X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=m4%2Fopenmp.m4;h=78f2b75990a83fc55b8f011d4b196cdfcacfdf2d;hb=8b4b3169967174633f41487dbf7aa9c1a49c36d0;hp=116e6ce619cffe494435e1c90a53cad80572eb49;hpb=73a15056d9347aba42002778308ee398a20584c2;p=gnulib.git diff --git a/m4/openmp.m4 b/m4/openmp.m4 index 116e6ce61..78f2b7599 100644 --- a/m4/openmp.m4 +++ b/m4/openmp.m4 @@ -1,5 +1,5 @@ # openmp.m4 serial 7 -dnl Copyright (C) 2006-2009 Free Software Foundation, Inc. +dnl Copyright (C) 2006-2010 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -61,30 +61,30 @@ AC_DEFUN([AC_OPENMP], AC_CACHE_CHECK([for $CC option to support OpenMP], [ac_cv_prog_[]_AC_LANG_ABBREV[]_openmp], [AC_LINK_IFELSE([_AC_LANG_OPENMP], - [ac_cv_prog_[]_AC_LANG_ABBREV[]_openmp='none needed'], - [ac_cv_prog_[]_AC_LANG_ABBREV[]_openmp='unsupported' - dnl Try these flags: - dnl GCC >= 4.2 -fopenmp - dnl SunPRO C -xopenmp - dnl Intel C -openmp - dnl SGI C, PGI C -mp - dnl Tru64 Compaq C -omp - dnl IBM C (AIX, Linux) -qsmp=omp - dnl If in this loop a compiler is passed an option that it doesn't - dnl understand or that it misinterprets, the AC_LINK_IFELSE test - dnl will fail (since we know that it failed without the option), - dnl therefore the loop will continue searching for an option, and - dnl no output file called 'penmp' or 'mp' is created. - for ac_option in -fopenmp -xopenmp -openmp -mp -omp -qsmp=omp; do - ac_save_[]_AC_LANG_PREFIX[]FLAGS=$[]_AC_LANG_PREFIX[]FLAGS - _AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $ac_option" - AC_LINK_IFELSE([_AC_LANG_OPENMP], - [ac_cv_prog_[]_AC_LANG_ABBREV[]_openmp=$ac_option]) - _AC_LANG_PREFIX[]FLAGS=$ac_save_[]_AC_LANG_PREFIX[]FLAGS - if test "$ac_cv_prog_[]_AC_LANG_ABBREV[]_openmp" != unsupported; then - break - fi - done])]) + [ac_cv_prog_[]_AC_LANG_ABBREV[]_openmp='none needed'], + [ac_cv_prog_[]_AC_LANG_ABBREV[]_openmp='unsupported' + dnl Try these flags: + dnl GCC >= 4.2 -fopenmp + dnl SunPRO C -xopenmp + dnl Intel C -openmp + dnl SGI C, PGI C -mp + dnl Tru64 Compaq C -omp + dnl IBM C (AIX, Linux) -qsmp=omp + dnl If in this loop a compiler is passed an option that it doesn't + dnl understand or that it misinterprets, the AC_LINK_IFELSE test + dnl will fail (since we know that it failed without the option), + dnl therefore the loop will continue searching for an option, and + dnl no output file called 'penmp' or 'mp' is created. + for ac_option in -fopenmp -xopenmp -openmp -mp -omp -qsmp=omp; do + ac_save_[]_AC_LANG_PREFIX[]FLAGS=$[]_AC_LANG_PREFIX[]FLAGS + _AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $ac_option" + AC_LINK_IFELSE([_AC_LANG_OPENMP], + [ac_cv_prog_[]_AC_LANG_ABBREV[]_openmp=$ac_option]) + _AC_LANG_PREFIX[]FLAGS=$ac_save_[]_AC_LANG_PREFIX[]FLAGS + if test "$ac_cv_prog_[]_AC_LANG_ABBREV[]_openmp" != unsupported; then + break + fi + done])]) case $ac_cv_prog_[]_AC_LANG_ABBREV[]_openmp in #( "none needed" | unsupported) ;; #(