1# Copyright (C) 2003-2021 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#
25load_lib prune.exp
26load_lib gcc-defs.exp
27load_lib timeout.exp
28load_lib target-libpath.exp
29load_lib target-supports.exp
30
31#
32# GFORTRAN_UNDER_TEST is the compiler under test.
33#
34
35
36set gpp_compile_options ""
37
38
39#
40# gfortran_version -- extract and print the version number of the compiler
41#
42
43proc 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
77proc gfortran_link_flags { paths } {
78    global srcdir
79    global ld_library_path
80    global GFORTRAN_UNDER_TEST
81    global shlib_ext
82
83    set gccpath ${paths}
84    set libio_dir ""
85    set flags ""
86    set ld_library_path "."
87    set shlib_ext [get_shlib_extension]
88    verbose "shared lib extension: $shlib_ext"
89
90    if { $gccpath != "" } {
91      if [file exists "${gccpath}/libgfortran/.libs/libgfortran.a"] {
92          # Some targets use libgfortran.a%s in their specs, so they need a -B option
93          # for uninstalled testing.
94          append flags "-B${gccpath}/libgfortran/.libs "
95          append flags "-L${gccpath}/libgfortran/.libs "
96          append ld_library_path ":${gccpath}/libgfortran/.libs"
97      }
98      if [file exists "${gccpath}/libgfortran/.libs/libgfortran.${shlib_ext}"] {
99	  append flags "-L${gccpath}/libgfortran/.libs "
100	  append ld_library_path ":${gccpath}/libgfortran/.libs"
101      }
102      if [file exists "${gccpath}/libgfortran/libgforbegin.a"] {
103          append flags "-L${gccpath}/libgfortran "
104      }
105      if [file exists "${gccpath}/libatomic/.libs/libatomic.${shlib_ext}"] {
106	  append flags "-L${gccpath}/libatomic/.libs "
107	  append ld_library_path ":${gccpath}/libatomic/.libs"
108      }
109      if [file exists "${gccpath}/libatomic/libatomic.a"] {
110          append flags "-L${gccpath}/libatomic "
111      }
112      if [file exists "${gccpath}/libquadmath/.libs/libquadmath.a"] {
113          # Some targets use libquadmath.a%s in their specs, so they need a -B option
114          # for uninstalled testing.
115          append flags "-B${gccpath}/libquadmath/.libs "
116          append flags "-L${gccpath}/libquadmath/.libs "
117          append ld_library_path ":${gccpath}/libquadmath/.libs"
118      }
119      if [file exists "${gccpath}/libquadmath/.libs/libquadmath.${shlib_ext}"] {
120	  append flags "-L${gccpath}/libquadmath/.libs "
121	  append ld_library_path ":${gccpath}/libquadmath/.libs"
122      }
123      if [file exists "${gccpath}/libiberty/libiberty.a"] {
124          append flags "-L${gccpath}/libiberty "
125      }
126      append ld_library_path \
127	[gcc-set-multilib-library-path $GFORTRAN_UNDER_TEST ]
128    }
129
130    set_ld_library_path_env_vars
131
132    return "$flags"
133}
134
135#
136# gfortran_init -- called at the start of each subdir of tests
137#
138
139proc gfortran_init { args } {
140    global subdir
141    global gpp_initialized
142    global base_dir
143    global tmpdir
144    global libdir
145    global gluefile wrap_flags
146    global objdir srcdir
147    global ALWAYS_GFORTRANFLAGS
148    global TOOL_EXECUTABLE TOOL_OPTIONS
149    global GFORTRAN_UNDER_TEST
150    global TESTING_IN_BUILD_TREE
151    global gcc_warning_prefix
152    global gcc_error_prefix
153    global TEST_ALWAYS_FLAGS
154
155    # We set LC_ALL and LANG to C so that we get the same error messages as expected.
