/[autoconf]/autoconf/lib/autoconf/fortran.m4
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revision 1.179 by stevengj, Sat Oct 11 23:37:58 2003 UTC revision 1.180 by akim, Thu Oct 23 08:22:28 2003 UTC
# Line 131  fi[]dnl Line 131  fi[]dnl
131  ## ----------------------- ##  ## ----------------------- ##
132    
133    
134  # ----------------------------- #  # -------------------------- #
135  # 1d. The Fortran language.  #  # 1d. The Fortran language.  #
136  # ----------------------------- #  # -------------------------- #
137    
138    
139  # AC_LANG(Fortran 77)  # AC_LANG(Fortran 77)
# Line 147  ac_compiler_gnu=$ac_cv_f77_compiler_gnu Line 147  ac_compiler_gnu=$ac_cv_f77_compiler_gnu
147    
148    
149  # AC_LANG(Fortran)  # AC_LANG(Fortran)
150  # -------------------  # ----------------
151  m4_define([AC_LANG(Fortran)],  m4_define([AC_LANG(Fortran)],
152  [ac_ext=${FC_SRCEXT-f}  [ac_ext=${FC_SRCEXT-f}
153  ac_compile='$FC -c $FCFLAGS $FCFLAGS_SRCEXT conftest.$ac_ext >&AS_MESSAGE_LOG_FD'  ac_compile='$FC -c $FCFLAGS $FCFLAGS_SRCEXT conftest.$ac_ext >&AS_MESSAGE_LOG_FD'
# Line 161  AU_DEFUN([AC_LANG_FORTRAN77], [AC_LANG(F Line 161  AU_DEFUN([AC_LANG_FORTRAN77], [AC_LANG(F
161    
162    
163  # _AC_FORTRAN_ASSERT  # _AC_FORTRAN_ASSERT
164  # --------------------  # ------------------
165  # Current language must be Fortran or Fortran 77.  # Current language must be Fortran or Fortran 77.
166  m4_defun([_AC_FORTRAN_ASSERT],  m4_defun([_AC_FORTRAN_ASSERT],
167  [m4_if(_AC_LANG, [Fortran], [],  [m4_if(_AC_LANG, [Fortran], [],
# Line 174  m4_defun([_AC_FORTRAN_ASSERT], Line 174  m4_defun([_AC_FORTRAN_ASSERT],
174  m4_define([_AC_LANG_ABBREV(Fortran 77)], [f77])  m4_define([_AC_LANG_ABBREV(Fortran 77)], [f77])
175    
176  # _AC_LANG_ABBREV(Fortran)  # _AC_LANG_ABBREV(Fortran)
177  # ---------------------------  # ------------------------
178  m4_define([_AC_LANG_ABBREV(Fortran)], [fc])  m4_define([_AC_LANG_ABBREV(Fortran)], [fc])
179    
180    
# Line 183  m4_define([_AC_LANG_ABBREV(Fortran)], [f Line 183  m4_define([_AC_LANG_ABBREV(Fortran)], [f
183  m4_define([_AC_LANG_PREFIX(Fortran 77)], [F])  m4_define([_AC_LANG_PREFIX(Fortran 77)], [F])
184    
185  # _AC_LANG_PREFIX(Fortran)  # _AC_LANG_PREFIX(Fortran)
186  # ---------------------------  # ------------------------
187  m4_define([_AC_LANG_PREFIX(Fortran)], [FC])  m4_define([_AC_LANG_PREFIX(Fortran)], [FC])
188    
189    
190  # _AC_FC  # _AC_FC
191  # -------------------  # ------
192  # Return F77 or FC, depending upon the language.  # Return F77 or FC, depending upon the language.
