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Add warning flags for the C compiler to VARIABLE, which defaults to WARN_CFLAGS. VARIABLE is AC_SUBST-ed by this macro, but must be manually added to the CFLAGS variable for each target in the code base.

This macro depends on the environment set up by AX_COMPILER_FLAGS. Specifically, it uses the value of $ax_enable_compile_warnings to decide which flags to enable.

Source Code

Download the latest version of ax_compiler_flags_cflags.m4 or browse the macro’s revision history.


Copyright © 2014, 2015 Philip Withnall
Copyright © 2017, 2018 Reini Urban

Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. This file is offered as-is, without any warranty.