libgfortran/Makefile.am

   1 ## Process this file with automake to produce Makefile.in
   2
   3
   4 ACLOCAL_AMFLAGS = -I ../config
   5
   6 toolexeclib_LTLIBRARIES = libgfortran.la libgfortranbegin.la
   7
   8 libgfortran_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version` -lm $(extra_ldflags_libgfortran)
   9
  10 ## This should really go in the compiler lib dir, not the system lib dir.
  11 libgfortranbegin_la_SOURCES = fmain.c
  12 libgfortranbegin_la_LDFLAGS = -static
  13
  14 ## io.h conflicts with some a system header on some platforms, so
  15 ## use -iquote
  16 AM_CPPFLAGS = -iquote$(srcdir)/io
  17
  18 libgfortranincludedir = $(includedir)/gforio
  19
  20 gfor_io_src= \
  21 io/backspace.c \
  22 io/close.c \
  23 io/endfile.c \
  24 io/format.c \
  25 io/inquire.c \
  26 io/list_read.c \
  27 io/lock.c \
  28 io/open.c \
  29 io/read.c \
  30 io/rewind.c \
  31 io/transfer.c \
  32 io/unit.c \
  33 io/unix.c \
  34 io/write.c
  35
  36 gfor_io_headers= \
  37 io/io.h
  38
  39 gfor_helper_src= \
  40 intrinsics/associated.c \
  41 intrinsics/abort.c \
  42 intrinsics/args.c \
  43 intrinsics/bessel.c \
  44 intrinsics/c99_functions.c \
  45 intrinsics/chdir.c \
  46 intrinsics/cpu_time.c \
  47 intrinsics/cshift0.c \
  48 intrinsics/ctime.c \
  49 intrinsics/date_and_time.c \
  50 intrinsics/env.c \
  51 intrinsics/erf.c \
  52 intrinsics/eoshift0.c \
  53 intrinsics/eoshift2.c \
  54 intrinsics/etime.c \
  55 intrinsics/exit.c \
  56 intrinsics/fget.c \
  57 intrinsics/flush.c \
  58 intrinsics/fnum.c \
  59 intrinsics/ftell.c \
  60 intrinsics/gerror.c \
  61 intrinsics/getcwd.c \
  62 intrinsics/getlog.c \
  63 intrinsics/getXid.c \
  64 intrinsics/hostnm.c \
  65 intrinsics/kill.c \
  66 intrinsics/ierrno.c \
  67 intrinsics/ishftc.c \
  68 intrinsics/link.c \
  69 intrinsics/mvbits.c \
  70 intrinsics/pack_generic.c \
  71 intrinsics/perror.c \
  72 intrinsics/size.c \
  73 intrinsics/sleep.c \
  74 intrinsics/spread_generic.c \
  75 intrinsics/string_intrinsics.c \
  76 intrinsics/system.c \
  77 intrinsics/rand.c \
  78 intrinsics/random.c \
  79 intrinsics/rename.c \
  80 intrinsics/reshape_generic.c \
  81 intrinsics/reshape_packed.c \
  82 intrinsics/selected_int_kind.f90 \
  83 intrinsics/selected_real_kind.f90 \
  84 intrinsics/stat.c \
  85 intrinsics/symlnk.c \
  86 intrinsics/system_clock.c \
  87 intrinsics/time.c \
  88 intrinsics/transpose_generic.c \
  89 intrinsics/tty.c \
  90 intrinsics/umask.c \
  91 intrinsics/unlink.c \
  92 intrinsics/unpack_generic.c \
  93 runtime/in_pack_generic.c \
  94 runtime/in_unpack_generic.c \
  95 runtime/normalize.c
  96
  97 gfor_src= \
  98 runtime/compile_options.c \
  99 runtime/environ.c \
 100 runtime/error.c \
 101 runtime/main.c \
 102 runtime/memory.c \
 103 runtime/pause.c \
