Bug #342 » scales-ppm-ac_fc_module_output_flag.patch
| ppm-1.0.4.orig/acinclude.m4 → ppm-1.0.4/acinclude.m4 | ||
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m4_include([m4/ac_lang_program_fortran.m4])
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m4_include([m4/acx_lang_fortran_check_include.m4])
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m4_include([m4/acx_lang_c_check_include.m4])
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m4_if(m4_version_compare(m4_PACKAGE_VERSION,[2.70]),[-1],
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m4_if(m4_version_compare(m4_PACKAGE_VERSION,[2.69]),[-1],
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[m4_include([m4/ac_fc_module_output_flag.m4])])
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dnl
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dnl Local Variables:
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| ppm-1.0.4/m4/ac_fc_module_output_flag.m4 | ||
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# AC_FC_MODULE_OUTPUT_FLAG([ACTION-IF-SUCCESS], [ACTION-IF-FAILURE = FAILURE])
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# ----------------------------------------------------------------------------
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# Find a flag to write Fortran 90 module information to another directory.
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# If successful, run ACTION-IF-SUCCESS (defaults to nothing), otherwise
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# run ACTION-IF-FAILURE (defaults to failing with an error message).
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# The module flag is cached in the ac_cv_fc_module_output_flag variable.
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# It may contain significant trailing whitespace.
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#
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# For known flags, see the documentation of AC_FC_MODULE_FLAG above.
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AC_DEFUN([AC_FC_MODULE_OUTPUT_FLAG],[
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AC_CACHE_CHECK([Fortran 90 module output flag], [ac_cv_fc_module_output_flag],
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[AC_LANG_PUSH([Fortran])
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mkdir conftest.dir conftest.dir/sub
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cd conftest.dir
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ac_cv_fc_module_output_flag=unknown
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ac_fc_module_output_flag_FCFLAGS_save=$FCFLAGS
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# Flag ordering is significant: put flags late which some compilers use
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# for the search path.
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for ac_flag in -J '-J ' -fmod= -moddir= +moddir= -qmoddir= '-mod ' \
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'-module ' -M '-Am -M' '-e m -J '; do
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FCFLAGS="$ac_fc_module_output_flag_FCFLAGS_save ${ac_flag}sub"
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AC_COMPILE_IFELSE([[
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module conftest_module
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contains
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subroutine conftest_routine
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write(*,'(a)') 'gotcha!'
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end subroutine
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end module]],
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[cd sub
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AC_COMPILE_IFELSE([[
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program main
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use conftest_module
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call conftest_routine
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end program]],
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[ac_cv_fc_module_output_flag="$ac_flag"])
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cd ..
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if test "$ac_cv_fc_module_output_flag" != unknown; then
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break
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fi])
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done
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FCFLAGS=$ac_fc_module_output_flag_FCFLAGS_save
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cd ..
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rm -rf conftest.dir
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AC_LANG_POP([Fortran])
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])
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if test "$ac_cv_fc_module_output_flag" != unknown; then
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FC_MODOUT=$ac_cv_fc_module_output_flag
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$1
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else
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FC_MODOUT=
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m4_default([$2],
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[AC_MSG_ERROR([unable to find compiler flag to write module information to])])
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fi
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AC_SUBST([FC_MODOUT])
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# Ensure trailing whitespace is preserved in a Makefile.
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AC_SUBST([ac_empty], [""])
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AC_CONFIG_COMMANDS_PRE([case $FC_MODOUT in #(
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*\ ) FC_MODOUT=$FC_MODOUT'${ac_empty}' ;;
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esac])dnl
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])
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