Remove support for Irix, which is discontinued and does not provide a c++17 complaint compilerdrop/irix-support

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>

7 files changed, 12 insertions, 239 deletions

diff --git a/src/3rdparty/libmng/acinclude.m4 b/src/3rdparty/libmng/acinclude.m4
index f3cb3c95c..c2baeb453 100644
--- a/src/3rdparty/libmng/acinclude.m4
+++ b/src/3rdparty/libmng/acinclude.m4
@@ -43,8 +43,8 @@ AC_DEFUN(AC_SYS_LARGEFILE,
        ac_cv_sys_largefile_CC,
        [ac_cv_sys_largefile_CC=no
         if test "$GCC" != yes; then
-	  # IRIX 6.2 and later do not support large files by default,
-	  # so use the C compiler's -n32 option if that helps.
+	  # If the OS does not support large files by default,
+	  # use the C compiler's -n32 option if that helps.
 	  AC_TRY_COMPILE(AC_SYS_LARGEFILE_TEST_INCLUDES, , ,
 	    [ac_save_CC="$CC"
 	     CC="$CC -n32"
diff --git a/src/3rdparty/libmng/aclocal.m4 b/src/3rdparty/libmng/aclocal.m4
index a0f9e41af..552f9a883 100644
--- a/src/3rdparty/libmng/aclocal.m4
+++ b/src/3rdparty/libmng/aclocal.m4
@@ -55,8 +55,8 @@ AC_DEFUN(AC_SYS_LARGEFILE,
        ac_cv_sys_largefile_CC,
        [ac_cv_sys_largefile_CC=no
         if test "$GCC" != yes; then
-	  # IRIX 6.2 and later do not support large files by default,
-	  # so use the C compiler's -n32 option if that helps.
+	  # If the OS does not support large files by default,
+	  # use the C compiler's -n32 option if that helps.
 	  AC_TRY_COMPILE(AC_SYS_LARGEFILE_TEST_INCLUDES, , ,
 	    [ac_save_CC="$CC"
 	     CC="$CC -n32"
@@ -369,25 +369,6 @@ test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes
 # Some flags need to be propagated to the compiler or linker for good
 # libtool support.
 case $host in
-*-*-irix6*)
-  # Find out which ABI we are using.
-  echo '[#]line __oline__ "configure"' > conftest.$ac_ext
-  if AC_TRY_EVAL(ac_compile); then
-    case `/usr/bin/file conftest.$ac_objext` in
-    *32-bit*)
-      LD="${LD-ld} -32"
-      ;;
-    *N32*)
-      LD="${LD-ld} -n32"
-      ;;
-    *64-bit*)
-      LD="${LD-ld} -64"
-      ;;
-    esac
-  fi
-  rm -rf conftest*
-  ;;
-
 ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
 [*-*-cygwin* | *-*-mingw* | *-*-pw32*)
   AC_CHECK_TOOL(DLLTOOL, dlltool, false)
@@ -487,9 +468,6 @@ aix*)
 cygwin* | mingw* | pw32*)
   symcode='[[ABCDGISTW]]'
   ;;
-irix*)
-  symcode='[[BCDEGRST]]'
-  ;;
 solaris* | sysv5*)
   symcode='[[BDT]]'
   ;;
@@ -1126,8 +1104,8 @@ AC_CACHE_VAL(lt_cv_prog_cc_pic,
       # like `-m68040'.
       lt_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4'
       ;;
-    beos* | irix5* | irix6*)
-      # PIC is the default for these OSes.
+    beos*)
+      # PIC is the default for this OS
       ;;
     darwin* | rhapsody*)
       # PIC is the default on this platform
@@ -1162,12 +1140,6 @@ AC_CACHE_VAL(lt_cv_prog_cc_pic,
       fi
       ;;
 
-    irix5* | irix6*)
-      lt_cv_prog_cc_wl='-Wl,'
-      lt_cv_prog_cc_static='-non_shared'
-      # PIC (with -KPIC) is the default.
-      ;;
-
     cygwin* | mingw* | pw32* | os2*)
       # This hack is so that the source file can tell whether it is being
       # built for inclusion in a dll (and should export symbols for example).
@@ -1831,17 +1803,6 @@ else
     hardcode_shlibpath_var=no
     ;;
 
-  irix5* | irix6*)
-    if test "$GCC" = yes; then
-      archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
-    else
-      archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
-    fi
-    hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
-    hardcode_libdir_separator=:
-    link_all_deplibs=yes
-    ;;
-
   netbsd*)
     if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
       archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
@@ -2244,31 +2205,6 @@ gnu*)
   hardcode_into_libs=yes
   ;;
 
