gcc/testsuite/lib/gfortran.exp

   1 # Copyright (C) 2003-2024 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with GCC; see the file COPYING3.  If not see
  15 # <http://www.gnu.org/licenses/>.
  16
  17 # This file is just 'sed -e 's/77/fortran/g' \
  18 #                        -e 's/f2c/gfortran' g77.exp > gfortran.exp'
  19 #
  20 # with some minor modifications to make it work.
  21
  22 #
  23 # gfortran support library routines
  24 #
  25 load_lib prune.exp
  26 load_lib gcc-defs.exp
  27 load_lib timeout.exp
  28 load_lib target-libpath.exp
  29 load_lib target-supports.exp
  30
  31 #
  32 # GFORTRAN_UNDER_TEST is the compiler under test.
  33 #
  34
  35
  36 set gpp_compile_options ""
  37
  38
  39 #
  40 # gfortran_version -- extract and print the version number of the compiler
  41 #
  42
  43 proc gfortran_version { } {
  44     global GFORTRAN_UNDER_TEST
  45
  46     gfortran_init
  47
  48     # ignore any arguments after the command
  49     set compiler [lindex $GFORTRAN_UNDER_TEST 0]
  50
  51     # verify that the compiler exists
  52     if { [is_remote host] || [which $compiler] != 0 } then {
  53         set tmp [remote_exec host "$compiler -v"]
  54         set status [lindex $tmp 0]
  55         set output [lindex $tmp 1]
  56         regexp " version \[^\n\r\]*" $output version
  57         if { $status == 0 && [info exists version] } then {
  58             if [is_remote host] {
  59                 clone_output "$compiler $version\n"
  60             } else {
  61                 clone_output "[which $compiler] $version\n"
  62             }
  63         } else {
  64             clone_output "Couldn't determine version of [which $compiler]\n"
  65         }
  66     } else {
  67         # compiler does not exist (this should have already been detected)
  68         warning "$compiler does not exist"
  69     }
  70 }
  71
  72 #
  73 # gfortran_link_flags -- provide new version of gfortran_link_flags
  74 # (originally from libgloss.exp) which knows about the gcc tree structure
  75 #
  76
  77 proc gfortran_link_flags { paths } {
  78     global srcdir
  79     global ld_library_path
  80     global GFORTRAN_UNDER_TEST
  81     global shlib_ext
  82     global ENABLE_DARWIN_AT_RPATH
  83
  84     set gccpath ${paths}
  85     set libio_dir ""
  86     set flags ""
  87     set ld_library_path "."
  88     set shlib_ext [get_shlib_extension]
  89     verbose "shared lib extension: $shlib_ext"
  90
  91     # We need to add options to locate libgfortran and the dependent libs
  92     # libquadmath (supporting REAL*16) and libatomic (supporting operations
  93     # used by coarrays).  Usually '-L' options are added to point to the
  94     # relevant directories for the uninstalled libraries.
  95
  96     # In cases where libraries are available as both shared and convenience
  97     # some additional checks are made.
  98
  99     # For some targets -static-xxxx options are handled by specs substitution
 100     # and need a '-B' option rather than '-L'.  For Darwin, when embedded
 101     # runpaths are in use (the default for all versions after macOS 10.11),
 102     # '-B' is also needed to provide the runpath.
 103     # When '-B' is used, this results in a '-L' for each path that exists (so
 104     # that appending a '-L' as well is a needless duplicate).  There are also
 105     # cases where tools warn for duplicates, leading to spurious fails.
 106     # Therefore the objective of the code below is to add just one '-L' or
 107     # '-B' for each of the libraries.
