--gdb-index flags should be used only when linking with symbols

Change-Id: I32681fd56367c583efc55ab11c0bc59aaf845b86
Reviewed-on: https://gerrit.libreoffice.org/70367
Tested-by: Jenkins
Reviewed-by: Luboš Luňák <l.lunak@collabora.com>

solenv/gbuild/LinkTarget.mk

@@ -50,7 +50,7 @@ gb_LinkTarget__get_debugflags=$(if $(ENABLE_OPTIMIZED),$(gb_COMPILEROPTFLAGS),$(
 # but moreover strip debug from libraries for which debuginfo is not wanted
 # (some libraries reuse .o files from other libraries, notably unittests)
 gb_LinkTarget__get_stripldflags=$(if $(strip $(CFLAGS)$(CXXFLAGS)$(OBJCFLAGS)$(OBJCXXFLAGS)$(LDFLAGS)),,$(gb_LINKERSTRIPDEBUGFLAGS))
-gb_LinkTarget__get_debugldflags=$(if $(call gb_LinkTarget__debug_enabled,$(1)),,$(gb_LINKEROPTFLAGS) $(call gb_LinkTarget__get_stripldflags,$(1)))
+gb_LinkTarget__get_debugldflags=$(if $(call gb_LinkTarget__debug_enabled,$(1)),$(gb_DEBUGINFO_FLAGS),$(gb_LINKEROPTFLAGS) $(call gb_LinkTarget__get_stripldflags,$(1)))
 
 # generic cflags/cxxflags to use (optimization flags, debug flags)
 # user supplied CFLAGS/CXXFLAGS override default debug/optimization flags

solenv/gbuild/platform/com_GCC_defs.mk

@@ -85,12 +85,6 @@ endif
 
 gb_CXXFLAGS_Wundef = -Wno-undef
 
-ifeq ($(ENABLE_GDB_INDEX),TRUE)
-gb_LinkTarget_LDFLAGS += -Wl,--gdb-index
-gb_CFLAGS_COMMON += -ggnu-pubnames
-gb_CXXFLAGS_COMMON += -ggnu-pubnames
-endif
-
 ifeq ($(strip $(gb_GCOV)),YES)
 gb_CFLAGS_COMMON += -fprofile-arcs -ftest-coverage
 gb_CXXFLAGS_COMMON += -fprofile-arcs -ftest-coverage
@@ -199,11 +193,17 @@ gb_DEBUGINFO_FLAGS=-ggdb2
 else
 gb_DEBUGINFO_FLAGS=-g2
 endif
+gb_LINKER_DEBUGINFO_FLAGS=
 
 ifeq ($(HAVE_GCC_SPLIT_DWARF),TRUE)
 gb_DEBUGINFO_FLAGS+=-gsplit-dwarf
 endif
 
+ifeq ($(ENABLE_GDB_INDEX),TRUE)
+gb_LINKER_DEBUGINFO_FLAGS += -Wl,--gdb-index
+gb_DEBUGINFO_FLAGS += -ggnu-pubnames
+endif
+
 gb_LinkTarget_INCLUDE :=\
     $(SOLARINC) \
     -I$(BUILDDIR)/config_$(gb_Side) \

solenv/gbuild/platform/com_MSC_defs.mk

@@ -259,6 +259,8 @@ gb_DEBUGINFO_FLAGS := \
 	-FS \
 	-Zi \
 
+gb_LINKER_DEBUGINFO_FLAGS=
+
 gb_COMPILEROPTFLAGS := -O2 -Oy-
 gb_COMPILERNOOPTFLAGS := -Od
 

solenv/gbuild/platform/iOS.mk

@@ -30,6 +30,7 @@ include $(GBUILDDIR)/platform/com_GCC_defs.mk
 
 # Use standard lldb debugger
 gb_DEBUGINFO_FLAGS=-g
+gb_LINKER_DEBUGINFO_FLAGS=
 
 # Darwin mktemp -t expects a prefix, not a pattern
 gb_MKTEMP := /usr/bin/mktemp -t gbuild.