H)
+        message(WARNING "sys/socket.h not found - networking functionality may be limited")
+    endif ()
+
+    # Return results to parent scope
+    foreach (var
+            HAVE_SYS_TYPES_H
+            HAVE_SYS_UIO_H
+            HAVE_FCNTL_H
+            HAVE_MATH_H
+            HAVE_STDIO_H
+            HAVE_STDLIB_H
+            HAVE_STRING_H
+            HAVE_STRINGS_H
+            HAVE_TIME_H
+            HAVE_UNISTD_H
+            HAVE_STDINT_H
+            HAVE_INTTYPES_H
+            HAVE_STDBOOL_H
+            HAVE_ENDIAN_H
+            HAVE_SYS_ENDIAN_H
+            HAVE_MACHINE_ENDIAN_H
+            HAVE_SYS_SOCKET_H
+            HAVE_SYS_MMAN_H
+            HAVE_SYS_UN_H
+            HAVE_SYS_STAT_H
+            HAVE_SYS_WAIT_H
+            HAVE_SYS_PARAM_H
+            HAVE_SYS_FILE_H
+            HAVE_SYS_RESOURCE_H
+            HAVE_NETINET_IN_H
+            HAVE_NETINET_TCP_H
+            HAVE_ARPA_INET_H
+            HAVE_NETDB_H
+            HAVE_SYSLOG_H
+            HAVE_SIGINFO_H
+            HAVE_LOCALE_H
+            HAVE_LIBGEN_H
+            HAVE_PWD_H
+            HAVE_GRP_H
+            HAVE_GLOB_H
+            HAVE_POLL_H
+            HAVE_READPASSPHRASE_H
+            HAVE_TERMIOS_H
+            HAVE_PATHS_H
+            HAVE_CTYPE_H
+            HAVE_UNISTD_H
+            HAVE_CPUID_H
+            HAVE_DIRENT_H
+            HAVE_UCONTEXT_H
+            HAVE_SYS_UCONTEXT_H
+            HAVE_SYS_TIMEB_H)
+        if (${var})
+            set(${var} ${${var}} PARENT_SCOPE)
+        endif ()
+    endforeach ()
+endfunction()
+
+# Execute the function
+CheckSystemHeaders()