 108
 109     set target_wants_B_option 0
 110     if { [istarget *-*-darwin9* ] || [istarget *-*-darwin\[12\]* ] } {
 111       set target_wants_B_option 1
 112     }
 113
 114     if { $gccpath != "" } {
 115       if [file exists "${gccpath}/libgfortran/libgforbegin.a"] {
 116           append flags "-L${gccpath}/libgfortran "
 117       }
 118       if { [file exists "${gccpath}/libgfortran/.libs/libgfortran.a"] ||
 119          [file exists "${gccpath}/libgfortran/.libs/libgfortran.${shlib_ext}"] } {
 120         if { $target_wants_B_option } {
 121           append flags "-B${gccpath}/libgfortran/.libs "
 122         } else {
 123           append flags "-L${gccpath}/libgfortran/.libs "
 124         }
 125         append ld_library_path ":${gccpath}/libgfortran/.libs"
 126       }
 127
 128       if { [file exists "${gccpath}/libatomic/.libs/libatomic.a"] ||
 129          [file exists "${gccpath}/libatomic/.libs/libatomic.${shlib_ext}"] } {
 130         if { $target_wants_B_option } {
 131           append flags "-B${gccpath}/libatomic/.libs "
 132         } else {
 133           append flags "-L${gccpath}/libatomic/.libs "
 134         }
 135         append ld_library_path ":${gccpath}/libatomic/.libs"
 136       }
 137
 138       if { [file exists "${gccpath}/libquadmath/.libs/libquadmath.a"] ||
 139          [file exists "${gccpath}/libquadmath/.libs/libquadmath.${shlib_ext}"] } {
 140         if { $target_wants_B_option } {
 141           append flags "-B${gccpath}/libquadmath/.libs "
 142         } else {
 143           append flags "-L${gccpath}/libquadmath/.libs "
 144         }
 145         append ld_library_path ":${gccpath}/libquadmath/.libs"
 146       }
 147
 148       if [file exists "${gccpath}/libiberty/libiberty.a"] {
 149           append flags "-L${gccpath}/libiberty "
 150       }
 151       append ld_library_path \
 152         [gcc-set-multilib-library-path $GFORTRAN_UNDER_TEST ]
 153     }
 154
 155     set_ld_library_path_env_vars
 156
 157     return "$flags"
 158 }
 159
 160 #
 161 # gfortran_init -- called at the start of each subdir of tests
 162 #
 163
 164 proc gfortran_init { args } {
 165     global subdir
 166     global gpp_initialized
 167     global base_dir
 168     global tmpdir
 169     global libdir
 170     global gluefile wrap_flags
 171     global objdir srcdir
 172     global ALWAYS_GFORTRANFLAGS
 173     global TOOL_EXECUTABLE TOOL_OPTIONS
 174     global GFORTRAN_UNDER_TEST
 175     global TESTING_IN_BUILD_TREE
 176     global gcc_warning_prefix
 177     global gcc_error_prefix
 178     global TEST_ALWAYS_FLAGS
 179     global gfortran_init_set_GFORTRAN_UNDER_TEST
 180
 181     # We set LC_ALL and LANG to C so that we get the same error messages as expected.
 182     setenv LC_ALL C
 183     setenv LANG C
 184
 185     set gcc_warning_prefix "\[Ww\]arning:"
 186     set gcc_error_prefix "(Fatal )?\[Ee\]rror:"
 187
 188     # Many hosts now default to a non-ASCII C locale, however, so
 189     # they can set a charset encoding here if they need.
 190     if { [ishost "*-*-cygwin*"] } {
 191       setenv LC_ALL C.ASCII
 192       setenv LANG C.ASCII
 193     }
 194
 195     # GFORTRAN_UNDER_TEST as set below contains $specpath, which depends on
 196     # the used multilib config. Thus, its value may need to be reset;
 197     # that's tracked via gfortran_init_set_GFORTRAN_UNDER_TEST.
