CMakeDetermineCompilerABI: Extract lib arch from implicit object file paths

The NVHPC compiler does not have any implicit link directories that can
be used to detect `CMAKE_LIBRARY_ARCHITECTURE`, but it does have
implicit object files.  Extract implicit object file paths from link
lines and check them for the `CMAKE_LIBRARY_ARCHITECTURE` pattern.

Issue: #22024

14 files changed, 156 insertions, 16 deletions

diff --git a/Modules/CMakeDetermineCompilerABI.cmake b/Modules/CMakeDetermineCompilerABI.cmake
index cf028f1812..8191d819bf 100644
--- a/Modules/CMakeDetermineCompilerABI.cmake
+++ b/Modules/CMakeDetermineCompilerABI.cmake
@@ -135,11 +135,13 @@ function(CMAKE_DETERMINE_COMPILER_ABI lang src)
 
       # Parse implicit linker information for this language, if available.
       set(implicit_dirs "")
+      set(implicit_objs "")
       set(implicit_libs "")
       set(implicit_fwks "")
       if(CMAKE_${lang}_VERBOSE_FLAG)
         CMAKE_PARSE_IMPLICIT_LINK_INFO("${OUTPUT}" implicit_libs implicit_dirs implicit_fwks log
-          "${CMAKE_${lang}_IMPLICIT_OBJECT_REGEX}")
+          "${CMAKE_${lang}_IMPLICIT_OBJECT_REGEX}"
+          COMPUTE_IMPLICIT_OBJECTS implicit_objs)
         file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
           "Parsed ${lang} implicit link information from above output:\n${log}\n\n")
       endif()
@@ -176,7 +178,7 @@ function(CMAKE_DETERMINE_COMPILER_ABI lang src)
       set(CMAKE_${lang}_IMPLICIT_LINK_DIRECTORIES "${implicit_dirs}" PARENT_SCOPE)
       set(CMAKE_${lang}_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES "${implicit_fwks}" PARENT_SCOPE)
 
-      cmake_parse_library_architecture("${implicit_dirs}" architecture_flag)
+      cmake_parse_library_architecture(${lang} "${implicit_dirs}" "${implicit_objs}" architecture_flag)
       if(architecture_flag)
         set(CMAKE_${lang}_LIBRARY_ARCHITECTURE "${architecture_flag}" PARENT_SCOPE)
       endif()
diff --git a/Modules/CMakeParseImplicitLinkInfo.cmake b/Modules/CMakeParseImplicitLinkInfo.cmake
index 04655156e9..e848b55549 100644
--- a/Modules/CMakeParseImplicitLinkInfo.cmake
+++ b/Modules/CMakeParseImplicitLinkInfo.cmake
@@ -5,16 +5,27 @@ cmake_policy(PUSH)
 cmake_policy(SET CMP0053 NEW)
 cmake_policy(SET CMP0054 NEW)
 
-# Function parse implicit linker options.
+# Function to parse implicit linker options.
+#
 # This is used internally by CMake and should not be included by user
 # code.
-
+#
+# Note: this function is leaked/exposed by FindOpenMP and therefore needs
+# to have a stable API so projects that copied `FindOpenMP` for backwards
+# compatibility don't break.
+#
 function(CMAKE_PARSE_IMPLICIT_LINK_INFO text lib_var dir_var fwk_var log_var obj_regex)
   set(implicit_libs_tmp "")
+  set(implicit_objs_tmp "")
   set(implicit_dirs_tmp)
   set(implicit_fwks_tmp)
   set(log "")
 
+  set(keywordArgs)
+  set(oneValueArgs COMPUTE_IMPLICIT_OBJECTS)
+  set(multiValueArgs )
+  cmake_parse_arguments(EXTRA_PARSE "${keywordArgs}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
+
   # Parse implicit linker arguments.
   set(linker "CMAKE_LINKER-NOTFOUND")
   if(CMAKE_LINKER)
@@ -103,11 +114,15 @@ function(CMAKE_PARSE_IMPLICIT_LINK_INFO text lib_var dir_var fwk_var log_var obj
           set(lib "${CMAKE_MATCH_2}")
           list(APPEND implicit_libs_tmp ${lib})
           string(APPEND log "    arg [${arg}] ==> lib [${lib}]\n")
-        elseif("${arg}" MATCHES "^(.:)?[/\\].*\\.o$"
-            AND obj_regex AND "${arg}" MATCHES "${obj_regex}")
-          # Object file full path.
-          list(APPEND implicit_libs_tmp ${arg})
-          string(APPEND log "    arg [${arg}] ==> obj [${arg}]\n")
+        elseif("${arg}" MATCHES "^(.:)?[/\\].*\\.o$")
+          if(EXTRA_PARSE_COMPUTE_IMPLICIT_OBJECTS)
+            list(APPEND implicit_objs_tmp ${arg})
+            string(APPEND log "    arg [${arg}] ==> obj [${arg}]\n")
+          endif()
+          if(obj_regex AND "${arg}" MATCHES "${obj_regex}")
+            # Object file full path.
+            list(APPEND implicit_libs_tmp ${arg})
+          endif()
         elseif("${arg}" MATCHES "^-Y(P,)?[^0-9]")
           # Sun search path ([^0-9] avoids conflict with Mac -Y<num>).
           string(REGEX REPLACE "^-Y(P,)?" "" dirs "${arg}")
@@ -170,6 +185,21 @@ function(CMAKE_PARSE_IMPLICIT_LINK_INFO text lib_var dir_var fwk_var log_var obj
     endif()
   endforeach()
 
