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author | Nick Alcock <nick.alcock@oracle.com> | 2019-06-04 15:04:49 +0100 |
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committer | Nick Alcock <nick.alcock@oracle.com> | 2019-06-04 17:05:08 +0100 |
commit | ad118caa9f690114d11384b0813f30980cc333f3 (patch) | |
tree | 3261c7175a31eb17ae72c2a8f0d107c4d1ad9f59 /libctf/configure | |
parent | 6b22174ff163b828a2069f22353018ca97fc0fb4 (diff) | |
download | binutils-ad118caa9f690114d11384b0813f30980cc333f3.zip binutils-ad118caa9f690114d11384b0813f30980cc333f3.tar.gz binutils-ad118caa9f690114d11384b0813f30980cc333f3.tar.bz2 |
libctf: work on platforms without O_CLOEXEC.
(Not tested on any such platforms, since I don't have access to any at
the moment. Testing encouraged.)
libctf/
* configure.ac: Check for O_CLOEXEC.
* ctf-decls.h (O_CLOEXEC): Define (to 0), if need be.
* config.h.in: Regenerate.
Diffstat (limited to 'libctf/configure')
-rwxr-xr-x | libctf/configure | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/libctf/configure b/libctf/configure index d485b1a..31f1667 100755 --- a/libctf/configure +++ b/libctf/configure @@ -6462,6 +6462,43 @@ else fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for O_CLOEXEC" >&5 +$as_echo_n "checking for O_CLOEXEC... " >&6; } +if ${ac_cv_libctf_macro_O_CLOEXEC+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <fcntl.h> + #ifndef O_CLOEXEC + choke me; + #endif + +int +main () +{ +return O_CLOEXEC; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_libctf_macro_O_CLOEXEC=yes +else + ac_cv_libctf_macro_O_CLOEXEC=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_libctf_macro_O_CLOEXEC" >&5 +$as_echo "$ac_cv_libctf_macro_O_CLOEXEC" >&6; } + +if test $ac_cv_libctf_macro_O_CLOEXEC = yes; then + +$as_echo "#define HAVE_O_CLOEXEC 1" >>confdefs.h + +fi + ac_config_files="$ac_config_files Makefile" ac_config_headers="$ac_config_headers config.h" |