Difference between CPPFLAGS and CXXFLAGS in GNU Make

by

CPPFLAGS is supposed to be for flags for the C PreProcessor; CXXFLAGS is for flags for the C++ compiler.

The default rules in make (on my machine, at any rate) pass CPPFLAGS to just about everything, CFLAGS is only passed when compiling and linking C, and CXXFLAGS is only passed when compiling and linking C++.

More Related Contents:

  1. What is the difference between the GNU Makefile variable assignments =, ?=, := and +=?
  2. Recursive wildcards in GNU make?
  3. Define make variable at rule execution time
  4. What do @, – and + do as prefixes to recipe lines in Make?
  5. How to place object files in separate subdirectory
  6. Getting make to create object files in a specific directory
  7. How do you get the list of targets in a makefile?
  8. How to get current relative directory of your Makefile?
  9. Why .SECONDARY does not work with patterns (%) while .PRECIOUS does?
  10. Building C-program “out of source tree” with GNU make
  11. How do I write the ‘cd’ command in a makefile?
  12. How can I configure my makefile for debug and release builds?
  13. Run make in each subdirectory
  14. Wildcard targets in a Makefile
  15. Suppress make rule error output
  16. How to print out a variable in makefile
  17. What does @: (at symbol colon) mean in a Makefile?
  18. Force gnu make to rebuild objects affected by compiler definition
  19. What is the purpose of .PHONY in a Makefile?
  20. OS detecting makefile
  21. How to generate a Makefile with source in sub-directories using just one makefile
  22. GNU Makefile rule generating a few targets from a single source file
  23. What’s the opposite of ‘make install’, i.e. how do you uninstall a library in Linux?
  24. How do I check if file exists in Makefile so I can delete it?
  25. Is it possible to set CFLAGS to a linux kernel module Makefile?
  26. How to ensure a target is run before all the other build rules in a makefile?
  27. What are Makefile.am and Makefile.in?
  28. CFLAGS vs CPPFLAGS
  29. CMAKE_MAKE_PROGRAM not found
  30. Generic rule from makefile to CMake

Leave a Comment