 104 runtime/stop.c \
 105 runtime/string.c \
 106 runtime/select.c \
 107 gfortypes.h \
 108 libgfortran.h
 109
 110 i_all_c= \
 111 generated/all_l4.c \
 112 generated/all_l8.c
 113
 114 i_any_c= \
 115 generated/any_l4.c \
 116 generated/any_l8.c
 117
 118 i_count_c= \
 119 generated/count_4_l4.c \
 120 generated/count_8_l4.c \
 121 generated/count_4_l8.c \
 122 generated/count_8_l8.c
 123
 124 i_maxloc0_c= \
 125 generated/maxloc0_4_i4.c \
 126 generated/maxloc0_8_i4.c \
 127 generated/maxloc0_4_i8.c \
 128 generated/maxloc0_8_i8.c \
 129 generated/maxloc0_4_r4.c \
 130 generated/maxloc0_8_r4.c \
 131 generated/maxloc0_4_r8.c \
 132 generated/maxloc0_8_r8.c
 133
 134 i_maxloc1_c= \
 135 generated/maxloc1_4_i4.c \
 136 generated/maxloc1_8_i4.c \
 137 generated/maxloc1_4_i8.c \
 138 generated/maxloc1_8_i8.c \
 139 generated/maxloc1_4_r4.c \
 140 generated/maxloc1_8_r4.c \
 141 generated/maxloc1_4_r8.c \
 142 generated/maxloc1_8_r8.c
 143
 144 i_maxval_c= \
 145 generated/maxval_i4.c \
 146 generated/maxval_i8.c \
 147 generated/maxval_r4.c \
 148 generated/maxval_r8.c
 149
 150 i_minloc0_c= \
 151 generated/minloc0_4_i4.c \
 152 generated/minloc0_8_i4.c \
 153 generated/minloc0_4_i8.c \
 154 generated/minloc0_8_i8.c \
 155 generated/minloc0_4_r4.c \
 156 generated/minloc0_8_r4.c \
 157 generated/minloc0_4_r8.c \
 158 generated/minloc0_8_r8.c
 159
 160 i_minloc1_c= \
 161 generated/minloc1_4_i4.c \
 162 generated/minloc1_8_i4.c \
 163 generated/minloc1_4_i8.c \
 164 generated/minloc1_8_i8.c \
 165 generated/minloc1_4_r4.c \
 166 generated/minloc1_8_r4.c \
 167 generated/minloc1_4_r8.c \
 168 generated/minloc1_8_r8.c
 169
 170 i_minval_c= \
 171 generated/minval_i4.c \
 172 generated/minval_i8.c \
 173 generated/minval_r4.c \
 174 generated/minval_r8.c
 175
 176 i_sum_c= \
 177 generated/sum_i4.c \
 178 generated/sum_i8.c \
 179 generated/sum_r4.c \
 180 generated/sum_r8.c \
 181 generated/sum_c4.c \
 182 generated/sum_c8.c
 183
 184 i_product_c= \
 185 generated/product_i4.c \
 186 generated/product_i8.c \
 187 generated/product_r4.c \
 188 generated/product_r8.c \
 189 generated/product_c4.c \
 190 generated/product_c8.c
 191
 192 i_dotprod_c= \
 193 generated/dotprod_i4.c \
 194 generated/dotprod_i8.c \
 195 generated/dotprod_r4.c \
 196 generated/dotprod_r8.c
 197
 198 i_dotprodl_c= \
 199 generated/dotprod_l4.c \
 200 generated/dotprod_l8.c
 201
 202 i_dotprodc_c= \
 203 generated/dotprod_c4.c \
 204 generated/dotprod_c8.c
 205
 206 i_matmul_c= \
 207 generated/matmul_i4.c \
 208 generated/matmul_i8.c \
 209 generated/matmul_r4.c \
 210 generated/matmul_r8.c \
 211 generated/matmul_c4.c \
 212 generated/matmul_c8.c
 213
 214 i_matmull_c= \
 215 generated/matmul_l4.c \
 216 generated/matmul_l8.c
 217
 218 i_transpose_c= \
 219 generated/transpose_i4.c \
