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Document MakeMakefile#append_cflags

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This method is at least 7 years old and is widely used in the wild.
Since we need to support it, let's document it to make it discoverable.
Add docs and move it out of the `# :stopdoc:` zone.
This commit is contained in:
Alan Wu 2022-04-04 15:23:42 -04:00
parent 3bb70a6924
commit 2304cfa4c0
Notes: git 2022-04-06 01:58:30 +09:00 
Merged: https://github.com/ruby/ruby/pull/5760
1 changed files with 15 additions and 10 deletions
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25
lib/mkmf.rb
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@ -680,16 +680,6 @@ MSG
try_compile(MAIN_DOES_NOTHING, flags, {:werror => true}.update(opts))
end
def append_cflags(flags, *opts)
Array(flags).each do |flag|
if checking_for("whether #{flag} is accepted as CFLAGS") {
try_cflags(flag, *opts)
}
$CFLAGS << " " << flag
end
end
end
def with_ldflags(flags)
ldflags = $LDFLAGS
$LDFLAGS = flags.dup
@ -1024,6 +1014,21 @@ SRC
# :startdoc:
# Check whether each given C compiler flag is acceptable and append it
# to <tt>$CFLAGS</tt> if so.
#
# [+flags+] a C compiler flag as a +String+ or an +Array+ of them
#
def append_cflags(flags, *opts)
Array(flags).each do |flag|
if checking_for("whether #{flag} is accepted as CFLAGS") {
try_cflags(flag, *opts)
}
$CFLAGS << " " << flag
end
end
end
# Returns whether or not +macro+ is defined either in the common header
# files or within any +headers+ you provide.
#