diff options
| -rwxr-xr-x | configure | 51 | ||||
| -rw-r--r-- | configure.in | 30 |
2 files changed, 80 insertions, 1 deletions
@@ -1,5 +1,5 @@ #! /bin/sh -# From configure.in Id: configure.in 20797 2011-05-11 22:55:17Z mainzer . +# From configure.in Id: configure.in 21945 2012-02-16 01:06:58Z mainzer . # Guess values for system-dependent variables and create Makefiles. # Generated by GNU Autoconf 2.68 for HDF5 1.9.109. # @@ -30042,6 +30042,55 @@ case $host_os in ;; esac + +saved_libs="$LIBS" +saved_ldflags="$LDFLAGS" + +case "X-$POSIX_AIO_SUPPORTED" in + X-yes) + LIBS="$LIBS -lrt" + if test "X$STATIC_EXEC" = "Xyes"; then + LDFLAGS="$LDFLAGS -static" + fi + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <aio.h> +#ifdef FC_DUMMY_MAIN +#ifndef FC_DUMMY_MAIN_EQ_F77 +# ifdef __cplusplus + extern "C" +# endif + int FC_DUMMY_MAIN() { return 1; } +#endif +#endif +int +main () +{ +struct aiocb cb; aio_fsync(O_SYNC, &cb) + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + +else + AIO_SUPPORTED=no + POSIX_AIO_SUPPORTED=no + REQUIRE_64_BIT_POSIX_AIO=no + +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + ;; + X-no|*) + ;; +esac + +LIBS="$saved_libs" +LDFLAGS="$saved_ldflags" + + + if (${CC-cc} -V 2>&1 | grep '^pgcc') > /dev/null ; then AIO_SUPPORTED=no fi diff --git a/configure.in b/configure.in index 7040fd4..26c9527 100644 --- a/configure.in +++ b/configure.in @@ -4417,6 +4417,36 @@ case $host_os in ;; esac +dnl If we think posix aio is supported, verify that we can link with it. + +saved_libs="$LIBS" +saved_ldflags="$LDFLAGS" + +case "X-$POSIX_AIO_SUPPORTED" in + X-yes) + LIBS="$LIBS -lrt" + if test "X$STATIC_EXEC" = "Xyes"; then + LDFLAGS="$LDFLAGS -static" + fi + AC_TRY_LINK([#include <aio.h>], + [struct aiocb cb; aio_fsync(O_SYNC, &cb)], + , + AIO_SUPPORTED=no + POSIX_AIO_SUPPORTED=no + REQUIRE_64_BIT_POSIX_AIO=no + ) + ;; + X-no|*) + ;; +esac + +LIBS="$saved_libs" +LDFLAGS="$saved_ldflags" + + +dnl As of last check, aio didn't get along with portland group compilers. +dnl Disable aio if we are using same. + if (${CC-cc} -V 2>&1 | grep '^pgcc') > /dev/null ; then AIO_SUPPORTED=no fi |