make update_pch also work with libs in external/

Change-Id: I65b3461fd227e7e997b82a84631bbd5d00b28eb6
Reviewed-on: https://gerrit.libreoffice.org/72520
Tested-by: Jenkins
Reviewed-by: Luboš Luňák <l.lunak@collabora.com>

bin/update_pch

@@ -520,7 +520,9 @@ def sort_by_category(list, root, module, filter_local):
 def parse_makefile(groups, lines, lineno, lastif, ifstack):
 
     inobjects = False
+    ingeneratedobjects = False
     inelse = False
+    suffix = 'cxx'
     os_cond_re = re.compile('(ifeq|ifneq)\s*\(\$\(OS\)\,(\w*)\)')
 
     line = lines[lineno]
@@ -542,12 +544,21 @@ def parse_makefile(groups, lines, lineno, lastif, ifstack):
 
         if line == '))':
             inobjects = False
+            ingeneratedobjects = False
         elif 'add_exception_objects' in line or \
              'add_cxxobject' in line:
              inobjects = True
              #print('inobjects')
              #if ifstack and not SILENT:
                 #sys.stderr.write('Sources in a conditional, ignoring for now.\n')
+        elif 'add_generated_exception_objects' in line or \
+             'add_generated_cxxobject' in line:
+             ingeneratedobjects = True
+        elif 'set_generated_cxx_suffix' in line:
+            suffix_re = re.compile('.*set_generated_cxx_suffix,[^,]*,([^)]*).*')
+            match = suffix_re.match(line)
+            if match:
+                suffix = match.group(1)
         elif line.startswith('if'):
             lineno = parse_makefile(groups, lines, lineno, line, ifstack+1)
             continue
@@ -557,10 +568,10 @@ def parse_makefile(groups, lines, lineno, lastif, ifstack):
             continue
         elif line.startswith('else'):
             inelse = True
-        elif inobjects:
+        elif inobjects or ingeneratedobjects:
             if EXCLUDE_SYSTEM and ifstack:
                 continue
-            file = line + '.cxx'
+            file = line + '.' + suffix
             if ',' in line or '(' in line or ')' in line:
                 #print('passing: ' + line)
                 pass # $if() probably, or something similar
@@ -582,6 +593,8 @@ def parse_makefile(groups, lines, lineno, lastif, ifstack):
 
                 if osname not in groups:
                     groups[osname] = []
+                if ingeneratedobjects:
+                    file = 'workdir/' + file
                 groups[osname].append(file)
 
     return groups

bin/update_pch.sh

@@ -42,6 +42,9 @@ for x in $headers; do
         header=$x
         echo updating `echo $header | sed -e s%$root/%%`
         module=`readlink -f $header | sed -e s%$root/%% -e s%/.*%%`
+        if [ "$module" = "external" ]; then
+            module=external/`readlink -f $header | sed -e s%$root/external/%% -e s%/.*%%`
+        fi
         libname=`echo $header | sed -e s/.*precompiled_// -e s/\.hxx//`
 
         ./bin/update_pch "$module" "$libname"