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Remove more UWIN symbols (re: 0ea97b9d) and EMX support

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This removes support for the (AFAIK, completely unavailable) UWIN
preprocessor, which used directives that nothing else understands,
hidden behind the following macros:
	__STDPP__
	__STDPP__directive
	__STDPP__hide
This mailing list post from 2001 says that __STDPP__ is UWIN:
https://lists.gnu.org/archive/html/bug-groff/2001-04/msg00030.html

This also removes code hidden by the __EMX__ symbol. EMX (Eberhard
Mattes eXtender) was a programming environment and POSIX interface
for MS-DOS and OS/2. The last release was in 1998.
https://en.wikipedia.org/wiki/EMX_%28programming_environment%29
This commit is contained in:
Martijn Dekker 2022-07-21 15:41:22 +02:00
parent d9a85caf22
commit 4c0df0e617
32 changed files with 21 additions and 333 deletions
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2
src/cmd/INIT/C+probe
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@ -66,7 +66,7 @@ then tmpdir=$TMPDIR
else tmpdir=/tmp
fi
tmpdir=$tmpdir/probe$$
undef="define defined elif else endif error if ifdef ifndef include line pragma undef __STDC__ __STDPP__ __ARGC__ __BASE__ __BASE_FILE__ __DATE__ __FILE__ __FUNCTION__ __INCLUDE_LEVEL__ __LINE__ __PATH__ __TIME__ __TIMESTAMP__ __VERSION__"
undef="define defined elif else endif error if ifdef ifndef include line pragma undef __STDC__ __ARGC__ __BASE__ __BASE_FILE__ __DATE__ __FILE__ __FUNCTION__ __INCLUDE_LEVEL__ __LINE__ __PATH__ __TIME__ __TIMESTAMP__ __VERSION__"
version_flags=
version_stamp=
version_string=

5
src/cmd/INIT/iffe.sh
View file

@ -3579,10 +3579,7 @@ $inc
[abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ]:[\\/]*|[\\/]*)
success
case $o in
lcl) echo "#if defined(__STDPP__directive)"
echo "__STDPP__directive pragma pp:hosted"
echo "#endif"
echo "#include <$i> /* the native <$f.h> */"
lcl) echo "#include <$i> /* the native <$f.h> */"
echo "#undef $m"
usr="$usr$nl#define $m 1"
echo "#define $m 1"