Simplify some $ENABLE_DEBUG expressions

Change-Id: I9f60fd317f3a2995a182d51d06059bd994cf837c

external/curl/ExternalProject_curl.mk

@@ -51,7 +51,7 @@ $(call gb_ExternalProject_get_state_target,curl,build):
 			--disable-file --disable-ldap --disable-telnet --disable-dict --without-libssh2 \
 			$(if $(CROSS_COMPILING),--build=$(BUILD_PLATFORM) --host=$(HOST_PLATFORM)) \
 			$(if $(filter TRUE,$(DISABLE_DYNLOADING)),--disable-shared,--disable-static) \
-			$(if $(filter TRUE,$(ENABLE_DEBUG)),--enable-debug) \
+			$(if $(ENABLE_DEBUG),--enable-debug) \
 			$(if $(filter MACOSX,$(OS)),--prefix=/@.__________________________________________________OOO) \
 		&& cd lib \
 		&& $(MAKE) \
@@ -63,7 +63,7 @@ $(call gb_ExternalProject_get_state_target,curl,build):
 	$(call gb_ExternalProject_run,build,\
 		./configure --with-nss --without-ssl --enable-ftp --enable-ipv6 --disable-http --disable-gopher \
 			--disable-file --disable-ldap --disable-telnet --disable-dict --build=i586-pc-mingw32 --host=i586-pc-mingw32 \
-			$(if $(filter TRUE,$(ENABLE_DEBUG)),--enable-debug) \
+			$(if $(ENABLE_DEBUG),--enable-debug) \
 			CC="$(CC) -mthreads $(if $(MINGW_SHARED_GCCLIB),-shared-libgcc)" \
 			LIBS="-lws2_32 -lwinmm $(if $(MINGW_SHARED_GXXLIB),$(MINGW_SHARED_LIBSTDCPP))" \
 			LDFLAGS="$(patsubst ;, -L,$(ILIB))" \

external/firebird/ExternalProject_firebird.mk

@@ -50,7 +50,7 @@ $(call gb_ExternalProject_get_state_target,firebird,build):
 			--without-editline \
 			--disable-superserver \
 			--with-system-icu --without-fbsample --without-fbsample-db \
-			$(if $(filter TRUE,$(ENABLE_DEBUG)),--enable-debug) \
+			$(if $(ENABLE_DEBUG),--enable-debug) \
 			$(if $(CROSS_COMPILING),--build=$(BUILD_PLATFORM) --host=$(HOST_PLATFORM)) \
 			$(if $(filter IOS ANDROID,$(OS)),--disable-shared,--disable-static) \
 		&& $(if $(filter WNT,$(OS)),\

external/glew/ExternalProject_glew.mk

@@ -24,8 +24,8 @@ else
 
 $(call gb_ExternalProject_get_state_target,glew,build) :
 	$(call gb_ExternalProject_run,glew,\
-		$(if $(filter TRUE,$(ENABLE_DEBUG)),STRIP=) LD="$(CC)" \
-			$(MAKE) STRIP= glew.lib $(if $(filter DESKTOP,$(BUILD_TYPE)),$(if $(filter TRUE,$(ENABLE_DEBUG)),debug)) \
+		$(if $(ENABLE_DEBUG),STRIP=) LD="$(CC)" \
+			$(MAKE) STRIP= glew.lib $(if $(filter DESKTOP,$(BUILD_TYPE)),$(if $(ENABLE_DEBUG),debug)) \
 	)
 
 endif

external/libebook/ExternalProject_libebook.mk

@@ -34,7 +34,7 @@ $(call gb_ExternalProject_get_state_target,libebook,build) :
 			--without-docs \
 			--without-tools \
 			--disable-tests \
-			$(if $(filter TRUE,$(ENABLE_DEBUG)),--enable-debug,--disable-debug) \
+			$(if $(ENABLE_DEBUG),--enable-debug,--disable-debug) \
 			$(if $(VERBOSE)$(verbose),--disable-silent-rules,--enable-silent-rules) \
 			--disable-werror \
 			--disable-weffc \

