主页 / coding / 问题 / 79299976
Accepted
Vlastimil Burián
Asked: 2024-12-22 03:22:38 +0800 CST

BSD make 在我的 Makefile 上出错，而​​ GNU make 则说没有问题

  • 772

BSDmake出错了，Makefile而 GNUmake没有问题，我想知道是否可以使它与 BSD 兼容？我现在不打算移植该程序，但我认为将来一切皆有可能。谢谢。

产生的确切错误：

bmake: don't know how to make .force_rebuild. Stop

我的Makefile：

# Use the latest version of the compiler on Debian 12 OS, arm64 platform:
CXX=g++-12

# Use the official standard;
# Optimize for speed;
# Stop on all warnings;
# Do not include debug symbols:
CXXFLAGS=-std=c++17 -O3 -Wall -Wextra -Werror -Wpedantic -pedantic-errors

# The name of the resulting executable file:
APP_NAME=auto-fan-control

# The name of the C++ source code file:
SRC_FILE=$(APP_NAME).cpp

# Possibly not doing anything when using GNU make;
# You may see this for an explanation:
# https://www.gnu.org/software/make/manual/html_node/Special-Targets.html#index-POSIX_002dconforming-mode_002c-setting
.POSIX:

# You may see this for an explanation:
# https://stackoverflow.com/a/70199176/1997354
# Force re-build work-around:
.PHONY: .force_rebuild
$(APP_NAME): .force_rebuild

$(APP_NAME): $(SRC_FILE)
    @printf '%s' 'Compiling...'
    @$(CXX) $(CXXFLAGS) $(SRC_FILE) -o $(APP_NAME)
    @printf '%s\n' ' Done.'
    @strip -s $(APP_NAME)
    @printf '%s\n' 'Running program... '
    @./$(APP_NAME)

在我的测试电脑上，我的 GNUmake版本是：

$ apt-cache policy make
make:
  Installed: 4.3-4.1build2
  Candidate: 4.3-4.1build2
  Version table:
 *** 4.3-4.1build2 500
        500 https://archive.ubuntu.com/ubuntu noble/main amd64 Packages
        100 /var/lib/dpkg/status

它构建了我的二进制文件并运行良好：

$ learn-cpp 
/home/vlastimil/Development/cpp/rpi4-temperature-moninor--and-fan-control
$ make
Compiling... Done.
Running program... 
25.0°C
c++

1 个回答

  1. Best Answer

    我怀疑这Makefile在 GNU make 中能否成功。正如报告的那样，缺少目标.force_rebuild，GNU make 和 BSD bmake 都失败了。像在 中引用的链接中添加目标一样Makefile。

    .PHONY: .force_rebuild
.force_rebuild:

$(APP_NAME): .force_rebuild
    • 3

相关问题