Remove now-unused code once used on IRIX

We dropped support for IRIX as a host platform long ago.
Remove some leftover code.

CompileFlags.cmake

@@ -28,13 +28,6 @@ if(CMAKE_SYSTEM_NAME MATCHES "AIX")
   endif()
 endif()
 
-if(CMAKE_SYSTEM_NAME MATCHES "IRIX")
-  if(NOT CMAKE_COMPILER_IS_GNUCXX)
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wl,-woff84 -no_auto_include")
-    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-woff15")
-  endif()
-endif()
-
 if(CMAKE_SYSTEM MATCHES "OSF1-V")
   if(NOT CMAKE_COMPILER_IS_GNUCXX)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -timplicit_local -no_implicit_include ")

Modules/CMakeBackwardCompatibilityCXX.cmake

@@ -22,9 +22,6 @@ if(NOT CMAKE_SKIP_COMPATIBILITY_TESTS)
   if(NOT CMAKE_COMPILER_IS_GNUCXX)
     include(TestCXXAcceptsFlag)
     set(CMAKE_TRY_ANSI_CXX_FLAGS "")
-    if(CMAKE_SYSTEM_NAME MATCHES "IRIX")
-      set(CMAKE_TRY_ANSI_CXX_FLAGS "-LANG:std")
-    endif()
     if(CMAKE_SYSTEM_NAME MATCHES "OSF")
       set(CMAKE_TRY_ANSI_CXX_FLAGS "-std strict_ansi -nopure_cname")
     endif()

Modules/CMakeCompilerABI.h

@@ -10,16 +10,10 @@ const char info_sizeof_dptr[] = {
 };
 
 /* Application Binary Interface.  */
-#if defined(__sgi) && defined(_ABIO32)
-#  define ABI_ID "ELF O32"
-#elif defined(__sgi) && defined(_ABIN32)
-#  define ABI_ID "ELF N32"
-#elif defined(__sgi) && defined(_ABI64)
-#  define ABI_ID "ELF 64"
 
 /* Check for (some) ARM ABIs.
  * See e.g. http://wiki.debian.org/ArmEabiPort for some information on this. */
-#elif defined(__GNU__) && defined(__ELF__) && defined(__ARM_EABI__)
+#if defined(__GNU__) && defined(__ELF__) && defined(__ARM_EABI__)
 #  define ABI_ID "ELF ARMEABI"
 #elif defined(__GNU__) && defined(__ELF__) && defined(__ARMEB__)
 #  define ABI_ID "ELF ARM"

Modules/CMakeCompilerIdDetection.cmake

@@ -135,9 +135,6 @@ function(compiler_id_detection outvar lang)
 /* These compilers are either not known or too old to define an
   identification macro.  Try to identify the platform and guess that
   it is the native compiler.  */
-#elif defined(__sgi)
-# define ${CID_PREFIX}COMPILER_ID \"MIPSpro\"
-
 #elif defined(__hpux) || defined(__hpua)
 # define ${CID_PREFIX}COMPILER_ID \"HP\"
 

Modules/CMakeDetermineSystem.cmake

@@ -13,7 +13,6 @@
 # BSD/OS                        BSD/OS
 # FreeBSD                       FreeBSD
 # HP-UX                         HP-UX
-# IRIX                          IRIX
 # Linux                         Linux
 # GNU/kFreeBSD                  GNU/kFreeBSD
 # NetBSD                        NetBSD

Modules/CMakeFortranCompilerABI.F

@@ -33,13 +33,7 @@ PROGRAM CMakeFortranCompilerABI
 #if 0
 ! Application Binary Interface
 #endif
-#if defined(__sgi) && defined(_ABIO32)
-        PRINT *, 'INFO:abi[ELF O32]'
-#elif defined(__sgi) && defined(_ABIN32)
-        PRINT *, 'INFO:abi[ELF N32]'
-#elif defined(__sgi) && defined(_ABI64)
-        PRINT *, 'INFO:abi[ELF 64]'
-#elif defined(__ELF__)
+#if defined(__ELF__)
         PRINT *, 'INFO:abi[ELF]'
 #endif
         PRINT *, 'ABI Detection'