 220 generated/transpose_i8.c \
 221 generated/transpose_c4.c \
 222 generated/transpose_c8.c
 223
 224 i_shape_c= \
 225 generated/shape_i4.c \
 226 generated/shape_i8.c
 227
 228 i_reshape_c= \
 229 generated/reshape_i4.c \
 230 generated/reshape_i8.c \
 231 generated/reshape_c4.c \
 232 generated/reshape_c8.c
 233
 234 i_eoshift1_c= \
 235 generated/eoshift1_4.c \
 236 generated/eoshift1_8.c
 237
 238 i_eoshift3_c= \
 239 generated/eoshift3_4.c \
 240 generated/eoshift3_8.c
 241
 242 i_cshift1_c= \
 243 generated/cshift1_4.c \
 244 generated/cshift1_8.c
 245
 246 in_pack_c = \
 247 generated/in_pack_i4.c \
 248 generated/in_pack_i8.c \
 249 generated/in_pack_c4.c \
 250 generated/in_pack_c8.c
 251
 252 in_unpack_c = \
 253 generated/in_unpack_i4.c \
 254 generated/in_unpack_i8.c \
 255 generated/in_unpack_c4.c \
 256 generated/in_unpack_c8.c
 257
 258 i_exponent_c = \
 259 generated/exponent_r4.c \
 260 generated/exponent_r8.c
 261
 262 i_fraction_c = \
 263 generated/fraction_r4.c \
 264 generated/fraction_r8.c
 265
 266 i_nearest_c = \
 267 generated/nearest_r4.c \
 268 generated/nearest_r8.c
 269
 270 i_set_exponent_c = \
 271 generated/set_exponent_r4.c \
 272 generated/set_exponent_r8.c
 273
 274 i_pow_c = \
 275 generated/pow_i4_i4.c \
 276 generated/pow_i8_i4.c \
 277 generated/pow_r4_i4.c \
 278 generated/pow_r8_i4.c \
 279 generated/pow_c4_i4.c \
 280 generated/pow_c8_i4.c \
 281 generated/pow_i4_i8.c \
 282 generated/pow_i8_i8.c \
 283 generated/pow_r4_i8.c \
 284 generated/pow_r8_i8.c \
 285 generated/pow_c4_i8.c \
 286 generated/pow_c8_i8.c
 287
 288 m4_files= m4/iparm.m4 m4/ifunction.m4 m4/iforeach.m4 m4/all.m4 \
 289     m4/any.m4 m4/count.m4 m4/maxloc0.m4 m4/maxloc1.m4 m4/maxval.m4 \
 290     m4/minloc0.m4 m4/minloc1.m4 m4/minval.m4 m4/product.m4 m4/sum.m4 \
 291     m4/dotprod.m4 m4/dotprodl.m4 m4/dotprodc.m4 m4/matmul.m4 m4/matmull.m4 \
 292     m4/ctrig.m4 m4/cexp.m4 m4/chyp.m4 m4/mtype.m4 \
 293     m4/specific.m4 m4/specific2.m4 m4/head.m4 m4/shape.m4 m4/reshape.m4 \
 294     m4/transpose.m4 m4/eoshift1.m4 m4/eoshift3.m4 m4/exponent.m4 \
 295     m4/fraction.m4 m4/nearest.m4 m4/set_exponent.m4 m4/pow.m4
 296
 297 gfor_built_src= $(i_all_c) $(i_any_c) $(i_count_c) $(i_maxloc0_c) \
 298     $(i_maxloc1_c) $(i_maxval_c) $(i_minloc0_c) $(i_minloc1_c) $(i_minval_c) \
 299     $(i_product_c) $(i_sum_c) $(i_dotprod_c) $(i_dotprodl_c) $(i_dotprodc_c) \
 300     $(i_matmul_c) $(i_matmull_c) $(i_transpose_c) $(i_shape_c) $(i_eoshift1_c) \
 301     $(i_eoshift3_c) $(i_cshift1_c) $(i_reshape_c) $(in_pack_c) $(in_unpack_c) \
 302     $(i_exponent_c) $(i_fraction_c) $(i_nearest_c) $(i_set_exponent_c) \
 303     $(i_pow_c) \
 304     selected_int_kind.inc selected_real_kind.inc
 305
 306 # We only use these if libm doesn't contain complex math functions.
