skip checking for icuuc lib

cause its called icuucd under debug windows

and change the runtime load to try icuucd if MSVC_USE_DEBUG_RUNTIME
was in use at compile time

Change-Id: I10fbe4890a24364a45ae5993ad7e8079ac3fd182
Reviewed-on: https://gerrit.libreoffice.org/28210Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

external/firebird/ExternalProject_firebird.mk

@@ -55,6 +55,7 @@ $(call gb_ExternalProject_get_state_target,firebird,build):
 			) \
 			" \
 		&& export CXXFLAGS=" \
+			$(if $(filter MSC,$(COM)),$(if $(MSVC_USE_DEBUG_RUNTIME),-DMSVC_USE_DEBUG_RUNTIME)) \
 			$(if $(shell test '$(GCC_VERSION)' -ge 600 && echo yes),-fno-sized-deallocation -fno-delete-null-pointer-checks,) \
 			$(if $(SYSTEM_BOOST),$(BOOST_CPPFLAGS), \
 				$(BOOST_CPPFLAGS) \

external/firebird/UnpackedTarball_firebird.mk

@@ -19,6 +19,7 @@ $(eval $(call gb_UnpackedTarball_add_patches,firebird,\
 		external/firebird/firebird-rpath.patch.0 \
 		external/firebird/firebird-cloop-compiler.patch.1 \
 		external/firebird/firebird-gcc6.patch.1 \
+		external/firebird/wnt-dbgutil.patch \
 ))
 
 ifeq ($(OS)-$(COM),WNT-MSC)

external/firebird/wnt-dbgutil.patch

+--- configure
++++ configure
+@@ -18402,44 +18402,6 @@
+ fi
+ 
+ 
+-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -licuuc" >&5
+-$as_echo_n "checking for main in -licuuc... " >&6; }
+-if ${ac_cv_lib_icuuc_main+:} false; then :
+-  $as_echo_n "(cached) " >&6
+-else
+-  ac_check_lib_save_LIBS=$LIBS
+-LIBS="-licuuc  $LIBS"
+-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+-/* end confdefs.h.  */
+-
+-
+-int
+-main ()
+-{
+-return main ();
+-  ;
+-  return 0;
+-}
+-_ACEOF
+-if ac_fn_c_try_link "$LINENO"; then :
+-  ac_cv_lib_icuuc_main=yes
+-else
+-  ac_cv_lib_icuuc_main=no
+-fi
+-rm -f core conftest.err conftest.$ac_objext \
+-    conftest$ac_exeext conftest.$ac_ext
+-LIBS=$ac_check_lib_save_LIBS
+-fi
+-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_icuuc_main" >&5
+-$as_echo "$ac_cv_lib_icuuc_main" >&6; }
+-if test "x$ac_cv_lib_icuuc_main" = xyes; then :
+-  ICU_OK=yes
+-else
+-  as_fn_error $? "ICU support not found - please install development ICU package" "$LINENO" 5
+-fi
+-
+-
+-
+ pre_save_restore_cflags=$CFLAGS
+ pre_save_restore_cxxflags=$CXXFLAGS
+ pre_save_restore_libs=$LIBS
+--- src/common/unicode_util.cpp
++++ src/common/unicode_util.cpp
+@@ -58,8 +58,13 @@
+ 
+ namespace {
+ #if defined(WIN_NT)
++#if defined(MSVC_USE_DEBUG_RUNTIME)
++const char* const inTemplate = "icuind%s.dll";
++const char* const ucTemplate = "icuucd%s.dll";
++#else
+ const char* const inTemplate = "icuin%s.dll";
+ const char* const ucTemplate = "icuuc%s.dll";
++#endif
+ #elif defined(DARWIN)
+ //const char* const inTemplate = "/Library/Frameworks/Firebird.framework/Versions/A/Libraries/libicui18n.dylib";
+ //const char* const ucTemplate = "/Library/Frameworks/Firebird.framework/versions/A/Libraries/libicuuc.dylib";