Modules/CMakeFortranCompilerId.F.in

@@ -105,20 +105,14 @@
 #       endif
 #elif defined(_AIX) || defined(__AIX) || defined(__AIX__) || defined(__aix) || defined(__aix__)
         PRINT *, 'INFO:compiler[VisualAge]'
-#elif defined(__sgi) || defined(__sgi__) || defined(_SGI)
-        PRINT *, 'INFO:compiler[MIPSpro]'
 #elif defined(__hpux) || defined(__hpux__)
         PRINT *, 'INFO:compiler[HP]'
 #elif defined(NAGFOR)
         PRINT *, 'INFO:compiler[NAG]'
 #define COMPILER_VERSION_MAJOR DEC(__NAG_COMPILER_RELEASE/10)
 #define COMPILER_VERSION_MINOR DEC(__NAG_COMPILER_RELEASE % 10)
 #define COMPILER_VERSION_PATCH DEC(__NAG_COMPILER_BUILD)
-#elif 1
-#       if 0
-!       The above 'elif 1' instead of 'else' is to work around a bug in the
-!       SGI preprocessor which produces both the __sgi and else blocks.
-#       endif
+#else
         PRINT *, 'INFO:compiler[]'
 #endif
 #if defined(__CRAYXE) || defined(__CRAYXC)
@@ -148,8 +142,6 @@
         PRINT *, 'INFO:platform[SunOS]'
 #elif defined(_AIX) || defined(__AIX) || defined(__AIX__) || defined(__aix) || defined(__aix__)
         PRINT *, 'INFO:platform[AIX]'
-#elif defined(__sgi) || defined(__sgi__) || defined(_SGI)
-        PRINT *, 'INFO:platform[IRIX]'
 #elif defined(__hpux) || defined(__hpux__)
         PRINT *, 'INFO:platform[HP-UX]'
 #elif defined(__HAIKU__)
@@ -178,11 +170,7 @@
         PRINT *, 'INFO:platform[ULTRIX]'
 #elif defined(__XENIX__) || defined(_XENIX) || defined(XENIX)
         PRINT *, 'INFO:platform[Xenix]'
-#elif 1
-#       if 0
-!       The above 'elif 1' instead of 'else' is to work around a bug in the
-!       SGI preprocessor which produces both the __sgi and else blocks.
-#       endif
+#else
         PRINT *, 'INFO:platform[]'
 #endif
 #if defined(_WIN32) && (defined(__INTEL_COMPILER) || defined(__ICC))

Modules/CMakePlatformId.h.in

@@ -32,9 +32,6 @@
 #elif defined(_AIX) || defined(__AIX) || defined(__AIX__) || defined(__aix) || defined(__aix__)
 # define PLATFORM_ID "AIX"
 
-#elif defined(__sgi) || defined(__sgi__) || defined(_SGI)
-# define PLATFORM_ID "IRIX"
-
 #elif defined(__hpux) || defined(__hpux__)
 # define PLATFORM_ID "HP-UX"
 

Modules/ProcessorCount.cmake

@@ -12,7 +12,7 @@ Determine the number of processors/cores and save value in ${var}
 Sets the variable named ${var} to the number of physical cores
 available on the machine if the information can be determined.
 Otherwise it is set to 0.  Currently this functionality is implemented
-for AIX, cygwin, FreeBSD, HPUX, IRIX, Linux, macOS, QNX, Sun and
+for AIX, cygwin, FreeBSD, HPUX, Linux, macOS, QNX, Sun and
 Windows.
 
 This function is guaranteed to return a positive integer (>=1) if it
@@ -114,22 +114,6 @@ function(ProcessorCount var)
     endif()
   endif()
 
-  if(NOT count)
-    # IRIX (systems with hinv):
-    find_program(ProcessorCount_cmd_hinv hinv
-      PATHS /sbin)
-    mark_as_advanced(ProcessorCount_cmd_hinv)
-    if(ProcessorCount_cmd_hinv)
-      execute_process(COMMAND ${ProcessorCount_cmd_hinv}
-        ERROR_QUIET
-        OUTPUT_STRIP_TRAILING_WHITESPACE
-        OUTPUT_VARIABLE hinv_output)
-      string(REGEX MATCHALL "([0-9]+) .* Processors" procs "${hinv_output}")
-      set(count "${CMAKE_MATCH_1}")
-      #message("ProcessorCount: trying hinv '${ProcessorCount_cmd_hinv}'")
-    endif()
-  endif()
-
   if(NOT count)
     # AIX (systems with lsconf):
     find_program(ProcessorCount_cmd_lsconf lsconf

Source/cmComputeLinkInformation.cxx

@@ -30,7 +30,7 @@ Notes about linking on various platforms:
 
 ------------------------------------------------------------------------------
 
-Linux, FreeBSD, macOS, IRIX, Sun, Windows:
+Linux, FreeBSD, macOS, Sun, Windows:
 
 Linking to libraries using the full path works fine.
 

