### verbose.mk --- Makefile fragment for GNU Emacs during ### cross-compilation. ## Copyright (C) 2023-2024 Free Software Foundation, Inc. ## This file is part of GNU Emacs. ## GNU Emacs is free software: you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published by ## the Free Software Foundation, either version 3 of the License, or ## (at your option) any later version. ## ## GNU Emacs is distributed in the hope that it will be useful, ## but WITHOUT ANY WARRANTY; without even the implied warranty of ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ## GNU General Public License for more details. ## ## You should have received a copy of the GNU General Public License ## along with GNU Emacs. If not, see . # 'make' verbosity. V = 0 ifeq (${V},1) AM_V_AR = AM_V_at = AM_V_CC = AM_V_CXX = AM_V_CCLD = AM_V_CXXLD = AM_V_GEN = else # Whether $(info ...) works. This is to work around a bug in GNU Make # 4.3 and earlier, which implements $(info MSG) via two system calls # { write (..., "MSG", 3); write (..., "\n", 1); } # which looks bad when make -j interleaves two of these at about the same time. # # Later versions of GNU Make have the 'notintermediate' feature, # so assume that $(info ...) works if this feature is present. # have_working_info = $(filter notintermediate,$(value .FEATURES)) # # The workaround is to use the shell and 'echo' rather than $(info ...). # The workaround is done only for AM_V_ELC and AM_V_ELN, # since the bug is not annoying elsewhere. . := AM_V_AR = @$(info $. AR $@) AM_V_at = @ AM_V_CC = @$(info $. CC $@) AM_V_CXX = @$(info $. CXX $@) AM_V_CCLD = @$(info $. CCLD $@) AM_V_CXXLD = @$(info $. CXXLD $@) AM_V_GEN = @$(info $. GEN $@) AM_V_NO_PD = --no-print-directory endif