diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 90 |
1 files changed, 64 insertions, 26 deletions
diff --git a/configure.in b/configure.in index 0271a2f..79bc1cf 100644 --- a/configure.in +++ b/configure.in @@ -345,6 +345,28 @@ dnl AC_PROG_CC CC_BASENAME="`echo $CC | cut -f1 -d' ' | xargs basename 2>/dev/null`" +dnl ---------------------------------------------------------------------------- +dnl Configure disallows unsupported combinations of options. However, users +dnl may want to override and build with unsupported combinations for their +dnl own use. They can use the --enable-unsupported configure flag, which +dnl ignores any errors from configure due to incompatible flags. +AC_MSG_CHECKING([if unsupported combinations of configure options are allowed]) +AC_ARG_ENABLE([unsupported], + [AC_HELP_STRING([--enable-unsupported], + [Allow unsupported combinations of configure options])], + [ALLOW_UNSUPPORTED=$enableval]) + +case "X-$ALLOW_UNSUPPORTED" in + X-|X-no) + AC_MSG_RESULT([no]) + ;; + X-yes) + AC_MSG_RESULT([yes]) + ;; + *) + ;; +esac + dnl ---------------------------------------------------------------------- dnl Check if they would like the Fortran interface compiled dnl @@ -908,16 +930,20 @@ if (${CC-cc} -V 2>&1 | grep '^pgcc 6.0') > /dev/null && test "X$enable_productio fi dnl ---------------------------------------------------------------------- -dnl Shared libraries are not currently supported under Cygwin. -case "`uname`" in - CYGWIN*) - if test "X${enable_shared}" = "Xyes"; then - echo ' warning: shared libraries are not supported on Cygwin!' - echo ' disabling shared libraries' - fi - enable_shared="no" - ;; -esac +dnl Shared libraries are not currently supported under Cygwin, so configure +dnl disables them unless --enable-unsupported has been supplied by the user. +if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then + case "`uname`" in + CYGWIN*) + if test "X${enable_shared}" = "Xyes"; then + echo ' warning: shared libraries are not supported on Cygwin!' + echo ' disabling shared libraries' + echo ' use --enable-unsupported to override this warning and keep shared libraries enabled' + fi + enable_shared="no" + ;; + esac +fi dnl ---------------------------------------------------------------------- dnl Create libtool. If shared/static libraries are going to be enabled @@ -2460,24 +2486,33 @@ AC_ARG_ENABLE([parallel], [Search for MPI-IO and MPI support files])]) dnl The --enable-parallel flag is not compatible with --enable-cxx. -dnl If the user tried to specify both flags, throw an error. -if test "X${HDF_CXX}" = "Xyes" -a "X${enable_parallel}" = "Xyes"; then - AC_MSG_ERROR([--enable-cxx and --enable-parallel flags are incompatible]) +dnl If the user tried to specify both flags, throw an error, unless +dnl they also provided the --enable-unsupported flag. +if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then + if test "X${HDF_CXX}" = "Xyes" -a "X${enable_parallel}" = "Xyes"; then + AC_MSG_ERROR([--enable-cxx and --enable-parallel flags are incompatible. Use --enable-unsupported to override this error.]) + fi fi -dnl --enable-parallel is also incompatible with --enable-threadsafe. -if test "X${THREADSAFE}" = "Xyes" -a "X${enable_parallel}" = "Xyes"; then - AC_MSG_ERROR([--enable-threadsafe and --enable-parallel flags are incompatible]) +dnl --enable-parallel is also incompatible with --enable-threadsafe, unless +dnl --enable-unsupported has been specified on the configure line. +if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then + if test "X${THREADSAFE}" = "Xyes" -a "X${enable_parallel}" = "Xyes"; then + AC_MSG_ERROR([--enable-threadsafe and --enable-parallel flags are incompatible. Use --enable-unsupported to override this error.]) + fi fi dnl It's possible to build in parallel by specifying a parallel compiler dnl without using the --enable-parallel flag. This isn't allowed with -dnl C++ or threadsafe, either. -if test "X${PARALLEL}" != "X" -a "X${enable_cxx}" = "Xyes" ; then - AC_MSG_ERROR([An MPI compiler is being used; --enable-cxx is not allowed]) -fi -if test "X${PARALLEL}" != "X" -a "X${THREADSAFE}" = "Xyes"; then - AC_MSG_ERROR([An MPI compiler is being used; --enable-threadsafe is not allowed]) +dnl C++ or threadsafe, either, unless the --enable-unsupported flag +dnl has also been specified. +if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then + if test "X${PARALLEL}" != "X" -a "X${enable_cxx}" = "Xyes" ; then + AC_MSG_ERROR([An MPI compiler is being used; --enable-cxx is not allowed. Use --enable-unsupported to override this error.]) + fi + if test "X${PARALLEL}" != "X" -a "X${THREADSAFE}" = "Xyes"; then + AC_MSG_ERROR([An MPI compiler is being used; --enable-threadsafe is not allowed. Use --enable-unsupported to override this error.]) + fi fi AC_MSG_CHECKING([for parallel support files]) @@ -4106,12 +4141,15 @@ else fi dnl It's an error to try to disable deprecated public API symbols while -dnl choosing an older version of the public API as the default. -if test "X${DEFAULT_API_VERSION}" != "Xv110" -a "X${DEPRECATED_SYMBOLS}" = "Xno" ; then - AC_MSG_ERROR([Removing old public API symbols not allowed when using them as default public API symbols]) +dnl choosing an older version of the public API as the default. However, +dnl if the user insists on doing this via the --enable-unsupported configure +dnl flag, we'll let them. +if test "X${ALLOW_UNSUPPORTED}" != "Xyes"; then + if test "X${DEFAULT_API_VERSION}" != "Xv110" -a "X${DEPRECATED_SYMBOLS}" = "Xno" ; then + AC_MSG_ERROR([Removing old public API symbols not allowed when using them as default public API symbols. Use --enable-unsupported to override this error.]) + fi fi - dnl ---------------------------------------------------------------------- dnl Enable strict file format checks dnl |