 307
 308 gfor_math_trig_c= \
 309 generated/trig_c4.c \
 310 generated/trig_c8.c
 311 gfor_math_exp_c= \
 312 generated/exp_c4.c \
 313 generated/exp_c8.c
 314 gfor_math_hyp_c= \
 315 generated/hyp_c4.c \
 316 generated/hyp_c8.c
 317
 318 gfor_math_trig_obj= \
 319 trig_c4.lo \
 320 trig_c8.lo
 321 gfor_math_exp_obj= \
 322 exp_c4.lo \
 323 exp_c8.lo
 324 gfor_math_hyp_obj= \
 325 hyp_c4.lo \
 326 hyp_c8.lo
 327
 328 # Machine generated specifics
 329 gfor_built_specific_src= \
 330 generated/_abs_c4.f90 \
 331 generated/_abs_c8.f90 \
 332 generated/_abs_i4.f90 \
 333 generated/_abs_i8.f90 \
 334 generated/_abs_r4.f90 \
 335 generated/_abs_r8.f90 \
 336 generated/_exp_r4.f90 \
 337 generated/_exp_r8.f90 \
 338 generated/_exp_c4.f90 \
 339 generated/_exp_c8.f90 \
 340 generated/_log_r4.f90 \
 341 generated/_log_r8.f90 \
 342 generated/_log_c4.f90 \
 343 generated/_log_c8.f90 \
 344 generated/_log10_r4.f90 \
 345 generated/_log10_r8.f90 \
 346 generated/_sqrt_r4.f90 \
 347 generated/_sqrt_r8.f90 \
 348 generated/_sqrt_c4.f90 \
 349 generated/_sqrt_c8.f90 \
 350 generated/_asin_r4.f90 \
 351 generated/_asin_r8.f90 \
 352 generated/_acos_r4.f90 \
 353 generated/_acos_r8.f90 \
 354 generated/_atan_r4.f90 \
 355 generated/_atan_r8.f90 \
 356 generated/_sin_r4.f90 \
 357 generated/_sin_r8.f90 \
 358 generated/_sin_c4.f90 \
 359 generated/_sin_c8.f90 \
 360 generated/_cos_r4.f90 \
 361 generated/_cos_r8.f90 \
 362 generated/_cos_c4.f90 \
 363 generated/_cos_c8.f90 \
 364 generated/_tan_r4.f90 \
 365 generated/_tan_r8.f90 \
 366 generated/_sinh_r4.f90 \
 367 generated/_sinh_r8.f90 \
 368 generated/_cosh_r4.f90 \
 369 generated/_cosh_r8.f90 \
 370 generated/_tanh_r4.f90 \
 371 generated/_tanh_r8.f90 \
 372 generated/_conjg_c4.f90 \
 373 generated/_conjg_c8.f90 \
 374 generated/_aint_r4.f90 \
 375 generated/_aint_r8.f90 \
 376 generated/_anint_r4.f90 \
 377 generated/_anint_r8.f90
 378
 379 gfor_built_specific2_src= \
 380 generated/_sign_i4.f90 \
 381 generated/_sign_i8.f90 \
 382 generated/_sign_r4.f90 \
 383 generated/_sign_r8.f90 \
 384 generated/_dim_i4.f90 \
 385 generated/_dim_i8.f90 \
 386 generated/_dim_r4.f90 \
 387 generated/_dim_r8.f90 \
 388 generated/_atan2_r4.f90 \
 389 generated/_atan2_r8.f90 \
 390 generated/_mod_i4.f90 \
 391 generated/_mod_i8.f90 \
 392 generated/_mod_r4.f90 \
 393 generated/_mod_r8.f90
 394 #specific intrinsics requiring manal code
 395 #gfor_specific_c= \
 396 intrinsics/_aimag.c \
 397 intrinsics/_cabs.c \
 398 foo
 399
 400 gfor_specific_src= \
 401 $(gfor_built_specific_src) \
 402 $(gfor_built_specific2_src) \
 403 intrinsics/dprod_r8.f90 \
 404 intrinsics/f2c_specifics.F90