+  if(EXTRA_PARSE_COMPUTE_IMPLICIT_OBJECTS)
+    set(implicit_objs "")
+    foreach(obj IN LISTS implicit_objs_tmp)
+      if(IS_ABSOLUTE "${obj}")
+        get_filename_component(abs "${obj}" ABSOLUTE)
+        if(NOT "x${obj}" STREQUAL "x${abs}")
+          string(APPEND log "  collapse obj [${obj}] ==> [${abs}]\n")
+        endif()
+        list(APPEND implicit_objs "${abs}")
+      else()
+        list(APPEND implicit_objs "${obj}")
+      endif()
+    endforeach()
+  endif()
+
   # Cleanup list of library and framework directories.
   set(desc_dirs "library")
   set(desc_fwks "framework")
@@ -191,6 +221,7 @@ function(CMAKE_PARSE_IMPLICIT_LINK_INFO text lib_var dir_var fwk_var log_var obj
 
   # Log results.
   string(APPEND log "  implicit libs: [${implicit_libs}]\n")
+  string(APPEND log "  implicit objs: [${implicit_objs}]\n")
   string(APPEND log "  implicit dirs: [${implicit_dirs}]\n")
   string(APPEND log "  implicit fwks: [${implicit_fwks}]\n")
 
@@ -199,6 +230,10 @@ function(CMAKE_PARSE_IMPLICIT_LINK_INFO text lib_var dir_var fwk_var log_var obj
   set(${dir_var} "${implicit_dirs}" PARENT_SCOPE)
   set(${fwk_var} "${implicit_fwks}" PARENT_SCOPE)
   set(${log_var} "${log}" PARENT_SCOPE)
+
+  if(EXTRA_PARSE_COMPUTE_IMPLICIT_OBJECTS)
+    set(${EXTRA_PARSE_COMPUTE_IMPLICIT_OBJECTS} "${implicit_objs}" PARENT_SCOPE)
+  endif()
 endfunction()
 
 cmake_policy(POP)
diff --git a/Modules/CMakeParseLibraryArchitecture.cmake b/Modules/CMakeParseLibraryArchitecture.cmake
index f2bb07a658..6fb9c6bfce 100644
--- a/Modules/CMakeParseLibraryArchitecture.cmake
+++ b/Modules/CMakeParseLibraryArchitecture.cmake
@@ -9,17 +9,26 @@ cmake_policy(SET CMP0054 NEW)
 # This is used internally by CMake and should not be included by user
 # code.
 
-function(cmake_parse_library_architecture implicit_dirs output_var)
+function(cmake_parse_library_architecture lang implicit_dirs implicit_objs output_var)
   unset(library_arch)
   # Detect library architecture directory name.
   if(CMAKE_LIBRARY_ARCHITECTURE_REGEX)
-    foreach(dir ${implicit_dirs})
+    foreach(dir IN LISTS implicit_dirs)
       if("${dir}" MATCHES "/lib/${CMAKE_LIBRARY_ARCHITECTURE_REGEX}$")
         get_filename_component(arch "${dir}" NAME)
         set(library_arch "${arch}")
         break()
       endif()
     endforeach()
+
+    foreach(obj IN LISTS implicit_objs)
+      get_filename_component(dir "${obj}" DIRECTORY)
+      if("${dir}" MATCHES "(/usr)+/lib/${CMAKE_LIBRARY_ARCHITECTURE_REGEX}$")
+        get_filename_component(arch "${dir}" NAME)
+        set(library_arch "${arch}")
+        break()
+      endif()
+    endforeach()
   endif()
 
