Detect the presence of the sys/io.h header and the ioperm function

instead of listing a long list of architectures.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>

config.h.cmake

@@ -25,6 +25,12 @@
 // Defined to 1 if you have <linux/videodev2.h> header file.
 #cmakedefine HAVE_LINUX_VIDEODEV2_H 1
 
+// Defined to 1 if you have <sys/io.h> header file.
+#cmakedefine HAVE_SYS_IO_H 1
+
+// Defined to 1 if <sys/io.h> defines ioperm function.
+#cmakedefine HAVE_IOPERM 1
+
 // Defined to 1 if you have <stdint.h> header file
 #cmakedefine HAVE_STDINT_H 1
 

kstars/ConfigureChecks.cmake

@@ -48,6 +48,11 @@ if( WITH_V4L )
       tde_message_fatal( "video4linux support is requested, but videodev2.h or videodev.h was not found on your system" )
     endif( )
   endif( )
+
+  check_include_file( "sys/io.h" HAVE_SYS_IO_H )
+  if( HAVE_SYS_IO_H )
+    check_symbol_exists( "ioperm" "sys/io.h" HAVE_IOPERM )
+  endif( )
 endif( )
 
 

kstars/configure.in.in

@@ -111,6 +111,9 @@ case "$target" in
 
 if test x$have_v4l2 = xtrue; then
   AC_DEFINE(HAVE_LINUX_VIDEODEV2_H, 1, [Define to 1 if you have the <linux/videodev2.h> header file.])
+  KDE_CHECK_HEADERS([sys/io.h],
+    [AC_DEFINE(HAVE_IOPERM, 1, [Defined to 1 if <sys/io.h> defines ioperm function.])]
+  )
 fi
 
 AM_CONDITIONAL(BSD, test x$OSDIR = xbsd)

kstars/kstars/indi/webcam/port.cpp

@@ -27,7 +27,7 @@
 //                  Henrich <henrich@msu.edu>
 
 
-//#include "config.h"
+#include "config.h"
 
 #include <stdio.h>
 #include <errno.h>
@@ -38,11 +38,11 @@
 #endif /* LOCKING */
 
 #ifdef __linux__
-  #if defined(arm) || defined(__aarch64__) || defined(__hppa__) || defined(__sparc__) || defined(__ppc__) || defined(__powerpc__) || defined(__s390__) || defined(__s390x__) || defined(__mips__) || defined(__mc68000__)
+  #if !defined(HAVE_IOPERM)
   #include <fcntl.h>
   #else
   #include <sys/io.h>
-  #endif /* arm */
+  #endif /* !HAVE_IOPERM */
 #elif defined(QNX)
 #include <conio.h>
 #elif defined(__FreeBSD__)
@@ -75,7 +75,7 @@ port_t::port_t(int iport) {
 #endif /* LOCKING */
 
 #ifdef LINUX
-#if defined(arm) || defined(__aarch64__) || defined(__hppa__) || defined(__sparc__) || defined(__ppc__) || defined(__powerpc__) || defined(__s390__) || defined(__s390x__) || defined(__mips__) || defined(__mc68000__)
+#if !defined(HAVE_IOPERM)
   if ((devport = open("/dev/port", O_RDWR)) < 0) {
     perror("open /dev/port");
     return;
@@ -85,7 +85,7 @@ port_t::port_t(int iport) {
     perror("ioperm()");
     return;
   }
-#endif /* arm */
+#endif /* !HAVE_IOPERM */
 #elif defined(FREEBSD)
   if ((devio = fopen("/dev/io", "r+")) == NULL) {
     perror("fopen /dev/io");
@@ -119,7 +119,7 @@ port_t::~port_t(void) {
   unlock(port);
 #endif /* LOCKING */
 #ifdef LINUX
-#if defined(arm) || defined(__aarch64__) || defined(__hppa__) || defined(__sparc__) || defined(__ppc__) || defined(__powerpc__) || defined(__s390__) || defined(__s390x__) || defined(__mips__) || defined(__mc68000__)
+#if !defined(HAVE_IOPERM)
   if (devport >= 0)
     close(devport);
 #else
@@ -127,7 +127,7 @@ port_t::~port_t(void) {
     if (ioperm(port, 3, 0) != 0)  // drop port permissions -- still must
                                   // be root
       perror("ioperm()");
-#endif /* arm */
+#endif /* !HAVE_IOPERM */
 #elif defined(FREEBSD)
   if (devio != NULL)
     fclose(devio);

kstars/kstars/indi/webcam/port.h

@@ -30,14 +30,14 @@
 #ifndef PORT_H
 #define PORT_H
 
-//#include "config.h"
+#include "config.h"
 
 #include <unistd.h>
 
 #ifdef __linux__
-  #if !defined(arm) && !defined(__aarch64__) && !defined(__hppa__) && !defined(__sparc__) && !defined(__ppc__) && !defined(__powerpc__) && !defined(__s390__) && !defined(__s390x__) && !defined(__mips__) && !defined(__mc68000__)
+  #if defined(HAVE_IOPERM)
   #include <sys/io.h>
-  #endif /* !arm */
+  #endif /* HAVE_IOPERM */
 #elif defined(QNX)
 #include <conio.h>
 #elif defined(__FreeBSD__)
@@ -55,7 +55,7 @@
 #error Please define a platform in the Makefile
 #endif
 
-#if defined(arm) || defined(__aarch64__) || defined(__hppa__) || defined(__sparc__) || defined(__ppc__) || defined(__powerpc__) || defined(__s390__) || defined(__s390x__) || defined(__mips__) || defined(__mc68000__)
+#if defined(__linux__) && !defined(HAVE_IOPERM)
 static char ports_temp;
 
 #ifdef inb
@@ -74,7 +74,7 @@ static char ports_temp;
   ports_temp = data; \
   write(devport, &ports_temp, 1);
 
-#endif /* arm, hppa */
+#endif
 
 class port_t {
 public:
@@ -114,7 +114,7 @@ private:
 #ifdef FREEBSD
   FILE *devio;
 #endif
-#if defined(__linux__) && (defined(arm) || defined(__aarch64__) || defined(__hppa__) || defined(__sparc__) || defined(__ppc__) || defined(__powerpc__) || defined(__s390__) || defined(__s390x__) || defined(__mips__) || defined(__mc68000__))
+#if defined(__linux__) && !defined(HAVE_IOPERM)
   int devport;
 #endif
 };