Build: fix non-existent merge modules for MS Visual Studio Express versions

Change-Id: Id19f3fde0803e9242ca1e7279fd814262c74f6ef
Reviewed-on: https://gerrit.libreoffice.org/4182Reviewed-by: Andras Timar <atimar@suse.com>
Tested-by: Andras Timar <atimar@suse.com>

configure.ac

@@ -4831,6 +4831,7 @@ find_winsdk()
 
 find_msms()
 {
+AC_MSG_NOTICE([checking msms ======================================================])
     for ver in 10.0 11.0; do
         reg_get_value HKEY_LOCAL_MACHINE/SOFTWARE/Microsoft/VisualStudio/$ver/Setup/VS/MSMDir
         if test -n "$regvalue"; then
@@ -4847,10 +4848,15 @@ find_msms()
     msmdir=`cygpath -d "$msmdir"`
     msmdir=`cygpath -u "$msmdir"`
     if test -z "$msmdir"; then
-        AC_MSG_ERROR([Merge modules not found])
+        if test "$ENABLE_RELEASE_BUILD" = "FALSE" ; then
+            AC_MSG_WARN([Merge modules not found in $msmdir])
+            msmdir=""
+        else
+            AC_MSG_ERROR([Merge modules not found in $msmdir])
         fi
-
+    else
         msms="Microsoft_VC${VCVER}_CRT_x86.msm"
+    fi
 }
 
 find_msvc_x64_dlls()
@@ -6052,6 +6058,7 @@ if test $_os = "WINNT" -a "$WITH_MINGW" != yes; then
     MERGE_MODULES="$msms"
     SCPDEFS="$SCPDEFS -DWITH_VC${VCVER}_REDIST"
 fi
+
 AC_SUBST(MSVC_DLL_PATH)
 AC_SUBST(MSVC_DLLS)
 AC_SUBST(MSVC_DEBUG_DLL_PATH)

external/Module_external.mk

@@ -24,7 +24,7 @@ endif
 ifeq ($(COM),MSC)
 $(eval $(call gb_Module_add_targets,external,\
 	Package_dbghelp \
-	Package_msms \
+	$(if $(MSM_PATH),Package_msms) \
 	Package_msvc_dlls \
 	$(if $(MSVC_USE_DEBUG_RUNTIME),Package_msvc_dlls_debug) \
 	$(if $(filter YES,$(WITH_MOZAB4WIN)),Package_msvc80_dlls) \

scp2/InstallModule_windows.mk

@@ -21,7 +21,7 @@ $(eval $(call gb_InstallModule_add_defs,scp2/windows,\
 
 $(eval $(call gb_InstallModule_add_scpfiles,scp2/windows,\
     scp2/source/ooo/folder_ooo \
-    scp2/source/ooo/vc_redist \
+    $(if $(MSM_PATH),scp2/source/ooo/vc_redist) \
     scp2/source/ooo/windowscustomaction_ooo \
 ))