build: remove HAVE_LIMITS_H check

.. because limits.h presence isn't optional, it's required by C89. Ref: http://port70.net/~nsz/c/c89/c89-draft.html#2.2.4.2 Closes https://github.com/curl/curl/pull/2215
2024-12-21 07:38:49 -05:00 · 2018-01-03 14:40:52 -05:00 · 2018-01-03 14:40:52 -05:00 · 908a9a6742
commit 908a9a6742
parent 129390a518
29 changed files with 2 additions and 62 deletions
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@ -737,7 +737,6 @@ check_include_file_concat("ifaddrs.h"        HAVE_IFADDRS_H)
 check_include_file_concat("io.h"             HAVE_IO_H)
 check_include_file_concat("krb.h"            HAVE_KRB_H)
 check_include_file_concat("libgen.h"         HAVE_LIBGEN_H)
-check_include_file_concat("limits.h"         HAVE_LIMITS_H)
 check_include_file_concat("locale.h"         HAVE_LOCALE_H)
 check_include_file_concat("net/if.h"         HAVE_NET_IF_H)
 check_include_file_concat("netdb.h"          HAVE_NETDB_H)
--- a/configure.ac
+++ b/configure.ac
@ -3359,7 +3359,6 @@ AC_CHECK_HEADERS(
        assert.h \
        unistd.h \
        stdlib.h \
-        limits.h \
        arpa/inet.h \
        net/if.h \
        netinet/in.h \
--- a/lib/Makefile.netware
+++ b/lib/Makefile.netware
@ -589,7 +589,6 @@ endif
 	@echo $(DL)#define HAVE_INET_ADDR 1$(DL) >> $@
 	@echo $(DL)#define HAVE_IOCTL 1$(DL) >> $@
 	@echo $(DL)#define HAVE_IOCTL_FIONBIO 1$(DL) >> $@
-	@echo $(DL)#define HAVE_LIMITS_H 1$(DL) >> $@
 	@echo $(DL)#define HAVE_LL 1$(DL) >> $@
 	@echo $(DL)#define HAVE_LOCALE_H 1$(DL) >> $@
 	@echo $(DL)#define HAVE_LOCALTIME_R 1$(DL) >> $@
--- a/lib/asyn-ares.c
+++ b/lib/asyn-ares.c
@ -30,9 +30,7 @@

 #ifdef CURLRES_ARES

-#ifdef HAVE_LIMITS_H
 #include <limits.h>
-#endif
 #ifdef HAVE_NETINET_IN_H
 #include <netinet/in.h>
 #endif
--- a/lib/config-dos.h
+++ b/lib/config-dos.h
@ -53,7 +53,6 @@
 #define HAVE_IOCTL_FIONBIO     1
 #define HAVE_IOCTLSOCKET       1
 #define HAVE_IOCTLSOCKET_FIONBIO   1
-#define HAVE_LIMITS_H          1
 #define HAVE_LOCALE_H          1
 #define HAVE_LONGLONG          1
 #define HAVE_MEMORY_H          1
--- a/lib/config-symbian.h
+++ b/lib/config-symbian.h
@ -318,9 +318,6 @@
 /* Define to 1 if you have the `ssl' library (-lssl). */
 /*#define HAVE_LIBSSL 1*/

-/* Define to 1 if you have the <limits.h> header file. */
-#define HAVE_LIMITS_H 1
-
 /* if your compiler supports LL */
 #define HAVE_LL 1

--- a/lib/config-tpf.h
+++ b/lib/config-tpf.h
@ -284,9 +284,6 @@
 /* if zlib is available */
 /* #undef HAVE_LIBZ */

-/* Define to 1 if you have the <limits.h> header file. */
-#define HAVE_LIMITS_H 1
-
 /* if your compiler supports LL */
 #define HAVE_LL 1

--- a/lib/config-vxworks.h
+++ b/lib/config-vxworks.h
@ -384,9 +384,6 @@
 /* if zlib is available */
 #define HAVE_LIBZ 1

-/* Define to 1 if you have the <limits.h> header file. */
-#define HAVE_LIMITS_H 1
-
 /* if your compiler supports LL */
 #define HAVE_LL 1

--- a/lib/config-win32.h
+++ b/lib/config-win32.h
@ -61,9 +61,6 @@
 /* Define if you have the <io.h> header file. */
 #define HAVE_IO_H 1

-/* Define if you have the <limits.h> header file. */
-#define HAVE_LIMITS_H 1
-
 /* Define if you have the <locale.h> header file. */
 #define HAVE_LOCALE_H 1

--- a/lib/config-win32ce.h
+++ b/lib/config-win32ce.h
@ -54,9 +54,6 @@
 /* Define if you have the <io.h> header file.  */
 #define HAVE_IO_H 1

-/* Define if you have the <limits.h> header file.  */
-#define HAVE_LIMITS_H 1
-
 /* Define if you need the malloc.h header header file even with stdlib.h  */
 #define NEED_MALLOC_H 1

--- a/lib/curl_config.h.cmake
+++ b/lib/curl_config.h.cmake
@ -398,9 +398,6 @@
 /* if zlib is available */
 #cmakedefine HAVE_LIBZ 1

-/* Define to 1 if you have the <limits.h> header file. */
-#cmakedefine HAVE_LIMITS_H 1
-
 /* if your compiler supports LL */
 #cmakedefine HAVE_LL 1

--- a/lib/parsedate.c
+++ b/lib/parsedate.c
@ -75,9 +75,7 @@

 #include "curl_setup.h"