external/libgltf/ExternalProject_libgltf.mk

@@ -68,7 +68,7 @@ $(call gb_ExternalProject_get_state_target,libgltf,build) :
 			--disable-shared \
 			--enable-static \
 			--with-pic \
-			$(if $(filter TRUE,$(ENABLE_DEBUG)),--enable-debug,--disable-debug) \
+			$(if $(ENABLE_DEBUG),--enable-debug,--disable-debug) \
 			--disable-werror \
 			BOOST_CFLAGS="$(if $(SYSTEM_BOOST),$(BOOST_CPPFLAGS),-I$(call gb_UnpackedTarball_get_dir,boost)) -I$(BUILDDIR)/config_$(gb_Side)" \
 			GLEW_CFLAGS="$(if $(SYSTEM_GLEW),$(GLEW_CFLAGS),-I$(call gb_UnpackedTarball_get_dir,glew)/include)" \

external/libmspub/ExternalProject_libmspub.mk

@@ -30,7 +30,7 @@ $(call gb_ExternalProject_get_state_target,libmspub,build) :
 			--disable-shared \
 			--without-docs \
 			--disable-tools \
-			$(if $(filter TRUE,$(ENABLE_DEBUG)),--enable-debug,--disable-debug) \
+			$(if $(ENABLE_DEBUG),--enable-debug,--disable-debug) \
 			--disable-werror \
 			--disable-weffc \
 			$(if $(VERBOSE)$(verbose),--disable-silent-rules,--enable-silent-rules) \

external/libmwaw/ExternalProject_libmwaw.mk

@@ -33,7 +33,7 @@ $(call gb_ExternalProject_get_state_target,libmwaw,build) :
 			--without-docs \
 			--disable-tools \
 			--disable-zip \
-			$(if $(filter TRUE,$(ENABLE_DEBUG)),--enable-debug,--disable-debug) \
+			$(if $(ENABLE_DEBUG),--enable-debug,--disable-debug) \
 			$(if $(VERBOSE)$(verbose),--disable-silent-rules,--enable-silent-rules) \
 			--disable-werror \
 			CXXFLAGS="$(if $(SYSTEM_BOOST),$(BOOST_CPPFLAGS),-I$(call gb_UnpackedTarball_get_dir,boost) -I$(BUILDDIR)/config_$(gb_Side))" \

external/libodfgen/ExternalProject_libodfgen.mk

@@ -30,7 +30,7 @@ $(call gb_ExternalProject_get_state_target,libodfgen,build) :
 			, \
 				--enable-shared --disable-static \
 			) \
-			$(if $(filter TRUE,$(ENABLE_DEBUG)),--enable-debug,--disable-debug) \
+			$(if $(ENABLE_DEBUG),--enable-debug,--disable-debug) \
 			--disable-werror \
 			--disable-weffc \
 			--without-docs \

external/liborcus/ExternalProject_liborcus.mk

@@ -96,7 +96,7 @@ $(call gb_ExternalProject_get_state_target,liborcus,build) :
 			--with-pic \
 			--enable-static \
 			--disable-shared \
-			$(if $(filter TRUE,$(ENABLE_DEBUG)),--enable-debug,--disable-debug) \
+			$(if $(ENABLE_DEBUG),--enable-debug,--disable-debug) \
 			--disable-spreadsheet-model \
 			--without-tools \
 			--disable-werror \

external/librevenge/ExternalProject_librevenge.mk

@@ -28,7 +28,7 @@ $(call gb_ExternalProject_get_state_target,librevenge,build) :
 			--with-pic \
 			--enable-shared \
 			--disable-static \
-			$(if $(filter TRUE,$(ENABLE_DEBUG)),--enable-debug,--disable-debug) \
+			$(if $(ENABLE_DEBUG),--enable-debug,--disable-debug) \
 			--disable-werror \
 			--disable-weffc \
 			--disable-streams \