   if(CMAKE_CXX_COMPILER_ID STREQUAL QCC)
diff --git a/Tests/RunCMake/ParseImplicitData/linux-C-NVHPC-21.1.0.input b/Tests/RunCMake/ParseImplicitData/linux-C-NVHPC-21.1.0.input
new file mode 100644
index 0000000000..93e36cab22
--- /dev/null
+++ b/Tests/RunCMake/ParseImplicitData/linux-C-NVHPC-21.1.0.input
@@ -0,0 +1,42 @@
+CMAKE_LANG=C
+CMAKE_LINKER=/usr/bin/ld
+CMAKE_C_COMPILER_ABI=
+CMAKE_C_COMPILER_AR=
+CMAKE_C_COMPILER_ARCHITECTURE_ID=
+CMAKE_C_COMPILER_EXTERNAL_TOOLCHAIN=
+CMAKE_C_COMPILER_ID=NVHPC
+CMAKE_C_COMPILER_LAUNCHER=
+CMAKE_C_COMPILER_LOADED=1
+CMAKE_C_COMPILER_RANLIB=
+CMAKE_C_COMPILER_TARGET=
+CMAKE_C_COMPILER_VERSION=21.1.0
+CMAKE_C_COMPILER_VERSION_INTERAL=
+Change Dir: /root/parse_implicit_data/CMakeFiles/CMakeTmp
+
+Run Build Command(s):/usr/bin/make -f Makefile cmTC_b8daa/fast && /usr/bin/make  -f CMakeFiles/cmTC_b8daa.dir/build.make CMakeFiles/cmTC_b8daa.dir/build
+make[1]: Entering directory '/root/parse_implicit_data/CMakeFiles/CMakeTmp'
+Building C object CMakeFiles/cmTC_b8daa.dir/CMakeCCompilerABI.c.o
+/opt/nvidia/hpc_sdk/Linux_x86_64/21.1/compilers/bin/nvc   -v -o CMakeFiles/cmTC_b8daa.dir/CMakeCCompilerABI.c.o -c /host_pwd/Work/cmake/src/Modules/CMakeCCompilerABI.c
+Export PGI_CURR_CUDA_HOME=/opt/nvidia/hpc_sdk/Linux_x86_64/21.1/cuda/
+Export NVCOMPILER=/opt/nvidia/hpc_sdk/Linux_x86_64/21.1
+Export PGI=/opt/nvidia/hpc_sdk
+
+/opt/nvidia/hpc_sdk/Linux_x86_64/21.1/compilers/bin/tools/cpp1 --llalign -Dunix -D__unix -D__unix__ -Dlinux -D__linux -D__linux__ -D__NO_MATH_INLINES -D__LP64__ -D__x86_64 -D__x86_64__ -D__LONG_MAX__=9223372036854775807L '-D__SIZE_TYPE__=unsigned long int' '-D__PTRDIFF_TYPE__=long int' -D__amd64 -D__amd64__ -D__k8 -D__k8__ -D__MMX__ -D__SSE__ -D__SSE2__ -D__SSE3__ -D__SSSE3__ -D__SSE4_1__ -D__SSE4_2__ -D__AVX__ -D__AVX2__ -D__AVX512F__ -D__AVX512VL__ -D__FMA__ -D__XSAVE__ -D__POPCNT__ -D__FXSR__ -D__PGI -D__NVCOMPILER -D_PGCG_SOURCE --c -I- -I/opt/nvidia/hpc_sdk/Linux_x86_64/21.1/compilers/include-gcc70 -I/opt/nvidia/hpc_sdk/Linux_x86_64/21.1/compilers/include -I/opt/nvidia/hpc_sdk/Linux_x86_64/21.1/compilers/include-gcc70 -I/opt/nvidia/hpc_sdk/Linux_x86_64/21.1/compilers/include -I/usr/lib/gcc/x86_64-linux-gnu/9/include -I/usr/local/include -I/usr/include/x86_64-linux-gnu -I/usr/include -D__PGLLVM__ -D__NVCOMPILER_LLVM__ -D__extension__= --preinclude _cplus_preinclude.h --preinclude_macros _cplus_macros.h --gnu_version=90300 -D__pgnu_vsn=90300 -q -o /tmp/nvcjpcFBbmqiQuf.il /host_pwd/Work/cmake/src/Modules/CMakeCCompilerABI.c
+