193  AC_DEFUN([_AC_FC],  AC_DEFUN([_AC_FC],
194  [_AC_FORTRAN_ASSERT()dnl  [_AC_FORTRAN_ASSERT()dnl
195  AC_LANG_CASE([Fortran 77], [F77], [Fortran], [FC])])  AC_LANG_CASE([Fortran 77], [F77],
196                 [Fortran],    [FC])])
197    
198    
199  ## ---------------------- ##  ## ---------------------- ##
# Line 200  AC_LANG_CASE([Fortran 77], [F77], [Fortr Line 201  AC_LANG_CASE([Fortran 77], [F77], [Fortr
201  ## ---------------------- ##  ## ---------------------- ##
202    
203    
204  # ------------------------ #  # --------------------- #
205  # 2d. Fortran sources.  #  # 2d. Fortran sources.  #
206  # ------------------------ #  # --------------------- #
207    
208  # AC_LANG_SOURCE(Fortran 77)(BODY)  # AC_LANG_SOURCE(Fortran 77)(BODY)
209  # AC_LANG_SOURCE(Fortran)(BODY)  # AC_LANG_SOURCE(Fortran)(BODY)
# Line 260  m4_define([AC_LANG_CALL(Fortran)], Line 261  m4_define([AC_LANG_CALL(Fortran)],
261  ## -------------------------------------------- ##  ## -------------------------------------------- ##
262    
263    
264  # ----------------------------- #  # -------------------------- #
265  # 3d. The Fortran compiler.  #  # 3d. The Fortran compiler.  #
266  # ----------------------------- #  # -------------------------- #
267    
268    
269  # AC_LANG_PREPROC(Fortran 77)  # AC_LANG_PREPROC(Fortran 77)
# Line 301  AC_DEFUN([AC_LANG_COMPILER(Fortran)], Line 302  AC_DEFUN([AC_LANG_COMPILER(Fortran)],
302  AU_DEFUN([ac_cv_prog_g77],  AU_DEFUN([ac_cv_prog_g77],
303  [ac_cv_f77_compiler_gnu])  [ac_cv_f77_compiler_gnu])
304    
305    
306  # _AC_FC_DIALECT_YEAR([DIALECT])  # _AC_FC_DIALECT_YEAR([DIALECT])
307    # ------------------------------
308  # Given a Fortran DIALECT, which is Fortran [YY]YY or simply [YY]YY,  # Given a Fortran DIALECT, which is Fortran [YY]YY or simply [YY]YY,
309  # convert to a 4-digit year.  The dialect must be one of Fortran 77,  # convert to a 4-digit year.  The dialect must be one of Fortran 77,
310  # 90, 95, or 2000, currently.  If DIALECT is simply Fortran or the  # 90, 95, or 2000, currently.  If DIALECT is simply Fortran or the
# Line 315  AC_DEFUN([_AC_FC_DIALECT_YEAR], Line 318  AC_DEFUN([_AC_FC_DIALECT_YEAR],
318           [],[],           [],[],
319           [m4_fatal([unknown Fortran dialect])])])           [m4_fatal([unknown Fortran dialect])])])
320    
321    
322  # _AC_PROG_FC([DIALECT], [COMPILERS...])  # _AC_PROG_FC([DIALECT], [COMPILERS...])
323  # ---------------------------  # --------------------------------------
324  # DIALECT is a Fortran dialect, given by Fortran [YY]YY or simply [YY]YY,  # DIALECT is a Fortran dialect, given by Fortran [YY]YY or simply [YY]YY,
325  # and must be one of those supported by _AC_FC_DIALECT_YEAR  # and must be one of those supported by _AC_FC_DIALECT_YEAR
326  #  #
# Line 371  ac_save_ext=$ac_ext Line 375  ac_save_ext=$ac_ext
375  ac_ext=F  ac_ext=F
376  _AC_LANG_COMPILER_GNU  _AC_LANG_COMPILER_GNU
377  ac_ext=$ac_save_ext  ac_ext=$ac_save_ext
378  _AC_PROG_FC_G]  _AC_PROG_FC_G
379  )  ])# _AC_PROG_FC
380    
381    
382  # AC_PROG_F77([COMPILERS...])  # AC_PROG_F77([COMPILERS...])
383  # ---------------------------  # ---------------------------
# Line 388  G77=`test $ac_compiler_gnu = yes && echo Line 393  G77=`test $ac_compiler_gnu = yes && echo
393  AC_LANG_POP(Fortran 77)dnl  AC_LANG_POP(Fortran 77)dnl
394  ])# AC_PROG_F77  ])# AC_PROG_F77
395    
396    
397  # AC_PROG_FC([COMPILERS...], [DIALECT])  # AC_PROG_FC([COMPILERS...], [DIALECT])
398  # ---------------------------  # -------------------------------------
399  # COMPILERS is a space separated list of Fortran 77 compilers to search  # COMPILERS is a space separated list of Fortran 77 compilers to search
400  # for, and [DIALECT] is an optional dialect.  See also _AC_PROG_FC.  # for, and [DIALECT] is an optional dialect.  See also _AC_PROG_FC.
