Add frozen library support - for compile-time dict, set support

Change-Id: I8fa02569ba02048cc3ef02b349aafba1c0cbebb4
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/153173
Reviewed-by: Taichi Haradaguchi <20001722@ymail.ne.jp>
Tested-by: Jenkins
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>

Makefile.fetch

@@ -125,6 +125,7 @@ $(WORKDIR)/download: $(BUILDDIR)/config_$(gb_Side).mk $(SRCDIR)/download.lst $(S
 		$(call fetch_Optional,FONTCONFIG,FONTCONFIG_TARBALL) \
 		$(call fetch_Optional,FREEHAND,FREEHAND_TARBALL) \
 		$(call fetch_Optional,FREETYPE,FREETYPE_TARBALL) \
+		FROZEN_TARBALL \
 		$(call fetch_Optional,EPOXY,EPOXY_TARBALL) \
 		$(call fetch_Optional,GLM,GLM_TARBALL) \
 		$(call fetch_Optional,GPGMEPP,GPGME_TARBALL) \

RepositoryExternal.mk

@@ -4297,4 +4297,14 @@ endif # ENABLE_ZXING
 
 endif # SYSTEM_ZXING
 
+
+define gb_LinkTarget__use_frozen
+$(call gb_LinkTarget_use_unpacked,$(1),frozen)
+$(call gb_LinkTarget_set_include,$(1),\
+	-I$(call gb_UnpackedTarball_get_dir,frozen/include/)\
+	$$(INCLUDE) \
+)
+endef
+
+
 # vim: set noet sw=4 ts=4:

download.lst

@@ -202,6 +202,11 @@ FREETYPE_TARBALL := freetype-2.13.0.tar.xz
 # three static lines
 # so that git cherry-pick
 # will not run into conflicts
+FROZEN_SHA256SUM := f7c7075750e8fceeac081e9ef01944f221b36d9725beac8681cbd2838d26be45
+FROZEN_TARBALL := frozen-1.1.1.tar.gz
+# three static lines
+# so that git cherry-pick
+# will not run into conflicts
 GLM_SHA256SUM := 6bba5f032bed47c73ad9397f2313b9acbfb56253d0d0576b5873d3dcb25e99ad
 GLM_TARBALL := glm-0.9.9.8.zip
 # three static lines

external/Module_external.mk

@@ -41,6 +41,7 @@ $(eval $(call gb_Module_add_moduledirs,external,\
 	$(call gb_Helper_optional,FONTCONFIG,fontconfig) \
 	$(call gb_Helper_optional,FREEHAND,libfreehand) \
 	$(call gb_Helper_optional,FREETYPE,freetype) \
+	frozen \
 	$(call gb_Helper_optional,GLM,glm) \
 	$(call gb_Helper_optional,GPGMEPP,gpgmepp) \
 	$(call gb_Helper_optional,GRAPHITE,graphite) \

external/frozen/Module_frozen.mk

@@ -0,0 +1,16 @@
+# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t; fill-column: 100 -*-
+#
+# This file is part of the LibreOffice project.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+
+$(eval $(call gb_Module_Module,frozen))
+
+$(eval $(call gb_Module_add_targets,frozen,\
+    UnpackedTarball_frozen \
+))
+
+# vim: set noet sw=4 ts=4:

external/frozen/README.md

@@ -0,0 +1,7 @@
+External header only library frozen
+
+Header-only library that provides 0 cost initialization for immutable containers, fixed-size containers, and various algorithms.
+
+https://github.com/serge-sans-paille/frozen
+
+Release archives at: https://github.com/serge-sans-paille/frozen/tags

external/frozen/UnpackedTarball_frozen.mk

@@ -0,0 +1,18 @@
+# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t; fill-column: 100 -*-
+#
+# This file is part of the LibreOffice project.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+
+$(eval $(call gb_UnpackedTarball_UnpackedTarball,frozen))
+
+$(eval $(call gb_UnpackedTarball_set_tarball,frozen,$(FROZEN_TARBALL)))
+
+$(eval $(call gb_UnpackedTarball_add_patches,frozen,\
+	external/frozen/defines_h_constexpr_string.patch.0 \
+))
+
+# vim: set noet sw=4 ts=4:

external/frozen/defines_h_constexpr_string.patch.0

@@ -0,0 +1,11 @@
+--- include/frozen/bits/defines.h
++++ include/frozen/bits/defines.h
+@@ -59,7 +59,7 @@
+   #define FROZEN_LETITGO_HAS_DEDUCTION_GUIDES
+ #endif
+
+-#if __cpp_lib_constexpr_string >= 201907L
++#if defined(__cpp_lib_constexpr_string) && __cpp_lib_constexpr_string >= 201907L
+   #define FROZEN_LETITGO_HAS_CONSTEXPR_STRING
+ #endif
+