Tests/CMakeLists.txt

@@ -597,7 +597,6 @@ if(BUILD_TESTING)
   else()
     if (CMAKE_CXX_COMPILER_ID MATCHES "PGI"
         OR CMAKE_CXX_COMPILER_ID MATCHES "PathScale"
-        OR CMAKE_SYSTEM_NAME MATCHES "IRIX64"
         OR CMAKE_CXX_COMPILER_ID MATCHES "Intel")
       set(run_pic_test 0)
     else()

Tests/CMakeTests/ImplicitLinkInfoTest.cmake.in

@@ -414,78 +414,6 @@ set(hp_f90_64_libs "-l:libF90.a;-l:libIO77.a;m;c;unwind;uca")
 set(hp_f90_64_dirs "/usr/lib/hpux64;/opt/langtools/lib/hpux64")
 list(APPEND platforms hp_f90_64)
 
-#-----------------------------------------------------------------------------
-# IRIX
-
-# cc -o32 dummy.c -v
-set(irix64_cc_o32_text "/usr/lib/ld -elf -_SYSTYPE_SVR4 -require_dynamic_link _rld_new_interface -no_unresolved -Wx,-G 0 -o32 -mips2 -call_shared -g0 -KPIC -L/usr/lib/ -nocount /usr/lib/crt1.o -count dummy.o -nocount -lc /usr/lib/crtn.o")
-set(irix64_cc_o32_libs "c")
-set(irix64_cc_o32_dirs "/usr/lib")
-list(APPEND platforms irix64_cc_o32)
-
-# cc -n32 dummy.c -v
-set(irix64_cc_n32_text "/usr/lib32/cmplrs/ld32 -call_shared -no_unresolved -transitive_link -elf -_SYSTYPE_SVR4 -show -mips4 -n32 -L/usr/lib32/mips4/r10000 -L/usr/lib32/mips4 -L/usr/lib32 /usr/lib32/mips4/crt1.o dummy.o -dont_warn_unused -Bdynamic -lc /usr/lib32/mips4/crtn.o -warn_unused")
-set(irix64_cc_n32_libs "c")
-set(irix64_cc_n32_dirs "/usr/lib32/mips4/r10000;/usr/lib32/mips4;/usr/lib32")
-list(APPEND platforms irix64_cc_n32)
-
-# cc -64 dummy.c -v
-set(irix64_cc_64_text "/usr/lib32/cmplrs/ld64 -call_shared -no_unresolved -transitive_link -elf -_SYSTYPE_SVR4 -show -mips4 -64 -L/usr/lib64/mips4/r10000 -L/usr/lib64/mips4 -L/usr/lib64 /usr/lib64/mips4/crt1.o dummy.o -dont_warn_unused -Bdynamic -lc /usr/lib64/mips4/crtn.o -warn_unused")
-set(irix64_cc_64_libs "c")
-set(irix64_cc_64_dirs "/usr/lib64/mips4/r10000;/usr/lib64/mips4;/usr/lib64")
-list(APPEND platforms irix64_cc_64)
-
-# CC -o32 dummy.cxx -v
-set(irix64_CC_o32_text "/usr/lib/ld -elf -cxx -woff 134 -_SYSTYPE_SVR4 -require_dynamic_link _rld_new_interface -no_unresolved -Wx,-G 0 -o32 -mips2 -call_shared -g0 -KPIC -L/usr/lib/ -nocount /usr/lib/crt1.o /usr/lib/c++init.o -count dummy.o -nocount -dont_warn_unused -lC -warn_unused -lc /usr/lib/crtn.o")
-set(irix64_CC_o32_libs "C;c")
-set(irix64_CC_o32_dirs "/usr/lib")
-list(APPEND platforms irix64_CC_o32)
-
-# CC -n32 dummy.cxx -v
-set(irix64_CC_n32_text "/usr/lib32/cmplrs/ld32 -call_shared -init _main -fini _fini -no_unresolved -transitive_link -demangle -elf -_SYSTYPE_SVR4 -LANG:std -show -mips4 -n32 -L/usr/lib32/mips4/r10000 -L/usr/lib32/mips4 -L/usr/lib32 -cxx -woff 134 /usr/lib32/mips4/crt1.o /usr/lib32/c++init.o dummy.o -dont_warn_unused -lCsup -lC -lCio -Bdynamic -lc /usr/lib32/mips4/crtn.o -warn_unused")
-set(irix64_CC_n32_libs "Csup;C;Cio;c")
-set(irix64_CC_n32_dirs "/usr/lib32/mips4/r10000;/usr/lib32/mips4;/usr/lib32")
-list(APPEND platforms irix64_CC_n32)
-
-# CC -64 dummy.cxx -v
-set(irix64_CC_64_text "/usr/lib32/cmplrs/ld64 -call_shared -init _main -fini _fini -no_unresolved -transitive_link -demangle -elf -_SYSTYPE_SVR4 -LANG:std -show -mips4 -64 -L/usr/lib64/mips4/r10000 -L/usr/lib64/mips4 -L/usr/lib64 -cxx -woff 134 /usr/lib64/mips4/crt1.o /usr/lib64/c++init.o dummy.o -dont_warn_unused -lCsup -lC -lCio -Bdynamic -lc /usr/lib64/mips4/crtn.o -warn_unused")