-irix5* | irix6*)
-  version_type=irix
-  need_lib_prefix=no
-  need_version=no
-  soname_spec='${libname}${release}.so$major'
-  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major ${libname}${release}.so $libname.so'
-  case $host_os in
-  irix5*)
-    libsuff= shlibsuff=
-    ;;
-  *)
-    case $LD in # libtool.m4 will add one of these switches to LD
-    *-32|*"-32 ") libsuff= shlibsuff= libmagic=32-bit;;
-    *-n32|*"-n32 ") libsuff=32 shlibsuff=N32 libmagic=N32;;
-    *-64|*"-64 ") libsuff=64 shlibsuff=64 libmagic=64-bit;;
-    *) libsuff= shlibsuff= libmagic=never-match;;
-    esac
-    ;;
-  esac
-  shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
-  shlibpath_overrides_runpath=no
-  sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
-  sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
-  ;;
-
 # No shared lib support for Linux oldld, aout, or coff.
 linux-gnuoldld* | linux-gnuaout* | linux-gnucoff*)
   dynamic_linker=no
@@ -3419,27 +3355,6 @@ gnu*)
   lt_cv_deplibs_check_method=pass_all
   ;;
 
-irix5* | irix6*)
-  case $host_os in
-  irix5*)
-    # this will be overridden with pass_all, but let us keep it just in case
-    lt_cv_deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1"
-    ;;
-  *)
-    case $LD in
-    *-32|*"-32 ") libmagic=32-bit;;
-    *-n32|*"-n32 ") libmagic=N32;;
-    *-64|*"-64 ") libmagic=64-bit;;
-    *) libmagic=never-match;;
-    esac
-    # this will be overridden with pass_all, but let us keep it just in case
-    lt_cv_deplibs_check_method="file_magic ELF ${libmagic} MSB mips-[[1234]] dynamic lib MIPS - version 1"
-    ;;
-  esac
-  lt_cv_file_magic_test_file=`echo /lib${libsuff}/libc.so*`
-  lt_cv_deplibs_check_method=pass_all
-  ;;
-
 # This must be Linux ELF.
 linux-gnu*)
   case $host_cpu in
diff --git a/src/3rdparty/libmng/config.guess b/src/3rdparty/libmng/config.guess
index 1c66e983f..d23eba0a7 100755
--- a/src/3rdparty/libmng/config.guess
+++ b/src/3rdparty/libmng/config.guess
@@ -196,9 +196,6 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
     pmax:OpenBSD:*:*)
 	echo mipsel-unknown-openbsd${UNAME_RELEASE}
 	exit 0 ;;
-    sgi:OpenBSD:*:*)
-	echo mips-unknown-openbsd${UNAME_RELEASE}
-	exit 0 ;;
     wgrisc:OpenBSD:*:*)
 	echo mipsel-unknown-openbsd${UNAME_RELEASE}
 	exit 0 ;;
@@ -380,9 +377,6 @@ EOF
     Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD)
 	echo m68k-tektronix-bsd
 	exit 0 ;;
-    *:IRIX*:*:*)
-	echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'`
-	exit 0 ;;
     ????????:AIX?:[12].1:2)   # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX.
 	echo romp-ibm-aix      # uname -m gives an 8 hex-code CPU id
 	exit 0 ;;              # Note that: echo "'`uname -s`'" gives 'AIX '
@@ -877,9 +871,6 @@ EOF
     NSR-[KW]:NONSTOP_KERNEL:*:*)
 	echo nsr-tandem-nsk${UNAME_RELEASE}
 	exit 0 ;;
-    *:NonStop-UX:*:*)
-	echo mips-compaq-nonstopux
-	exit 0 ;;
     BS2000:POSIX*:*:*)
 	echo bs2000-siemens-sysv
 	exit 0 ;;
diff --git a/src/3rdparty/libmng/config.sub b/src/3rdparty/libmng/config.sub
index c23cdec33..fb9dfc911 100755
--- a/src/3rdparty/libmng/config.sub
+++ b/src/3rdparty/libmng/config.sub
@@ -137,7 +137,7 @@ case $os in
 	-sun*os*)
 		# Prevent following clause from handling this invalid input.
 		;;
-	-dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \
+	-dec* | -mips* | -sequent* | -encore* | -pc532* | -sony* | \
 	-att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \
 	-unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \
 	-convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\
@@ -534,16 +534,6 @@ case $basic_machine in
 		basic_machine=i386-unknown
 		os=-vsta
 		;;
-	iris | iris4d)
-		basic_machine=mips-sgi
-		case $os in
-		    -irix*)
-			;;
-		    *)
-			os=-irix4
-			;;
-		esac
-		;;
 	isi68 | isi)
 		basic_machine=m68k-isi
 		os=-sysv
@@ -657,10 +647,6 @@ case $basic_machine in
 		basic_machine=i960-intel
 		os=-mon960
 		;;
-	nonstopux)
-		basic_machine=mips-compaq
-		os=-nonstopux
-		;;
 	np1)
 		basic_machine=np1-gould
 		;;
@@ -1019,7 +1005,7 @@ case $os in
 	# The portable systems comes first.
 	# Each alternative MUST END IN A *, to match a version number.
 	# -sysv* is not here because it comes later, after sysvr4.
-	-gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
+	-gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* \
 	      | -*vms* | -esix* | -isc* | -aix* | -sunos | -sunos[34]*\
 	      | -unos* | -luna* | -solaris* | -sym* \
 	      | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
@@ -1034,7 +1020,7 @@ case $os in
 	      | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
 	      | -mingw32* | -linux-gnu* | -uxpv* | -beos* | -mpeix* | -udk* \
 	      | -interix* | -uwin* | -rhapsody* | -darwin* | -opened* \
-	      | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
+	      | -openstep* | -oskit* | -conix* | -pw32* \
 	      | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \
 	      | -os2* | -vos*)
 	# Remember, each alternative MUST END IN *, to match a version number.
@@ -1251,9 +1237,6 @@ case $basic_machine in
 	*-encore)
 		os=-bsd
 		;;
-        *-sgi)
-		os=-irix
-		;;
         *-siemens)
 		os=-sysv4
 		;;
diff --git a/src/3rdparty/libmng/configure b/src/3rdparty/libmng/configure
index 8cc3b336b..7b1fe034d 100755
--- a/src/3rdparty/libmng/configure
+++ b/src/3rdparty/libmng/configure
@@ -733,7 +733,6 @@ ac_configure=$ac_aux_dir/configure # This should be Cygnus configure.
 # incompatible versions:
 # SysV /etc/install, /usr/sbin/install
 # SunOS /usr/etc/install
-# IRIX /sbin/install
 # AIX /bin/install
 # AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
 # AFS /usr/afsws/bin/install, which mishandles nonexistent args
@@ -1976,27 +1975,6 @@ gnu*)
   lt_cv_deplibs_check_method=pass_all
   ;;
 
