Mercurial > hg > octave-lyh > gnulib-hg
changeset 3284:c2336d671238
*** empty log message ***
author | Jim Meyering <jim@meyering.net> |
---|---|
date | Mon, 02 Jul 2001 07:39:12 +0000 |
parents | 57421b21edc5 |
children | 704658ef821b |
files | m4/ChangeLog m4/jm-glibc-io.m4n |
diffstat | 2 files changed, 47 insertions(+), 0 deletions(-) [+] |
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--- a/m4/ChangeLog +++ b/m4/ChangeLog @@ -1,3 +1,17 @@ +2001-07-02 Jim Meyering <meyering@lucent.com> + + The following changes were prompted by suggestions from Bruno Haible. + + * jm-glibc-io.m4n: New file, the template from which jm-glibc-io.m4 + is now generated. + * Makefile.am.in (Makefile.am): Include jm-glibc-io.m4n in emitted + definition of EXTRA_DIST. + (Makefile.am): Emit the dependency, `all-local: jm-glibc-io.m4' to + ensure that the generated file is created/updated whenever the list + of $(unlocked_functions) is changed. + (jm-glibc-io.m4): New rule. + (unlocked-io.h): New rule -- currently unused. + 2001-06-24 Jim Meyering <meyering@lucent.com> * regex.m4 (jm_INCLUDED_REGEX): Use a quadrigraph to represent an
new file mode 100644 --- /dev/null +++ b/m4/jm-glibc-io.m4n @@ -0,0 +1,33 @@ +#serial 5 -*- autoconf -*- + +dnl From Jim Meyering. +dnl +dnl See if the glibc *_unlocked I/O macros are available. +dnl Use only those *_unlocked macros that are declared. +dnl + +AC_DEFUN(jm_FUNC_GLIBC_UNLOCKED_IO, + [ + # Kludge (not executed) to make autoheader do the right thing. + if test a = b; then + AC_CHECK_DECLS([@comma_separated@]) + AC_CHECK_FUNCS(@space_separated@) + fi + + io_functions='@space_separated@' + + for jm_io_func in $io_functions; do + # Check for the existence of each function only if it is declared. + # Otherwise, we'd get the Solaris5.5.1 functions that are not + # declared, and that have been removed from Solaris5.6. The resulting + # 5.5.1 binaries would not run on 5.6 due to shared library differences. + AC_CHECK_DECLS([$jm_io_func], + jm_declared=yes, + jm_declared=no, + [#include <stdio.h>]) + if test $jm_declared = yes; then + AC_CHECK_FUNCS($jm_io_func) + fi + done + ] +)