-set(irix64_CC_64_libs "Csup;C;Cio;c")
-set(irix64_CC_64_dirs "/usr/lib64/mips4/r10000;/usr/lib64/mips4;/usr/lib64")
-list(APPEND platforms irix64_CC_64)
-
-# f77 -o32 dummy.f -v
-set(irix64_f77_o32_text "/usr/lib/ld -elf -_SYSTYPE_SVR4 -require_dynamic_link _rld_new_interface -no_unresolved -Wx,-G 0 -o32 -mips2 -call_shared -g0 -KPIC -L/usr/lib/ -nocount /usr/lib/crt1.o -count dummy.o -nocount -lftn -lm -lc /usr/lib/crtn.o")
-set(irix64_f77_o32_libs "ftn;m;c")
-set(irix64_f77_o32_dirs "/usr/lib")
-list(APPEND platforms irix64_f77_o32)
-
-# f77 -n32 dummy.f -v
-set(irix64_f77_n32_text "/usr/lib32/cmplrs/ld32 -call_shared -no_unresolved -transitive_link -elf -_SYSTYPE_SVR4 -show -mips4 -n32 -L/usr/lib32/mips4/r10000 -L/usr/lib32/mips4 -L/usr/lib32 /usr/lib32/mips4/crt1.o dummy.o -dont_warn_unused -lftn -lm -Bdynamic -lc /usr/lib32/mips4/crtn.o -warn_unused")
-set(irix64_f77_n32_libs "ftn;m;c")
-set(irix64_f77_n32_dirs "/usr/lib32/mips4/r10000;/usr/lib32/mips4;/usr/lib32")
-list(APPEND platforms irix64_f77_n32)
-
-# f77 -64 dummy.f -v
-set(irix64_f77_64_text "/usr/lib32/cmplrs/ld64 -call_shared -no_unresolved -transitive_link -elf -_SYSTYPE_SVR4 -show -mips4 -64 -L/usr/lib64/mips4/r10000 -L/usr/lib64/mips4 -L/usr/lib64 /usr/lib64/mips4/crt1.o dummy.o -dont_warn_unused -lftn -lm -Bdynamic -lc /usr/lib64/mips4/crtn.o -warn_unused")
-set(irix64_f77_64_libs "ftn;m;c")
-set(irix64_f77_64_dirs "/usr/lib64/mips4/r10000;/usr/lib64/mips4;/usr/lib64")
-list(APPEND platforms irix64_f77_64)
-
-# f90 -o32 dummy.f -v
-#f90 ERROR:  specified abi -o32 not supported.
-
-# f90 -n32 dummy.f -v
-set(irix64_f90_n32_text "/usr/lib32/cmplrs/ld32 -call_shared -no_unresolved -transitive_link -elf -_SYSTYPE_SVR4 -show -mips4 -n32 -L/usr/lib32/mips4/r10000 -L/usr/lib32/mips4 -L/usr/lib32 /usr/lib32/mips4/crt1.o dummy.o -dont_warn_unused -lfortran -lffio -lftn -lm -Bdynamic -lc /usr/lib32/mips4/crtn.o -warn_unused")
-set(irix64_f90_n32_libs "fortran;ffio;ftn;m;c")
-set(irix64_f90_n32_dirs "/usr/lib32/mips4/r10000;/usr/lib32/mips4;/usr/lib32")
-list(APPEND platforms irix64_f90_n32)
-
-# f90 -64 dummy.f -v
-set(irix64_f90_64_text "/usr/lib32/cmplrs/ld64 -call_shared -no_unresolved -transitive_link -elf -_SYSTYPE_SVR4 -show -mips4 -64 -L/usr/lib64/mips4/r10000 -L/usr/lib64/mips4 -L/usr/lib64 /usr/lib64/mips4/crt1.o dummy.o -dont_warn_unused -lfortran -lffio -lftn -lm -Bdynamic -lc /usr/lib64/mips4/crtn.o -warn_unused")
-set(irix64_f90_64_libs "fortran;ffio;ftn;m;c")
-set(irix64_f90_64_dirs "/usr/lib64/mips4/r10000;/usr/lib64/mips4;/usr/lib64")
-list(APPEND platforms irix64_f90_64)
-
 #-----------------------------------------------------------------------------
 # Cygwin
 

Tests/ExportImport/Import/A/CMakeLists.txt

@@ -332,7 +332,6 @@ if (APPLE OR CMAKE_CXX_COMPILER_ID MATCHES "GNU")
 else()
   if (CMAKE_CXX_COMPILER_ID MATCHES "PGI"
       OR CMAKE_CXX_COMPILER_ID MATCHES "PathScale"
-      OR CMAKE_SYSTEM_NAME MATCHES "IRIX64"
       OR CMAKE_CXX_COMPILER_ID MATCHES "Intel")
     set(run_pic_test 0)
   else()