401  AC_DEFUN([AC_PROG_FC],  AC_DEFUN([AC_PROG_FC],
# Line 403  AC_LANG_POP(Fortran)dnl Line 409  AC_LANG_POP(Fortran)dnl
409    
410    
411  # _AC_PROG_FC_G  # _AC_PROG_FC_G
412  # --------------  # -------------
413  # Check whether -g works, even if F[C]FLAGS is set, in case the package  # Check whether -g works, even if F[C]FLAGS is set, in case the package
414  # plays around with F[C]FLAGS (such as to build both debugging and normal  # plays around with F[C]FLAGS (such as to build both debugging and normal
415  # versions of a library), tasteless as that idea is.  # versions of a library), tasteless as that idea is.
# Line 469  if test $ac_cv_prog_[]_AC_LANG_ABBREV[]_ Line 475  if test $ac_cv_prog_[]_AC_LANG_ABBREV[]_
475  fi  fi
476  ])# _AC_PROG_FC_C_O  ])# _AC_PROG_FC_C_O
477    
478    
479  # AC_PROG_F77_C_O  # AC_PROG_F77_C_O
480  # ---------------  # ---------------
481  AC_DEFUN([AC_PROG_F77_C_O],  AC_DEFUN([AC_PROG_F77_C_O],
# Line 478  _AC_PROG_FC_C_O Line 485  _AC_PROG_FC_C_O
485  AC_LANG_POP(Fortran 77)dnl  AC_LANG_POP(Fortran 77)dnl
486  ])# AC_PROG_F77_C_O  ])# AC_PROG_F77_C_O
487    
488    
489  # AC_PROG_FC_C_O  # AC_PROG_FC_C_O
490  # ---------------  # ---------------
491  AC_DEFUN([AC_PROG_FC_C_O],  AC_DEFUN([AC_PROG_FC_C_O],
# Line 1167  AC_DEFUN_ONCE([AC_FC_FREEFORM], Line 1175  AC_DEFUN_ONCE([AC_FC_FREEFORM],
1175  [AC_LANG_PUSH(Fortran)dnl  [AC_LANG_PUSH(Fortran)dnl
1176  ac_cv_fc_freeform=unknown  ac_cv_fc_freeform=unknown
1177  ac_fc_freeform_FCFLAGS_save=$FCFLAGS  ac_fc_freeform_FCFLAGS_save=$FCFLAGS
1178  for ac_flag in none -ffree-form -FR -free -qfree -Mfree -Mfreeform -freeform "-f free"; do  for ac_flag in none -ffree-form -FR -free -qfree -Mfree -Mfreeform \
1179                   -freeform "-f free"
1180    do
1181    test "x$ac_flag" != xnone && FCFLAGS="$ac_fc_freeform_FCFLAGS_save $ac_flag"    test "x$ac_flag" != xnone && FCFLAGS="$ac_fc_freeform_FCFLAGS_save $ac_flag"
1182    AC_COMPILE_IFELSE([    AC_COMPILE_IFELSE([
1183    program freeform    program freeform
1184         ! FIXME: how to best confuse non-freeform compilers?         ! FIXME: how to best confuse non-freeform compilers?
1185         print *, 'Hello ', &         print *, 'Hello ', &
1186             'world.'             'world.'
1187         end         end],
1188  ], [ac_cv_fc_freeform=$ac_flag; break])                      [ac_cv_fc_freeform=$ac_flag; break])
1189  done  done
1190  rm -f conftest.$ac_objext conftest.$ac_ext  rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
1191  FCFLAGS=$ac_fc_freeform_FCFLAGS_save  FCFLAGS=$ac_fc_freeform_FCFLAGS_save
1192  AC_LANG_POP(Fortran)dnl  AC_LANG_POP(Fortran)dnl
1193  ])  ])
1194  if test "x$ac_cv_fc_freeform" = xunknown; then  if test "x$ac_cv_fc_freeform" = xunknown; then
1195    m4_default([$2],[AC_MSG_ERROR([Fortran does not accept free-form source],77)])    m4_default([$2],
1196                 [AC_MSG_ERROR([Fortran does not accept free-form source], 77)])
1197  else  else
1198    if test "x$ac_cv_fc_freeform" != xnone; then    if test "x$ac_cv_fc_freeform" != xnone; then
1199      FCFLAGS="$FCFLAGS $ac_cv_fc_freeform"      FCFLAGS="$FCFLAGS $ac_cv_fc_freeform"

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