On Apr 28, 2020, Bernhard Reutner-Fischer <rep.dot....@gmail.com> wrote:

> ISTM the corresponding documentation hunk for sourcebuild.texi  is missing.

Thanks, I wasn't aware that testsuite effective targets were documented
there.

Here's the missing documentation.  Tested with 'make info' on
x86_64-linux-gnu.  Ok to install?


document effective target fileio

From: Alexandre Oliva <ol...@adacore.com>

check_effective_target_fileio was added to
gcc/testsuite/lib/target-supports.exp the other day, without
documentation.

This patch adds the corresponding documentation.


for  gcc/ChangeLog

        * doc/sourcebuild.texi (Effective-Target Keywords): Document
        the newly-introduced fileio effective target.
---
 gcc/doc/sourcebuild.texi |    6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/gcc/doc/sourcebuild.texi b/gcc/doc/sourcebuild.texi
index b696120..46b486d 100644
--- a/gcc/doc/sourcebuild.texi
+++ b/gcc/doc/sourcebuild.texi
@@ -2233,6 +2233,12 @@ Target provides @file{fenv.h} include file.
 Target supports @file{fenv.h} with all the standard IEEE exceptions
 and floating-point exceptions are raised by arithmetic operations.
 
+@item fileio
+Target offers such file I/O library functions as @code{fopen},
+@code{fclose}, @code{tmpnam}, and @code{remove}.  This is a link-time
+requirement for the presence of the functions in the library; even if
+they fail at runtime, the requirement is still regarded as satisfied.
+
 @item freestanding
 Target is @samp{freestanding} as defined in section 4 of the C99 standard.
 Effectively, it is a target which supports no extra headers or libraries


-- 
Alexandre Oliva, freedom fighter    he/him    https://FSFLA.org/blogs/lxo/
Free Software Evangelist              Stallman was right, but he's left :(
GNU Toolchain Engineer           Live long and free, and prosper ethically

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