 405
 406 gfor_cmath_src= $(gfor_math_trig_c) $(gfor_math_exp_c) $(gfor_math_hyp_c)
 407 gfor_cmath_obj= $(gfor_math_trig_obj) $(gfor_math_exp_obj) \
 408     $(gfor_math_hyp_obj)
 409
 410 BUILT_SOURCES=$(gfor_built_src) $(gfor_cmath_src) $(gfor_built_specific_src) \
 411     $(gfor_built_specific2_src)
 412 libgfortran_la_SOURCES = $(gfor_src) $(gfor_built_src) $(gfor_io_src) \
 413     $(gfor_helper_src) $(gfor_io_headers) $(gfor_specific_src)
 414
 415 EXTRA_libgfortran_la_SOURCES = $(gfor_cmath_src)
 416
 417 libgfortran_la_LIBADD = @MATH_OBJ@
 418 libgfortran_la_DEPENDENCIES = @MATH_OBJ@
 419
 420 I_M4_DEPS=m4/iparm.m4
 421 I_M4_DEPS0=$(I_M4_DEPS) m4/iforeach.m4
 422 I_M4_DEPS1=$(I_M4_DEPS) m4/ifunction.m4
 423
 424 selected_int_kind.inc: $(srcdir)/mk-sik-inc.sh
 425         $(SHELL) $(srcdir)/mk-sik-inc.sh '$(FCCOMPILE)' > $@
 426
 427 selected_real_kind.inc: $(srcdir)/mk-srk-inc.sh
 428         $(SHELL) $(srcdir)/mk-srk-inc.sh '$(FCCOMPILE)' > $@
 429
 430 ## A 'normal' build shouldn't need to regenerate these
 431 ## so we only include them in maintainer mode
 432
 433 if MAINTAINER_MODE
 434 $(i_all_c): m4/all.m4 $(I_M4_DEPS1)
 435         m4 -Dfile=$@ -I$(srcdir)/m4 all.m4 > $(srcdir)/$@
 436
 437 $(i_any_c): m4/any.m4 $(I_M4_DEPS1)
 438         m4 -Dfile=$@ -I$(srcdir)/m4 any.m4> $(srcdir)/$@
 439
 440 $(i_count_c): m4/count.m4 $(I_M4_DEPS1)
 441         m4 -Dfile=$@ -I$(srcdir)/m4 count.m4> $(srcdir)/$@
 442
 443 $(i_maxloc0_c): m4/maxloc0.m4 $(I_M4_DEPS0)
 444         m4 -Dfile=$@ -I$(srcdir)/m4 maxloc0.m4 > $(srcdir)/$@
 445
 446 $(i_maxloc1_c): m4/maxloc1.m4 $(I_M4_DEPS1)
 447         m4 -Dfile=$@ -I$(srcdir)/m4 maxloc1.m4 > $(srcdir)/$@
 448
 449 $(i_maxval_c): m4/maxval.m4 $(I_M4_DEPS1)
 450         m4 -Dfile=$@ -I$(srcdir)/m4 maxval.m4 > $(srcdir)/$@
 451
 452 $(i_minloc0_c): m4/minloc0.m4 $(I_M4_DEPS0)
 453         m4 -Dfile=$@ -I$(srcdir)/m4 minloc0.m4 > $(srcdir)/$@
 454
 455 $(i_minloc1_c): m4/minloc1.m4 $(I_M4_DEPS1)
 456         m4 -Dfile=$@ -I$(srcdir)/m4 minloc1.m4 > $(srcdir)/$@
 457
 458 $(i_minval_c): m4/minval.m4 $(I_M4_DEPS1)
 459         m4 -Dfile=$@ -I$(srcdir)/m4 minval.m4 > $(srcdir)/$@
 460
 461 $(i_product_c): m4/product.m4 $(I_M4_DEPS1)
 462         m4 -Dfile=$@ -I$(srcdir)/m4 product.m4 > $(srcdir)/$@
 463
 464 $(i_sum_c): m4/sum.m4 $(I_M4_DEPS1)
 465         m4 -Dfile=$@ -I$(srcdir)/m4 sum.m4 > $(srcdir)/$@
 466
 467 $(i_dotprod_c): m4/dotprod.m4 $(I_M4_DEPS)
 468         m4 -Dfile=$@ -I$(srcdir)/m4 dotprod.m4 > $(srcdir)/$@
 469
 470 $(i_dotprodl_c): m4/dotprodl.m4 $(I_M4_DEPS)
 471         m4 -Dfile=$@ -I$(srcdir)/m4 dotprodl.m4 > $(srcdir)/$@
