Don't check for standard C89 headers

Don't check for

- ctype.h
- errno.h
- float.h
- limits.h
- math.h
- signal.h
- stdarg.h
- stdlib.h
- string.h
- time.h

Stop including non-standard headers

- malloc.h
- strings.h

1 files changed, 0 insertions, 12 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f922d5ab..7987ecbb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -160,13 +160,10 @@ else()
 		set(ss_family __ss_family)
 	endif()
 	check_function_exists(class HAVE_CLASS)
-	check_include_files(ctype.h HAVE_CTYPE_H)
 	check_include_files(dlfcn.h HAVE_DLFCN_H)
 	check_library_exists(dl dlopen "" HAVE_DLOPEN)
 	check_include_files(dl.h HAVE_DL_H)
-	check_include_files(errno.h HAVE_ERRNO_H)
 	check_include_files(fcntl.h HAVE_FCNTL_H)
-	check_include_files(float.h HAVE_FLOAT_H)
 	check_function_exists(fpclass HAVE_FPCLASS)
 	check_function_exists(fprintf HAVE_FPRINTF)
 	check_function_exists(ftime HAVE_FTIME)
@@ -176,10 +173,7 @@ else()
 	check_function_exists(isascii HAVE_ISASCII)
 	check_library_exists(history append_history "" HAVE_LIBHISTORY)
 	check_library_exists(readline readline "" HAVE_LIBREADLINE)
-	check_include_files(limits.h HAVE_LIMITS_H)
 	check_function_exists(localtime HAVE_LOCALTIME)
-	check_include_files(malloc.h HAVE_MALLOC_H)
-	check_include_files(math.h HAVE_MATH_H)
 	check_function_exists(mmap HAVE_MMAP)
 	check_function_exists(munmap HAVE_MUNMAP)
 	check_include_files(netdb.h HAVE_NETDB_H)
@@ -192,18 +186,13 @@ else()
 	check_function_exists(rand_r HAVE_RAND_R)
 	check_include_files(resolv.h HAVE_RESOLV_H)
 	check_library_exists(dld shl_load "" HAVE_SHLLOAD)
-	check_include_files(signal.h HAVE_SIGNAL_H)
 	check_function_exists(snprintf HAVE_SNPRINTF)
 	check_function_exists(sprintf HAVE_SPRINTF)
 	check_function_exists(srand HAVE_SRAND)
 	check_function_exists(sscanf HAVE_SSCANF)
 	check_function_exists(stat HAVE_STAT)
-	check_include_files(stdarg.h HAVE_STDARG_H)
 	check_include_files(stdint.h HAVE_STDINT_H)
-	check_include_files(stdlib.h HAVE_STDLIB_H)
 	check_function_exists(strftime HAVE_STRFTIME)
-	check_include_files(strings.h HAVE_STRINGS_H)
-	check_include_files(string.h HAVE_STRING_H)
 	check_include_files(sys/mman.h HAVE_SYS_MMAN_H)
 	check_include_files(sys/select.h HAVE_SYS_SELECT_H)
 	check_include_files(sys/socket.h HAVE_SYS_SOCKET_H)
@@ -212,7 +201,6 @@ else()
 	check_include_files(sys/time.h HAVE_SYS_TIME_H)
 	check_include_files(sys/types.h HAVE_SYS_TYPES_H)
 	check_function_exists(time HAVE_TIME)
-	check_include_files(time.h HAVE_TIME_H)
 	check_include_files(unistd.h HAVE_UNISTD_H)
 	check_function_exists(va_copy HAVE_VA_COPY)
 	check_function_exists(vfprintf HAVE_VFPRINTF)