-irix5* | irix6*)
-  case $host_os in
-  irix5*)
-    # this will be overridden with pass_all, but let us keep it just in case
-    lt_cv_deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1"
-    ;;
-  *)
-    case $LD in
-    *-32|*"-32 ") libmagic=32-bit;;
-    *-n32|*"-n32 ") libmagic=N32;;
-    *-64|*"-64 ") libmagic=64-bit;;
-    *) libmagic=never-match;;
-    esac
-    # this will be overridden with pass_all, but let us keep it just in case
-    lt_cv_deplibs_check_method="file_magic ELF ${libmagic} MSB mips-[1234] dynamic lib MIPS - version 1"
-    ;;
-  esac
-  lt_cv_file_magic_test_file=`echo /lib${libsuff}/libc.so*`
-  lt_cv_deplibs_check_method=pass_all
-  ;;
-
 # This must be Linux ELF.
 linux-gnu*)
   case $host_cpu in
@@ -2169,9 +2147,6 @@ aix*)
 cygwin* | mingw* | pw32*)
   symcode='[ABCDGISTW]'
   ;;
-irix*)
-  symcode='[BCDEGRST]'
-  ;;
 solaris* | sysv5*)
   symcode='[BDT]'
   ;;
@@ -2638,29 +2613,6 @@ fi
 
 test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes
 
-# Some flags need to be propagated to the compiler or linker for good
-# libtool support.
-case $host in
-*-*-irix6*)
-  # Find out which ABI we are using.
-  echo '#line 2676 "configure"' > conftest.$ac_ext
-  if { (eval echo configure:2677: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-    case `/usr/bin/file conftest.$ac_objext` in
-    *32-bit*)
-      LD="${LD-ld} -32"
-      ;;
-    *N32*)
-      LD="${LD-ld} -n32"
-      ;;
-    *64-bit*)
-      LD="${LD-ld} -64"
-      ;;
-    esac
-  fi
-  rm -rf conftest*
-  ;;
-esac
-
 # Sed substitution that helps us do robust quoting.  It backslashifies
 # metacharacters that are still active within double-quoted strings.
 Xsed='sed -e s/^X//'
@@ -2810,8 +2762,8 @@ else
       # like `-m68040'.
       lt_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4'
       ;;
-    beos* | irix5* | irix6*)
-      # PIC is the default for these OSes.
+    beos*)
+      # PIC is the default for this OS
       ;;
     darwin* | rhapsody*)
       # PIC is the default on this platform
@@ -2846,12 +2798,6 @@ else
       fi
       ;;
 