 198     if { ![info exists GFORTRAN_UNDER_TEST]
 199          || [info exists gfortran_init_set_GFORTRAN_UNDER_TEST] } then {
 200         if [info exists TOOL_EXECUTABLE] {
 201             set GFORTRAN_UNDER_TEST $TOOL_EXECUTABLE
 202         } else {
 203             if { [is_remote host] || ! [info exists TESTING_IN_BUILD_TREE] } {
 204                 set GFORTRAN_UNDER_TEST [transform gfortran]
 205             } else {
 206                 if [info exists TOOL_OPTIONS] {
 207                     set specpath [get_multilibs ${TOOL_OPTIONS}]
 208                 } else {
 209                     set specpath [get_multilibs]
 210                 }
 211                 set gfortran_init_set_GFORTRAN_UNDER_TEST 1
 212                 set GFORTRAN_UNDER_TEST [findfile $base_dir/../../gfortran "$base_dir/../../gfortran -B$base_dir/../../ -B$specpath/libgfortran/" [findfile $base_dir/gfortran "$base_dir/gfortran -B$base_dir/" [transform gfortran]]]
 213             }
 214         }
 215     }
 216
 217     if ![is_remote host] {
 218         if { [which $GFORTRAN_UNDER_TEST] == 0 } then {
 219             perror "GFORTRAN_UNDER_TEST ($GFORTRAN_UNDER_TEST) does not exist"
 220             exit 1
 221         }
 222     }
 223     if ![info exists tmpdir] {
 224         set tmpdir "/tmp"
 225     }
 226
 227     if [info exists gluefile] {
 228         unset gluefile
 229     }
 230
 231     gfortran_maybe_build_wrapper "${tmpdir}/gfortran-testglue.o"
 232
 233     set ALWAYS_GFORTRANFLAGS ""
 234
 235     # TEST_ALWAYS_FLAGS are flags that should be passed to every
 236     # compilation.  They are passed first to allow individual
 237     # tests to override them.
 238     if [info exists TEST_ALWAYS_FLAGS] {
 239         lappend ALWAYS_GFORTRANFLAGS "additional_flags=$TEST_ALWAYS_FLAGS"
 240     }
 241
 242     if ![is_remote host] {
 243         if [info exists TOOL_OPTIONS] {
 244             lappend ALWAYS_GFORTRANFLAGS "ldflags=[gfortran_link_flags [get_multilibs ${TOOL_OPTIONS}] ]"
 245         } else {
 246             lappend ALWAYS_GFORTRANFLAGS "ldflags=[gfortran_link_flags [get_multilibs] ]"
 247         }
 248     }
 249
 250     if [info exists TOOL_OPTIONS] {
 251         lappend ALWAYS_GFORTRANFLAGS "additional_flags=$TOOL_OPTIONS"
 252     }
 253
 254     verbose -log "ALWAYS_GFORTRANFLAGS set to $ALWAYS_GFORTRANFLAGS"
 255
 256     verbose "gfortran is initialized" 3
 257 }
 258
 259 #
 260 # gfortran_target_compile -- compile a source file
 261 #
 262
 263 proc gfortran_target_compile { source dest type options } {
 264     global tmpdir
 265     global gluefile wrap_flags
 266     global ALWAYS_GFORTRANFLAGS
 267     global GFORTRAN_UNDER_TEST
 268     global TEST_ALWAYS_FLAGS
 269     global flags_to_postpone
 270     global board_info
 271
 272     if { [target_info needs_status_wrapper] != "" && [info exists gluefile] } {
 273         lappend options "libs=${gluefile}"
 274         lappend options "ldflags=${wrap_flags}"
 275     }
 276
 277     # TEST_ALWAYS_FLAGS are flags that should be passed to every
 278     # compilation.  They are passed first to allow individual
 279     # tests to override them.
 280     if [info exists TEST_ALWAYS_FLAGS] {
 281         set options [concat "{additional_flags=$TEST_ALWAYS_FLAGS}" $options]
 282     }
 283
 284     # bind_pic_locally adds -fpie/-fPIE flags to flags_to_postpone and it is
 285     # appended here to multilib_flags as it can be overridden by the latter
 286     # if it was added earlier. After the target_compile, multilib_flags is
 287     # restored to its orignal content.
 288     set tboard [target_info name]
 289     if {[board_info $tboard exists multilib_flags]} {
 290         set orig_multilib_flags "[board_info [target_info name] multilib_flags]"
 291         append board_info($tboard,multilib_flags) " $flags_to_postpone"
 292     }
 293
 294     lappend options "compiler=$GFORTRAN_UNDER_TEST"
 295     lappend options "timeout=[timeout_value]"
 296
 297     set options [concat "$ALWAYS_GFORTRANFLAGS" $options]
 298     set options [dg-additional-files-options $options $source]
 299     set return_val [target_compile $source $dest $type $options]
 300
 301     if {[board_info $tboard exists multilib_flags]} {
 302         set board_info($tboard,multilib_flags) $orig_multilib_flags
 303         set flags_to_postpone ""
 304     }
 305
 306     return $return_val
 307 }