+/opt/nvidia/hpc_sdk/Linux_x86_64/21.1/compilers/bin/tools/cpp2 /host_pwd/Work/cmake/src/Modules/CMakeCCompilerABI.c -opt 1 -x 119 0xa10000 -x 122 0x40 -x 123 0x1000 -x 127 4 -x 127 17 -x 19 0x400000 -x 28 0x40000 -x 120 0x10000000 -x 70 0x8000 -x 122 1 -x 125 0x20000 -quad -x 59 4 -tp skylake -x 120 0x1000 -astype 0 -fn /host_pwd/Work/cmake/src/Modules/CMakeCCompilerABI.c -il /tmp/nvcjpcFBbmqiQuf.il -x 123 0x80000000 -x 123 4 -x 2 0x400 -x 119 0x20 -def __pgnu_vsn=90300 -x 70 0x40000000 -x 183 4 -x 121 0x800 -x 6 0x20000 -x 122 0x400000 -y 125 0x100000 -x 249 100 -x 120 0x200000 -x 70 0x40000000 -x 8 0x40000000 -x 164 0x800000 -x 85 0x2000 -x 85 0x4000 -x 68 0x1 -x 39 4 -x 56 0x10 -x 26 0x10 -x 26 1 -x 56 0x4000 -y 163 0xc0000000 -x 189 0x10 -y 189 0x4000000 -gnuvsn 90300 -x 69 0x200 -x 123 0x400 -cmdline '+nvc /tmp/nvcjpcFBbmqiQuf.il -v -o CMakeFiles/cmTC_b8daa.dir/CMakeCCompilerABI.c.o -c' -asm /tmp/nvczpcFlZn4rWzz.ll
+NVC++/x86-64 Linux 21.1-0: compilation successful
+
+/opt/nvidia/hpc_sdk/Linux_x86_64/21.1/compilers/share/llvm/bin/llc /tmp/nvczpcFlZn4rWzz.ll -march=x86-64 -mcpu=native -O1 -fast-isel=0 -non-global-value-max-name-size=4294967295 -x86-cmov-converter=0 -filetype=obj -o CMakeFiles/cmTC_b8daa.dir/CMakeCCompilerABI.c.o
+Unlinking /tmp/nvcjpcFBbmqiQuf.il
+Unlinking /tmp/nvcrpcFZmmAHpuz.s
+Unlinking /tmp/nvczpcFlZn4rWzz.ll
+Unlinking /tmp/nvcHpcFJmCQUbek.llvm
+Linking C executable cmTC_b8daa
+/host_pwd/Work/cmake/nvhpc_build/bin/cmake -E cmake_link_script CMakeFiles/cmTC_b8daa.dir/link.txt --verbose=1
+/opt/nvidia/hpc_sdk/Linux_x86_64/21.1/compilers/bin/nvc  -v CMakeFiles/cmTC_b8daa.dir/CMakeCCompilerABI.c.o -o cmTC_b8daa
+Export PGI_CURR_CUDA_HOME=/opt/nvidia/hpc_sdk/Linux_x86_64/21.1/cuda/
+Export NVCOMPILER=/opt/nvidia/hpc_sdk/Linux_x86_64/21.1
+Export PGI=/opt/nvidia/hpc_sdk
+
+/usr/bin/ld /usr/lib/x86_64-linux-gnu/crt1.o /usr/lib/x86_64-linux-gnu/crti.o /opt/nvidia/hpc_sdk/Linux_x86_64/21.1/compilers/lib/trace_init.o /usr/lib/gcc/x86_64-linux-gnu/9/crtbegin.o --eh-frame-hdr -m elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2 /opt/nvidia/hpc_sdk/Linux_x86_64/21.1/compilers/lib/nvhpc.ld -L/opt/nvidia/hpc_sdk/Linux_x86_64/21.1/compilers/lib -L/usr/lib64 -L/usr/lib/gcc/x86_64-linux-gnu/9 CMakeFiles/cmTC_b8daa.dir/CMakeCCompilerABI.c.o -rpath /opt/nvidia/hpc_sdk/Linux_x86_64/21.1/compilers/lib -rpath /usr/lib/gcc/x86_64-linux-gnu/9/../../../../lib64 -o cmTC_b8daa -L/usr/lib/gcc/x86_64-linux-gnu/9/../../../../lib64 -lnvomp -ldl --as-needed -lnvhpcatm -latomic --no-as-needed -lpthread --start-group -lnvcpumath -lnsnvc -lnvc --end-group -lm -lgcc -lc -lgcc -lgcc_s /usr/lib/gcc/x86_64-linux-gnu/9/crtend.o /usr/lib/x86_64-linux-gnu/crtn.o
+make[1]: Leaving directory '/root/parse_implicit_data/CMakeFiles/CMakeTmp'
