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Code Issues Releases Activity

meson: Add option to generate DWARF symbols on Windows

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By default, it is evaluated to CodeView since this is the format we
use on .exe installer and .msix for many reasons (see git log).

However, some people may not use standard debugging tools for
Windows but, for example, GDB, so they need DWARF symbols since
GDB debugger (and the GCC toolchain) have limited Windows support.
This commit is contained in:
Bruno Lopes
2025-08-15 11:27:54 -03:00
parent b4eda82a93
commit a6545f3511
2 changed files with 25 additions and 9 deletions
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32
meson.build
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@@ -322,19 +322,32 @@ endif
if platform_windows and cc.get_id() == 'clang'
# Optimize DWARF symbols to Dr. Mingw
# https://github.com/jrfonseca/drmingw/issues/42
compiler_args += '-gdwarf-aranges'
# Workaround to get colored output
# https://github.com/msys2/MINGW-packages/issues/2988
compiler_args += '-fansi-escape-codes'
endif
# Generate native .pdb (CodeView) debug symbols (for DIA or DbgHelp debuggers and LLDB)
pdb_support = cc.has_argument('-gcodeview') and cc.has_link_argument('-Wl,--pdb=')
if platform_windows and pdb_support and cc.get_id() == 'clang'
compiler_args += '-gcodeview'
linker_args += '-Wl,--pdb='
# DEBUG SYMBOLS
debugging_format = 'disabled'
if get_option('buildtype') == 'debug' or get_option('buildtype') == 'debugoptimized'
if not platform_windows
# DWARF symbols for GCC and LLDB on Unix
debugging_format = 'native'
elif platform_windows and get_option('win-debugging') == 'native' and cc.has_argument('-gcodeview') and cc.has_link_argument('-Wl,--pdb=') and cc.get_id() == 'clang'
# CodeView symbols for DIA or DbgHelp debuggers and LLDB on Windows
debugging_format = 'native'
compiler_args += '-gcodeview'
linker_args += '-Wl,--pdb='
else
# DWARF symbols for GCC and LLDB on Windows (fallback)
debugging_format = 'DWARF'
if cc.get_id() == 'clang'
# Optimize DWARF symbols to Dr. Mingw
# https://github.com/jrfonseca/drmingw/issues/42
compiler_args += '-gdwarf-aranges'
endif
endif
endif
@@ -2044,7 +2057,7 @@ pkgconfig.generate(libgimpui,
# Install native debug data (.pdb) on Windows
# Ideally meson should take care of it automatically.
# See: https://github.com/mesonbuild/meson/issues/12977
if platform_windows and pdb_support and cc.get_id() == 'clang'
if debugging_format == 'native'
install_win_debug_script = find_program('build/windows/2_bundle-gimp-uni_sym.py')
meson.add_install_script(install_win_debug_script)
endif
@@ -2094,6 +2107,7 @@ final_message = [
''' Default ICC directory (Linux): @0@'''.format(icc_directory),
''' 32-bit DLL folder (Win32): @0@'''.format(get_option('win32-32bits-dll-folder')),
''' Dashboard backtraces: @0@'''.format(dashboard_backtrace),
''' Debug symbols format: @0@'''.format(debugging_format),
''' Binary symlinks: @0@'''.format(enable_default_bin),
''' OpenMP: @0@'''.format(have_openmp),
'',