-#ifdef HAVE_LIMITS_H
 #include <limits.h>
-#endif

 #include <curl/curl.h>
 #include "strcase.h"
--- a/lib/security.c
+++ b/lib/security.c
@ -50,9 +50,7 @@
 #include <netdb.h>
 #endif

-#ifdef HAVE_LIMITS_H
 #include <limits.h>
-#endif

 #include "urldata.h"
 #include "curl_base64.h"
--- a/lib/setopt.c
+++ b/lib/setopt.c
@ -22,9 +22,7 @@

 #include "curl_setup.h"

-#ifdef HAVE_LIMITS_H
 #include <limits.h>
-#endif

 #ifdef HAVE_NETINET_IN_H
 #include <netinet/in.h>
--- a/lib/ssh-libssh.c
+++ b/lib/ssh-libssh.c
@ -27,9 +27,7 @@

 #ifdef USE_LIBSSH

-#ifdef HAVE_LIMITS_H
 #include <limits.h>
-#endif

 #include <libssh/libssh.h>
 #include <libssh/sftp.h>
--- a/lib/ssh.c
+++ b/lib/ssh.c
@ -26,9 +26,7 @@

 #ifdef USE_LIBSSH2

-#ifdef HAVE_LIMITS_H
-#  include <limits.h>
-#endif
+#include <limits.h>

 #include <libssh2.h>
 #include <libssh2_sftp.h>
--- a/lib/url.c
+++ b/lib/url.c
@ -55,9 +55,7 @@
 #error "We can't compile without socket() support!"
 #endif

-#ifdef HAVE_LIMITS_H
 #include <limits.h>
-#endif

 #ifdef USE_LIBIDN2
 #include <idn2.h>
--- a/lib/vtls/cyassl.c
+++ b/lib/vtls/cyassl.c
@ -76,9 +76,7 @@ and that's a problem since options.h hasn't been included yet. */
 #endif
 #endif

-#ifdef HAVE_LIMITS_H
 #include <limits.h>
-#endif

 #include "urldata.h"
 #include "sendf.h"
--- a/lib/vtls/darwinssl.c
+++ b/lib/vtls/darwinssl.c
@ -39,9 +39,7 @@
 #pragma clang diagnostic ignored "-Wtautological-pointer-compare"
 #endif /* __clang__ */

-#ifdef HAVE_LIMITS_H
 #include <limits.h>
-#endif

 #include <Security/Security.h>
 /* For some reason, when building for iOS, the omnibus header above does
--- a/lib/vtls/gskit.c
+++ b/lib/vtls/gskit.c
@ -61,9 +61,7 @@
 #endif


-#ifdef HAVE_LIMITS_H
-#  include <limits.h>
-#endif
+#include <limits.h>

 #include <curl/curl.h>
 #include "urldata.h"
--- a/lib/vtls/openssl.c
+++ b/lib/vtls/openssl.c
@ -34,9 +34,7 @@

 #ifdef USE_OPENSSL

-#ifdef HAVE_LIMITS_H
 #include <limits.h>
-#endif

 #include "urldata.h"
 #include "sendf.h"
--- a/tests/libtest/lib1502.c
+++ b/tests/libtest/lib1502.c
@ -29,9 +29,7 @@

 #include "test.h"

-#ifdef HAVE_LIMITS_H
 #include <limits.h>
-#endif

 #include "testutil.h"
 #include "warnless.h"
--- a/tests/libtest/lib518.c
+++ b/tests/libtest/lib518.c
@ -27,9 +27,7 @@
 #ifdef HAVE_FCNTL_H
 #include <fcntl.h>
 #endif
-#ifdef HAVE_LIMITS_H
 #include <limits.h>
-#endif

 #include "warnless.h"
 #include "memdebug.h"
--- a/tests/libtest/lib537.c
+++ b/tests/libtest/lib537.c
@ -27,9 +27,7 @@
 #ifdef HAVE_FCNTL_H
 #include <fcntl.h>
 #endif
-#ifdef HAVE_LIMITS_H
 #include <limits.h>
-#endif

 #include "warnless.h"
 #include "memdebug.h"
--- a/tests/libtest/lib540.c
+++ b/tests/libtest/lib540.c
@ -30,9 +30,7 @@

 #include "test.h"

-#ifdef HAVE_LIMITS_H
 #include <limits.h>
-#endif

 #include "testutil.h"
 #include "warnless.h"
--- a/tests/libtest/lib557.c
+++ b/tests/libtest/lib557.c
@ -27,9 +27,7 @@

 #include "test.h"

-#ifdef HAVE_LIMITS_H
 #include <limits.h>
-#endif

 #ifdef HAVE_LOCALE_H
 #  include <locale.h> /* for setlocale() */
--- a/tests/libtest/lib591.c
+++ b/tests/libtest/lib591.c
@ -23,9 +23,7 @@

 /* lib591 is used for test cases 591, 592, 593 and 594 */

-#ifdef HAVE_LIMITS_H
 #include <limits.h>
-#endif

 #include <fcntl.h>

--- a/tests/libtest/lib597.c
+++ b/tests/libtest/lib597.c
@ -21,9 +21,7 @@
 ***************************************************************************/
 #include "test.h"

-#ifdef HAVE_LIMITS_H
 #include <limits.h>
-#endif

 #include "testutil.h"
 #include "warnless.h"
--- a/tests/libtest/libntlmconnect.c
+++ b/tests/libtest/libntlmconnect.c
@ -21,9 +21,7 @@
 ***************************************************************************/
 #include "test.h"

-#ifdef HAVE_LIMITS_H
 #include <limits.h>
-#endif
 #include <assert.h>

 #include "testutil.h"