diff --git a/Tests/RunCMake/ParseImplicitData/linux-CXX-NVHPC-21.1.0.input b/Tests/RunCMake/ParseImplicitData/linux-CXX-NVHPC-21.1.0.input
new file mode 100644
index 0000000000..64781b9aec
--- /dev/null
+++ b/Tests/RunCMake/ParseImplicitData/linux-CXX-NVHPC-21.1.0.input
@@ -0,0 +1,42 @@
+CMAKE_LANG=CXX
+CMAKE_LINKER=/usr/bin/ld
+CMAKE_CXX_COMPILER_ABI=
+CMAKE_CXX_COMPILER_AR=
+CMAKE_CXX_COMPILER_ARCHITECTURE_ID=
+CMAKE_CXX_COMPILER_EXTERNAL_TOOLCHAIN=
+CMAKE_CXX_COMPILER_ID=NVHPC
+CMAKE_CXX_COMPILER_LAUNCHER=
+CMAKE_CXX_COMPILER_LOADED=1
+CMAKE_CXX_COMPILER_RANLIB=
+CMAKE_CXX_COMPILER_TARGET=
+CMAKE_CXX_COMPILER_VERSION=21.1.0
+CMAKE_CXX_COMPILER_VERSION_INTERAL=
+Change Dir: /root/parse_implicit_data/CMakeFiles/CMakeTmp
+
+Run Build Command(s):/usr/bin/make -f Makefile cmTC_79118/fast && /usr/bin/make  -f CMakeFiles/cmTC_79118.dir/build.make CMakeFiles/cmTC_79118.dir/build
+make[1]: Entering directory '/root/parse_implicit_data/CMakeFiles/CMakeTmp'
+Building CXX object CMakeFiles/cmTC_79118.dir/CMakeCXXCompilerABI.cpp.o
+/opt/nvidia/hpc_sdk/Linux_x86_64/21.1/compilers/bin/nvc++   -v -o CMakeFiles/cmTC_79118.dir/CMakeCXXCompilerABI.cpp.o -c /host_pwd/Work/cmake/src/Modules/CMakeCXXCompilerABI.cpp
+Export PGI_CURR_CUDA_HOME=/opt/nvidia/hpc_sdk/Linux_x86_64/21.1/cuda/
+Export NVCOMPILER=/opt/nvidia/hpc_sdk/Linux_x86_64/21.1
+Export PGI=/opt/nvidia/hpc_sdk
+
+/opt/nvidia/hpc_sdk/Linux_x86_64/21.1/compilers/bin/tools/cpp1 --llalign -Dunix -D__unix -D__unix__ -Dlinux -D__linux -D__linux__ -D__NO_MATH_INLINES -D__LP64__ -D__x86_64 -D__x86_64__ -D__LONG_MAX__=9223372036854775807L '-D__SIZE_TYPE__=unsigned long int' '-D__PTRDIFF_TYPE__=long int' -D__amd64 -D__amd64__ -D__k8 -D__k8__ -D__MMX__ -D__SSE__ -D__SSE2__ -D__SSE3__ -D__SSSE3__ -D__SSE4_1__ -D__SSE4_2__ -D__AVX__ -D__AVX2__ -D__AVX512F__ -D__AVX512VL__ -D__FMA__ -D__XSAVE__ -D__POPCNT__ -D__FXSR__ -D__PGI -D__NVCOMPILER -D_GNU_SOURCE -D_PGCG_SOURCE -I- -I/opt/nvidia/hpc_sdk/Linux_x86_64/21.1/compilers/include-gcc70 -I/opt/nvidia/hpc_sdk/Linux_x86_64/21.1/compilers/include -I/usr/include/c++/9 -I/usr/include/x86_64-linux-gnu/c++/9 -I/usr/include/c++/9/backward -I/usr/lib/gcc/x86_64-linux-gnu/9/include -I/usr/local/include -I/usr/include/x86_64-linux-gnu -I/usr/include -I/opt/nvidia/hpc_sdk/Linux_x86_64/21.1/compilers/include-gcc70 -I/opt/nvidia/hpc_sdk/Linux_x86_64/21.1/compilers/include -I/usr/lib/gcc/x86_64-linux-gnu/9/include -I/usr/local/include -I/usr/include/x86_64-linux-gnu -I/usr/include -D__PGLLVM__ -D__NVCOMPILER_LLVM__ -D__extension__= --preinclude _cplus_preinclude.h --preinclude_macros _cplus_macros.h --gnu_version=90300 -D__pgnu_vsn=90300 -q -o /tmp/nvc++WCcFq4IEc6_D.il /host_pwd/Work/cmake/src/Modules/CMakeCXXCompilerABI.cpp
+
