Add query of default include/library paths for QNX

Change-Id: Iafc5a573a2ddb277d2a786cb6b48521985defe44
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>

mkspecs/features/toolchain.prf

@@ -25,9 +25,11 @@ isEmpty($${target_prefix}.INCDIRS) {
         !equals(QMAKE_HOST.os, Windows) {
             cmd_prefix = "LC_ALL=C"
             cmd_suffix = "</dev/null >/dev/null"
+            null_file = /dev/null
         } else {
             cmd_prefix = "set LC_ALL=C&"
             cmd_suffix = "<NUL >NUL"
+            null_file = NUL
         }
 
         cxx_flags = $$QMAKE_CXXFLAGS
@@ -40,7 +42,10 @@ isEmpty($${target_prefix}.INCDIRS) {
         # QMAKE_DEFAULT_*DIRS, because they're handled in a single build pass.
         darwin: cxx_flags += -isysroot $$QMAKE_MAC_SDK_PATH
 
-        clang: \
+        rim_qcc: \
+            # Need the cc1plus and ld command lines to pick up the paths
+            cxx_flags += $$QMAKE_LFLAGS_SHLIB -o $$null_file -v
+        else: clang: \
             # Need to link to pick up library paths
             cxx_flags += $$QMAKE_LFLAGS_SHLIB -o /dev/null -v -Wl,-v
         else: \
@@ -50,35 +55,59 @@ isEmpty($${target_prefix}.INCDIRS) {
         output = $$system("$$cmd_prefix $$QMAKE_CXX $$qtMakeExpand($$cxx_flags) -xc++ - 2>&1 $$cmd_suffix", lines, ec)
         !equals(ec, 0): \
             error("Cannot run compiler '$$QMAKE_CXX'. Maybe you forgot to setup the environment?")
-        add_includes = false
+
-        add_libraries = false
+        rim_qcc {
-        for (line, output) {
+            for (line, output) {
-            line ~= s/^[ \\t]*//  # remove leading spaces
+                contains(line, "^[^ ]*cc1plus .*") {
-            contains(line, "LIBRARY_PATH=.*") {
+                    take_next = false
-                line ~= s/^LIBRARY_PATH=//  # remove leading LIBRARY_PATH=
+                    for (parameter, $$list($$line)) {
-                paths = $$split(line, $$QMAKE_DIRLIST_SEP)
+                        $$take_next {
-                for (path, paths): \
+                            QMAKE_DEFAULT_INCDIRS += $$clean_path($$parameter)
-                    QMAKE_DEFAULT_LIBDIRS += $$clean_path($$path)
+                            take_next = false
-            } else: contains(line, "Library search paths:") {
+                        } else: equals(parameter, "-isystem") {
-                add_libraries = true
+                            take_next = true
-            } else: contains(line, "$${LITERAL_HASH}include <.*") {  # #include <...> search starts here:
+                        }
-                add_includes = true
+                    }
-            } else: contains(line, "End of search.*") {
+                } else: contains(line, "^[^ ]*-ld .*") {
-                add_includes = false
+                    for (parameter, $$list($$line)) {
-            } else: $$add_libraries {
+                        contains(parameter, "^-L.*") {
-                # We assume all library search paths are absolute
+                            parameter ~= s/^-L//
-                !contains(line, "^/.*") {
+                            QMAKE_DEFAULT_LIBDIRS += $$clean_path($$parameter)
-                    add_libraries = false
+                        }
-                    next()
+                    }
+                }
+            }
+        } else {
+            add_includes = false
+            add_libraries = false
+            for (line, output) {
+                line ~= s/^[ \\t]*//  # remove leading spaces
+                contains(line, "LIBRARY_PATH=.*") {
+                    line ~= s/^LIBRARY_PATH=//  # remove leading LIBRARY_PATH=
+                    paths = $$split(line, $$QMAKE_DIRLIST_SEP)
+                    for (path, paths): \
+                        QMAKE_DEFAULT_LIBDIRS += $$clean_path($$path)
+                } else: contains(line, "Library search paths:") {
+                    add_libraries = true
+                } else: contains(line, "$${LITERAL_HASH}include <.*") {  # #include <...> search starts here:
+                    add_includes = true
+                } else: contains(line, "End of search.*") {
+                    add_includes = false
+                } else: $$add_libraries {
+                    # We assume all library search paths are absolute
+                    !contains(line, "^/.*") {
+                        add_libraries = false
+                        next()
+                    }
+                    QMAKE_DEFAULT_LIBDIRS += $$clean_path($$line)
+                } else: $$add_includes {
+                    !contains(line, ".* \\(framework directory\\)"): \
+                        QMAKE_DEFAULT_INCDIRS += $$clean_path($$line)
                 }
-                QMAKE_DEFAULT_LIBDIRS += $$clean_path($$line)
-            } else: $$add_includes {
-                !contains(line, ".* \\(framework directory\\)"): \
-                    QMAKE_DEFAULT_INCDIRS += $$clean_path($$line)
             }
         }
         isEmpty(QMAKE_DEFAULT_LIBDIRS)|isEmpty(QMAKE_DEFAULT_INCDIRS): \
-            !if(qnx|integrity): \
+            !integrity: \
                 error("failed to parse default search paths from compiler output")
         QMAKE_DEFAULT_LIBDIRS = $$unique(QMAKE_DEFAULT_LIBDIRS)
     } else: msvc {