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| author | Peter Simons <simons@cryp.to> | 2016-02-29 11:18:49 +0100 |
|---|---|---|
| committer | Peter Simons <simons@cryp.to> | 2016-02-29 11:18:49 +0100 |
| commit | cad4a83461884a5b32d9ba54b09bc5323b0858be (patch) | |
| tree | 9b792661752da5e94db1c28913663dd030a63961 /m4/ax_fc_check_define.m4 | |
| parent | 4ca47060cbc32b9894931b8f3b76162c21f44efd (diff) | |
| download | autoconf-archive-cad4a83461884a5b32d9ba54b09bc5323b0858be.tar.gz | |
AX_FC_CHECK_DEFINE: initial version
Diffstat (limited to 'm4/ax_fc_check_define.m4')
| -rw-r--r-- | m4/ax_fc_check_define.m4 | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/m4/ax_fc_check_define.m4 b/m4/ax_fc_check_define.m4 new file mode 100644 index 0000000..169363d --- /dev/null +++ b/m4/ax_fc_check_define.m4 @@ -0,0 +1,52 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_fc_check_define.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_FC_CHECK_DEFINE([symbol], [ACTION-IF-FOUND], [ACTION-IF-NOT]) +# +# DESCRIPTION +# +# This macro checks to see if the Fortran pre-processor has a symbol +# defined. +# +# Consider a usage like: +# +# AC_FC_PP_DEFINE() +# AX_FC_CHECK_DEFINE(__BIGGEST_ALIGNMENT__, [], +# AX_APPEND_FLAG([${FC_DEFINE}__BIGGEST_ALIGNMENT__=64], +# [FCFLAGS])) +# +# LICENSE +# +# Copyright (c) 2016 Timothy Brown <tbrown@freeshell.org> +# +# Copying and distribution of this file, with or without modification, are +# permitted in any medium without royalty provided the copyright notice +# and this notice are preserved. This file is offered as-is, without any +# warranty. + +#serial 1 + +AC_DEFUN([AX_FC_CHECK_DEFINE], [ + +AS_VAR_PUSHDEF([ax_var],[ax_cv_defined_$1])dnl +AC_LANG_PUSH([Fortran]) +ax_fc_check_define_srcext_save=$ac_fc_srcext +AC_FC_PP_SRCEXT([F]) +AC_CACHE_CHECK([if $1 is defined], [ax_var], + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[ +#ifdef $1 + integer :: ok +#else + choke me +#endif + ]])], + [AS_VAR_SET([ax_var], yes)], + [AS_VAR_SET([ax_var], no)])) +AS_IF([test AS_VAR_GET([ax_var]) != "no"], [$2], [$3]) +ac_fc_srcext=$ax_fc_check_define_srcext_save +AC_LANG_POP()dnl +AS_VAR_POPDEF([ax_var])dnl +]) |