+/opt/nvidia/hpc_sdk/Linux_x86_64/21.1/compilers/bin/tools/cpp2 /host_pwd/Work/cmake/src/Modules/CMakeCXXCompilerABI.cpp -opt 1 -x 119 0xa10000 -x 122 0x40 -x 123 0x1000 -x 127 4 -x 127 17 -x 19 0x400000 -x 28 0x40000 -x 120 0x10000000 -x 70 0x8000 -x 122 1 -x 125 0x20000 -quad -x 59 4 -tp skylake -x 120 0x1000 -astype 0 -fn /host_pwd/Work/cmake/src/Modules/CMakeCXXCompilerABI.cpp -il /tmp/nvc++WCcFq4IEc6_D.il -x 117 0x200 -x 123 0x80000000 -x 123 4 -x 119 0x20 -def __pgnu_vsn=90300 -x 70 0x40000000 -x 183 4 -x 121 0x800 -x 6 0x20000 -x 249 100 -x 120 0x200000 -x 70 0x40000000 -x 8 0x40000000 -x 164 0x800000 -x 85 0x2000 -x 85 0x4000 -x 68 0x1 -x 39 4 -x 56 0x10 -x 26 0x10 -x 26 1 -x 56 0x4000 -y 163 0xc0000000 -x 189 0x10 -y 189 0x4000000 -gnuvsn 90300 -x 69 0x200 -x 123 0x400 -cmdline '+nvc++ /tmp/nvc++WCcFq4IEc6_D.il -v -o CMakeFiles/cmTC_79118.dir/CMakeCXXCompilerABI.cpp.o -c' -asm /tmp/nvc++WCcFqmjAQUnq.ll
+NVC++/x86-64 Linux 21.1-0: compilation successful
+
+/opt/nvidia/hpc_sdk/Linux_x86_64/21.1/compilers/share/llvm/bin/llc /tmp/nvc++WCcFqmjAQUnq.ll -march=x86-64 -mcpu=native -O1 -fast-isel=0 -non-global-value-max-name-size=4294967295 -x86-cmov-converter=0 -filetype=obj -o CMakeFiles/cmTC_79118.dir/CMakeCXXCompilerABI.cpp.o
+Unlinking /tmp/nvc++WCcFq4IEc6_D.il
+Unlinking /tmp/nvc++WCcFq65QYK7M.s
+Unlinking /tmp/nvc++WCcFqmjAQUnq.ll
+Unlinking /tmp/nvc++WCcFqUsdHmUV.llvm
+Linking CXX executable cmTC_79118
+/host_pwd/Work/cmake/nvhpc_build/bin/cmake -E cmake_link_script CMakeFiles/cmTC_79118.dir/link.txt --verbose=1
+/opt/nvidia/hpc_sdk/Linux_x86_64/21.1/compilers/bin/nvc++  -v CMakeFiles/cmTC_79118.dir/CMakeCXXCompilerABI.cpp.o -o cmTC_79118
+Export PGI_CURR_CUDA_HOME=/opt/nvidia/hpc_sdk/Linux_x86_64/21.1/cuda/
+Export NVCOMPILER=/opt/nvidia/hpc_sdk/Linux_x86_64/21.1
+Export PGI=/opt/nvidia/hpc_sdk
+
+/usr/bin/ld /usr/lib/x86_64-linux-gnu/crt1.o /usr/lib/x86_64-linux-gnu/crti.o /opt/nvidia/hpc_sdk/Linux_x86_64/21.1/compilers/lib/trace_init.o /usr/lib/gcc/x86_64-linux-gnu/9/crtbegin.o --eh-frame-hdr -m elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2 /opt/nvidia/hpc_sdk/Linux_x86_64/21.1/compilers/lib/nvhpc.ld -L/opt/nvidia/hpc_sdk/Linux_x86_64/21.1/compilers/lib -L/usr/lib64 -L/usr/lib/gcc/x86_64-linux-gnu/9 CMakeFiles/cmTC_79118.dir/CMakeCXXCompilerABI.cpp.o -rpath /opt/nvidia/hpc_sdk/Linux_x86_64/21.1/compilers/lib -rpath /usr/lib/gcc/x86_64-linux-gnu/9/../../../../lib64 -o cmTC_79118 -L/usr/lib/gcc/x86_64-linux-gnu/9/../../../../lib64 -latomic -lnvhpcatm -lstdc++ -lnvomp -ldl --as-needed -lnvhpcatm -latomic --no-as-needed -lpthread --start-group -lnvcpumath -lnsnvc -lnvc --end-group -lm -lgcc -lc -lgcc -lgcc_s /usr/lib/gcc/x86_64-linux-gnu/9/crtend.o /usr/lib/x86_64-linux-gnu/crtn.o