 472
 473 $(i_dotprodc_c): m4/dotprodc.m4 $(I_M4_DEPS)
 474         m4 -Dfile=$@ -I$(srcdir)/m4 dotprodc.m4 > $(srcdir)/$@
 475
 476 $(i_matmul_c): m4/matmul.m4 $(I_M4_DEPS)
 477         m4 -Dfile=$@ -I$(srcdir)/m4 matmul.m4 > $(srcdir)/$@
 478
 479 $(i_matmull_c): m4/matmull.m4 $(I_M4_DEPS)
 480         m4 -Dfile=$@ -I$(srcdir)/m4 matmull.m4 > $(srcdir)/$@
 481
 482 $(i_transpose_c): m4/transpose.m4 $(I_M4_DEPS)
 483         m4 -Dfile=$@ -I$(srcdir)/m4 transpose.m4 > $(srcdir)/$@
 484
 485 $(i_shape_c): m4/shape.m4 $(I_M4_DEPS)
 486         m4 -Dfile=$@ -I$(srcdir)/m4 shape.m4 > $(srcdir)/$@
 487
 488 $(i_reshape_c): m4/reshape.m4 $(I_M4_DEPS)
 489         m4 -Dfile=$@ -I$(srcdir)/m4 reshape.m4 > $(srcdir)/$@
 490
 491 $(i_eoshift1_c): m4/eoshift1.m4 $(I_M4_DEPS)
 492         m4 -Dfile=$@ -I$(srcdir)/m4 eoshift1.m4 > $(srcdir)/$@
 493
 494 $(i_eoshift3_c): m4/eoshift3.m4 $(I_M4_DEPS)
 495         m4 -Dfile=$@ -I$(srcdir)/m4 eoshift3.m4 > $(srcdir)/$@
 496
 497 $(i_cshift1_c): m4/cshift1.m4 $(I_M4_DEPS)
 498         m4 -Dfile=$@ -I$(srcdir)/m4 cshift1.m4 > $(srcdir)/$@
 499
 500 $(in_pack_c): m4/in_pack.m4 $(I_M4_DEPS)
 501         m4 -Dfile=$@ -I$(srcdir)/m4 in_pack.m4 > $(srcdir)/$@
 502
 503 $(in_unpack_c): m4/in_unpack.m4 $(I_M4_DEPS)
 504         m4 -Dfile=$@ -I$(srcdir)/m4 in_unpack.m4 > $(srcdir)/$@
 505
 506 $(i_exponent_c): m4/exponent.m4 m4/mtype.m4
 507         m4 -Dfile=$@ -I$(srcdir)/m4 exponent.m4 > $(srcdir)/$@
 508
 509 $(i_fraction_c): m4/fraction.m4 m4/mtype.m4
 510         m4 -Dfile=$@ -I$(srcdir)/m4 fraction.m4 > $(srcdir)/$@
 511
 512 $(i_nearest_c): m4/nearest.m4 m4/mtype.m4
 513         m4 -Dfile=$@ -I$(srcdir)/m4 nearest.m4 > $(srcdir)/$@
 514
 515 $(i_set_exponent_c): m4/set_exponent.m4 m4/mtype.m4
 516         m4 -Dfile=$@ -I$(srcdir)/m4 set_exponent.m4 > $(srcdir)/$@
 517
 518 $(i_pow_c): m4/pow.m4 $(I_M4_DEPS)
 519         m4 -Dfile=$@ -I$(srcdir)/m4 pow.m4 > $(srcdir)/$@
 520
 521 $(gfor_math_trig_c): m4/ctrig.m4 m4/mtype.m4
 522         m4 -Dfile=$@ -I$(srcdir)/m4 ctrig.m4 > $(srcdir)/$@
 523
 524 $(gfor_math_exp_c): m4/cexp.m4 m4/mtype.m4
 525         m4 -Dfile=$@ -I$(srcdir)/m4 cexp.m4 > $(srcdir)/$@
 526
 527 $(gfor_math_hyp_c): m4/chyp.m4 m4/mtype.m4
 528         m4 -Dfile=$@ -I$(srcdir)/m4 chyp.m4 > $(srcdir)/$@
 529
 530 $(gfor_built_specific_src): m4/specific.m4 m4/head.m4
 531         m4 -Dfile=$@ -I$(srcdir)/m4 specific.m4 > $(srcdir)/$@
 532
 533 $(gfor_built_specific2_src): m4/specific2.m4 m4/head.m4
 534         m4 -Dfile=$@ -I$(srcdir)/m4 specific2.m4 > $(srcdir)/$@
 535 ## end of maintainer mode only rules
 536 endif
 537
 538 EXTRA_DIST = $(m4_files)