-    irix5* | irix6*)
-      lt_cv_prog_cc_wl='-Wl,'
-      lt_cv_prog_cc_static='-non_shared'
-      # PIC (with -KPIC) is the default.
-      ;;
-
     cygwin* | mingw* | pw32* | os2*)
       # This hack is so that the source file can tell whether it is being
       # built for inclusion in a dll (and should export symbols for example).
@@ -3600,17 +3546,6 @@ else
     hardcode_shlibpath_var=no
     ;;
 
-  irix5* | irix6*)
-    if test "$GCC" = yes; then
-      archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
-    else
-      archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
-    fi
-    hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
-    hardcode_libdir_separator=:
-    link_all_deplibs=yes
-    ;;
-
   netbsd*)
     if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
       archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
@@ -4016,31 +3951,6 @@ gnu*)
   hardcode_into_libs=yes
   ;;
 
-irix5* | irix6*)
-  version_type=irix
-  need_lib_prefix=no
-  need_version=no
-  soname_spec='${libname}${release}.so$major'
-  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major ${libname}${release}.so $libname.so'
-  case $host_os in
-  irix5*)
-    libsuff= shlibsuff=
-    ;;
-  *)
-    case $LD in # libtool.m4 will add one of these switches to LD
-    *-32|*"-32 ") libsuff= shlibsuff= libmagic=32-bit;;
-    *-n32|*"-n32 ") libsuff=32 shlibsuff=N32 libmagic=N32;;
-    *-64|*"-64 ") libsuff=64 shlibsuff=64 libmagic=64-bit;;
-    *) libsuff= shlibsuff= libmagic=never-match;;
-    esac
-    ;;
-  esac
-  shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
-  shlibpath_overrides_runpath=no
-  sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
-  sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
-  ;;
-
 # No shared lib support for Linux oldld, aout, or coff.
 linux-gnuoldld* | linux-gnuaout* | linux-gnucoff*)
   dynamic_linker=no
@@ -5357,7 +5267,6 @@ LIBTOOL='$(SHELL) $(top_builddir)/libtool'
 # incompatible versions:
 # SysV /etc/install, /usr/sbin/install
 # SunOS /usr/etc/install
-# IRIX /sbin/install
 # AIX /bin/install
 # AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
 # AFS /usr/afsws/bin/install, which mishandles nonexistent args
diff --git a/src/3rdparty/libmng/ltmain.sh b/src/3rdparty/libmng/ltmain.sh
index 244554861..45e445b74 100644
--- a/src/3rdparty/libmng/ltmain.sh
+++ b/src/3rdparty/libmng/ltmain.sh
@@ -988,15 +988,7 @@ compiler."
 	continue
 	;;
 
-      # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:*
-      # so, if we see these flags be careful not to treat them like -L
       -L[A-Z][A-Z]*:*)
-	case $with_gcc/$host in
-	no/*-*-irix*)
-	  compile_command="$compile_command $arg"
-	  finalize_command="$finalize_command $arg"
-	  ;;
-	esac
 	continue
 	;;
 
@@ -2273,23 +2265,6 @@ compiler."
 	  versuffix=".$current";
 	  ;;
 
-	irix)
-	  major=`expr $current - $age + 1`
-	  verstring="sgi$major.$revision"
-
-	  # Add in all the interfaces that we are compatible with.
-	  loop=$revision
-	  while test "$loop" -ne 0; do
-	    iface=`expr $revision - $loop`
-	    loop=`expr $loop - 1`
-	    verstring="sgi$major.$iface:$verstring"
-	  done
-
-	  # Before this point, $major must not contain `.'.
-	  major=.$major
-	  versuffix="$major.$revision"
-	  ;;
-
 	linux)
 	  major=.`expr $current - $age`
 	  versuffix="$major.$age.$revision"
diff --git a/src/3rdparty/libmng/missing b/src/3rdparty/libmng/missing
index d46f79f64..0b54a0e07 100755
--- a/src/3rdparty/libmng/missing
+++ b/src/3rdparty/libmng/missing
@@ -173,7 +173,7 @@ WARNING: \`$1' is missing on your system.  You should only need it if
          you modified a \`.texi' or \`.texinfo' file, or any other file
          indirectly affecting the aspect of the manual.  The spurious
          call might also be the consequence of using a buggy \`make' (AIX,
-         DU, IRIX).  You might want to install the \`Texinfo' package or
+         DU).  You might want to install the \`Texinfo' package or
          the \`GNU make' package.  Grab either from any GNU archive site."
     file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`
     if test -z "$file"; then