+make[1]: Leaving directory '/root/parse_implicit_data/CMakeFiles/CMakeTmp'
diff --git a/Tests/RunCMake/ParseImplicitIncludeInfo/ParseImplicitIncludeInfo.cmake b/Tests/RunCMake/ParseImplicitIncludeInfo/ParseImplicitIncludeInfo.cmake
index abd0eaa021..2d3abccb69 100644
--- a/Tests/RunCMake/ParseImplicitIncludeInfo/ParseImplicitIncludeInfo.cmake
+++ b/Tests/RunCMake/ParseImplicitIncludeInfo/ParseImplicitIncludeInfo.cmake
@@ -28,6 +28,7 @@ set(targets
     linux-Fortran-PGI-18.10.1 linux_pgf77-Fortran-PGI-18.10.1
     linux_nostdinc-C-PGI-18.10.1 linux_nostdinc-CXX-PGI-18.10.1
     linux_nostdinc-Fortran-PGI-18.10.1
+  linux-C-NVHPC-21.1.0-empty linux-CXX-NVHPC-21.1.0-empty
   linux-C-XL-12.1.0 linux-CXX-XL-12.1.0 linux-Fortran-XL-14.1.0
     linux_nostdinc-C-XL-12.1.0 linux_nostdinc-CXX-XL-12.1.0
     linux_nostdinc_i-C-XL-12.1.0 linux_nostdinc-CXX-XL-12.1.0
diff --git a/Tests/RunCMake/ParseImplicitIncludeInfo/results/linux-C-NVHPC-21.1.0-empty.output b/Tests/RunCMake/ParseImplicitIncludeInfo/results/linux-C-NVHPC-21.1.0-empty.output
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/Tests/RunCMake/ParseImplicitIncludeInfo/results/linux-C-NVHPC-21.1.0-empty.output
diff --git a/Tests/RunCMake/ParseImplicitIncludeInfo/results/linux-CXX-NVHPC-21.1.0-empty.output b/Tests/RunCMake/ParseImplicitIncludeInfo/results/linux-CXX-NVHPC-21.1.0-empty.output
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/Tests/RunCMake/ParseImplicitIncludeInfo/results/linux-CXX-NVHPC-21.1.0-empty.output
diff --git a/Tests/RunCMake/ParseImplicitLinkInfo/ParseImplicitLinkInfo.cmake b/Tests/RunCMake/ParseImplicitLinkInfo/ParseImplicitLinkInfo.cmake
index 87feda9097..1f3468b0e9 100644
--- a/Tests/RunCMake/ParseImplicitLinkInfo/ParseImplicitLinkInfo.cmake
+++ b/Tests/RunCMake/ParseImplicitLinkInfo/ParseImplicitLinkInfo.cmake
@@ -28,6 +28,7 @@ set(targets
     linux-Fortran-PGI-18.10.1 linux_pgf77-Fortran-PGI-18.10.1
     linux_nostdinc-C-PGI-18.10.1 linux_nostdinc-CXX-PGI-18.10.1
     linux_nostdinc-Fortran-PGI-18.10.1
+  linux-C-NVHPC-21.1.0 linux-CXX-NVHPC-21.1.0
   linux-C-XL-12.1.0 linux-CXX-XL-12.1.0 linux-Fortran-XL-14.1.0
     linux_nostdinc-C-XL-12.1.0 linux_nostdinc-CXX-XL-12.1.0
     linux_nostdinc_i-C-XL-12.1.0 linux_nostdinc-CXX-XL-12.1.0
@@ -132,6 +133,7 @@ foreach(t ${targets})
   # Need to handle files with empty entries for both libs or dirs
   set(implicit_lib_output "")
   set(idirs_output "")
+  set(implicit_objs "")
   set(library_arch_output "")
   file(STRINGS ${outfile} outputs)
   foreach(line IN LISTS outputs)
@@ -147,10 +149,11 @@ foreach(t ${targets})
   endforeach()
 
