HP-UX: Drop support for building CMake on HP-UX

CMake will soon require both C++11 and libuv to build.  Neither of
these works on HP-UX, so unfortunately we need to drop support for
the platform until someone can get them working.

Issue: #17137

1 files changed, 5 insertions, 54 deletions

diff --git a/bootstrap b/bootstrap
index 83e67c5..9d73233 100755
--- a/bootstrap
+++ b/bootstrap
@@ -129,6 +129,11 @@ fi
 
 # Determine whether this is HP-UX
 if echo "${cmake_system}" | grep -q HP-UX; then
+  die 'CMake no longer compiles on HP-UX.  See
+
+  https://gitlab.kitware.com/cmake/cmake/issues/17137
+
+Use CMake 3.9 or lower instead.'
   cmake_system_hpux=true
 else
   cmake_system_hpux=false
@@ -1140,60 +1145,6 @@ else
 fi
 rm -f "${TMPFILE}.cxx"
 
-if [ "x${cmake_cxx_compiler_is_gnu}" != "x1" ]; then
-  # Check for non-GNU compiler flags
-
-  # If we are on HP-UX, check for -Ae for the C compiler.
-  if [ "x${cmake_system}" = "xHP-UX" ]; then
-    cmake_test_flags="-Ae"
-    TMPFILE=`cmake_tmp_file`
-    echo '
-    int main(int argc, char** argv) { (void)argc; (void)argv; return 0; }
-' > ${TMPFILE}.c
-    cmake_need_Ae=0
-    if cmake_try_run "${cmake_c_compiler}" "${cmake_c_flags}" "${TMPFILE}.c" >> cmake_bootstrap.log 2>&1; then
-      :
-    else
-      if cmake_try_run "${cmake_c_compiler}" \
-        "${cmake_c_flags} ${cmake_test_flags}" "${TMPFILE}.c" >> cmake_bootstrap.log 2>&1; then
-        cmake_need_Ae=1
-      fi
-    fi
-    if [ "x${cmake_need_Ae}" = "x1" ]; then
-      cmake_c_flags="${cmake_c_flags} ${cmake_test_flags}"
-      echo "${cmake_c_compiler} needs ${cmake_test_flags}"
-    else
-      echo "${cmake_c_compiler} does not need ${cmake_test_flags}"
-    fi
-    rm -f "${TMPFILE}.c"
-    echo '
-    #include <iostream>
-    int main(int argc, char** argv) {
-    for(int i=0; i < 1; ++i);
-    for(int i=0; i < 1; ++i);
-    (void)argc; (void)argv; return 0; }
-' > ${TMPFILE}.cxx
-    cmake_need_AAstd98=0
-    cmake_test_flags="-AA +hpxstd98"
-    if cmake_try_run "${cmake_cxx_compiler}" "${cmake_cxx_flags}" "${TMPFILE}.cxx" >> cmake_bootstrap.log 2>&1; then
-      :
-    else
-      if cmake_try_run "${cmake_cxx_compiler}" \
-        "${cmake_cxx_flags} ${cmake_test_flags}" "${TMPFILE}.cxx" >> cmake_bootstrap.log 2>&1; then
-        cmake_need_AAstd98=1
-      fi
-    fi
-    if [ "x${cmake_need_AAstd98}" = "x1" ]; then
-      cmake_cxx_flags="${cmake_cxx_flags} ${cmake_test_flags}"
-      echo "${cmake_cxx_compiler} needs ${cmake_test_flags}"
-    else
-      echo "${cmake_cxx_compiler} does not need ${cmake_test_flags}"
-    fi
-  fi
-  cmake_test_flags=
-fi
-
-
 # Test for kwsys features
 KWSYS_NAME_IS_KWSYS=0
 KWSYS_BUILD_SHARED=0