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configure.ac: refuse to build on 32 bit platforms #8575

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configure.ac: refuse to build on 32 bit platforms #8575

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14cdcee
configure.ac: remove some old Windows kruft
jsquyres Mar 9, 2021
6a56a1c
configure.ac: refuse to build on 32 bit platforms
jsquyres Mar 9, 2021
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13 changes: 8 additions & 5 deletions configure.ac
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Original file line number Diff line number Diff line change
Expand Up @@ -384,10 +384,14 @@ opal_show_title "Compiler and preprocessor tests"

OPAL_SETUP_CC

# If we build on a windows environment with the windows compiler and linker
# then we need some translation functions from the opal/win32 directory.
AM_CONDITIONAL(OMPI_NEED_WINDOWS_REPLACEMENTS,
test "$opal_cv_c_compiler_vendor" = "microsoft" )
# Open MPI no longer supports 32 bit builds
AC_CHECK_SIZEOF(void *)
AC_MSG_CHECKING([if build environment is 32 bit])
AS_IF([test "$ac_cv_sizeof_void_p" = "4"],
[AC_MSG_RESULT([yes])
AC_MSG_WARN([Sorry, this version of Open MPI does not support building on 32-bit platforms.])
AC_MSG_ERROR([Cannot continue])])
AC_MSG_RESULT([no (good)])

# Do all Interix detections if necessary
OMPI_INTERIX
Expand Down Expand Up @@ -481,7 +485,6 @@ AC_CHECK_SIZEOF(float _Complex)
AC_CHECK_SIZEOF(double _Complex)
AC_CHECK_SIZEOF(long double _Complex)

AC_CHECK_SIZEOF(void *)
AC_CHECK_SIZEOF(size_t)
if test "$ac_cv_type_ssize_t" = yes ; then
AC_CHECK_SIZEOF(ssize_t)
Expand Down