   cmake_parse_implicit_link_info("${input}" implicit_libs idirs implicit_fwks log
-      "${CMAKE_${lang}_IMPLICIT_OBJECT_REGEX}")
+      "${CMAKE_${lang}_IMPLICIT_OBJECT_REGEX}"
+      COMPUTE_IMPLICIT_OBJECTS implicit_objs)
 
   set(library_arch)
-  cmake_parse_library_architecture("${idirs}" library_arch)
+  cmake_parse_library_architecture(${lang} "${idirs}" "${implicit_objs}" library_arch)
 
   # File format
   # file(WRITE ${outfile} "libs=${implicit_libs}\ndirs=${idirs}\nlibrary_arch=${library_arch}")
diff --git a/Tests/RunCMake/ParseImplicitLinkInfo/results/linux-C-NVHPC-21.1.0.output b/Tests/RunCMake/ParseImplicitLinkInfo/results/linux-C-NVHPC-21.1.0.output
new file mode 100644
index 0000000000..e932be9058
--- /dev/null
+++ b/Tests/RunCMake/ParseImplicitLinkInfo/results/linux-C-NVHPC-21.1.0.output
@@ -0,0 +1,3 @@
+libs=nvomp;dl;nvhpcatm;atomic;pthread;nvcpumath;nsnvc;nvc;m;gcc;c;gcc;gcc_s
+dirs=/opt/nvidia/hpc_sdk/Linux_x86_64/21.1/compilers/lib;/usr/lib64;/usr/lib/gcc/x86_64-linux-gnu/9
+library_arch=x86_64-linux-gnu
diff --git a/Tests/RunCMake/ParseImplicitLinkInfo/results/linux-C-PGI-18.10.1.output b/Tests/RunCMake/ParseImplicitLinkInfo/results/linux-C-PGI-18.10.1.output
index dc17ce7b05..7931102721 100644
--- a/Tests/RunCMake/ParseImplicitLinkInfo/results/linux-C-PGI-18.10.1.output
+++ b/Tests/RunCMake/ParseImplicitLinkInfo/results/linux-C-PGI-18.10.1.output
@@ -1,3 +1,3 @@
 libs=pgmp;numa;pthread;pgmath;nspgc;pgc;m;gcc;c;gcc;gcc_s
 dirs=/mnt/pgi/linux86-64/18.10/lib;/usr/lib64;/usr/lib/gcc/x86_64-linux-gnu/7
-library_arch=
+library_arch=x86_64-linux-gnu
diff --git a/Tests/RunCMake/ParseImplicitLinkInfo/results/linux-CXX-NVHPC-21.1.0.output b/Tests/RunCMake/ParseImplicitLinkInfo/results/linux-CXX-NVHPC-21.1.0.output
new file mode 100644
index 0000000000..e7f7d05360
--- /dev/null
+++ b/Tests/RunCMake/ParseImplicitLinkInfo/results/linux-CXX-NVHPC-21.1.0.output
@@ -0,0 +1,3 @@
+libs=atomic;nvhpcatm;stdc++;nvomp;dl;nvhpcatm;atomic;pthread;nvcpumath;nsnvc;nvc;m;gcc;c;gcc;gcc_s
+dirs=/opt/nvidia/hpc_sdk/Linux_x86_64/21.1/compilers/lib;/usr/lib64;/usr/lib/gcc/x86_64-linux-gnu/9
+library_arch=x86_64-linux-gnu
diff --git a/Tests/RunCMake/ParseImplicitLinkInfo/results/linux-CXX-PGI-18.10.1.output b/Tests/RunCMake/ParseImplicitLinkInfo/results/linux-CXX-PGI-18.10.1.output
index a7c14d2727..cd15054cb4 100644
--- a/Tests/RunCMake/ParseImplicitLinkInfo/results/linux-CXX-PGI-18.10.1.output
+++ b/Tests/RunCMake/ParseImplicitLinkInfo/results/linux-CXX-PGI-18.10.1.output
@@ -1,3 +1,3 @@
 libs=atomic;pgatm;stdc++;pgmp;numa;pthread;pgmath;nspgc;pgc;m;gcc;c;gcc;gcc_s
 dirs=/mnt/pgi/linux86-64/18.10/lib;/usr/lib64;/usr/lib/gcc/x86_64-linux-gnu/7
-library_arch=
+library_arch=x86_64-linux-gnu
diff --git a/Tests/RunCMake/ParseImplicitLinkInfo/results/linux-Fortran-PGI-18.10.1.output b/Tests/RunCMake/ParseImplicitLinkInfo/results/linux-Fortran-PGI-18.10.1.output
index 955d540172..f3cc5518e1 100644
--- a/Tests/RunCMake/ParseImplicitLinkInfo/results/linux-Fortran-PGI-18.10.1.output
+++ b/Tests/RunCMake/ParseImplicitLinkInfo/results/linux-Fortran-PGI-18.10.1.output
@@ -1,3 +1,3 @@
 libs=pgf90rtl;pgf90;pgf90_rpm1;pgf902;pgf90rtl;pgftnrtl;pgmp;numa;pthread;pgmath;nspgc;pgc;rt;pthread;m;gcc;c;gcc;gcc_s
 dirs=/mnt/pgi/linux86-64/18.10/lib;/usr/lib64;/usr/lib/gcc/x86_64-linux-gnu/7
-library_arch=
+library_arch=x86_64-linux-gnu