156    setenv LC_ALL C
157    setenv LANG C
158
159    set gcc_warning_prefix "\[Ww\]arning:"
160    set gcc_error_prefix "(Fatal )?\[Ee\]rror:"
161
162    # Many hosts now default to a non-ASCII C locale, however, so
163    # they can set a charset encoding here if they need.
164    if { [ishost "*-*-cygwin*"] } {
165      setenv LC_ALL C.ASCII
166      setenv LANG C.ASCII
167    }
168
169    if ![info exists GFORTRAN_UNDER_TEST] then {
170	if [info exists TOOL_EXECUTABLE] {
171	    set GFORTRAN_UNDER_TEST $TOOL_EXECUTABLE
172	} else {
173	    if { [is_remote host] || ! [info exists TESTING_IN_BUILD_TREE] } {
174		set GFORTRAN_UNDER_TEST [transform gfortran]
175	    } else {
176		if [info exists TOOL_OPTIONS] {
177	            set specpath [get_multilibs ${TOOL_OPTIONS}]
178		} else {
179		    set specpath [get_multilibs]
180		}
181		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]]]
182	    }
183	}
184    }
185
186    if ![is_remote host] {
187	if { [which $GFORTRAN_UNDER_TEST] == 0 } then {
188	    perror "GFORTRAN_UNDER_TEST ($GFORTRAN_UNDER_TEST) does not exist"
189	    exit 1
190	}
191    }
192    if ![info exists tmpdir] {
193	set tmpdir "/tmp"
194    }
195
196    if [info exists gluefile] {
197	unset gluefile
198    }
199
200    gfortran_maybe_build_wrapper "${tmpdir}/gfortran-testglue.o"
201
202    set ALWAYS_GFORTRANFLAGS ""
203
204    # TEST_ALWAYS_FLAGS are flags that should be passed to every
205    # compilation.  They are passed first to allow individual
206    # tests to override them.
207    if [info exists TEST_ALWAYS_FLAGS] {
208	lappend ALWAYS_GFORTRANFLAGS "additional_flags=$TEST_ALWAYS_FLAGS"
209    }
210
211    if ![is_remote host] {
212	if [info exists TOOL_OPTIONS] {
213	    lappend ALWAYS_GFORTRANFLAGS "ldflags=[gfortran_link_flags [get_multilibs ${TOOL_OPTIONS}] ]"
214	} else {
215	    lappend ALWAYS_GFORTRANFLAGS "ldflags=[gfortran_link_flags [get_multilibs] ]"
216	}
217    }
218
219    if [info exists TOOL_OPTIONS] {
220	lappend ALWAYS_GFORTRANFLAGS "additional_flags=$TOOL_OPTIONS"
221    }
222
223    verbose -log "ALWAYS_GFORTRANFLAGS set to $ALWAYS_GFORTRANFLAGS"
224
225    verbose "gfortran is initialized" 3
226}
227
228#
229# gfortran_target_compile -- compile a source file
230#
231
232proc gfortran_target_compile { source dest type options } {
233    global tmpdir
234    global gluefile wrap_flags
235    global ALWAYS_GFORTRANFLAGS
236    global GFORTRAN_UNDER_TEST
237    global TEST_ALWAYS_FLAGS
238    global flags_to_postpone
239    global board_info
240
241    if { [target_info needs_status_wrapper] != "" && [info exists gluefile] } {
242	lappend options "libs=${gluefile}"
243	lappend options "ldflags=${wrap_flags}"
244    }
245
246    # TEST_ALWAYS_FLAGS are flags that should be passed to every
247    # compilation.  They are passed first to allow individual
248    # tests to override them.
249    if [info exists TEST_ALWAYS_FLAGS] {
250	set options [concat "{additional_flags=$TEST_ALWAYS_FLAGS}" $options]
251    }
252
253    # bind_pic_locally adds -fpie/-fPIE flags to flags_to_postpone and it is
254    # appended here to multilib_flags as it can be overridden by the latter
255    # if it was added earlier. After the target_compile, multilib_flags is
256    # restored to its orignal content.
257    set tboard [target_info name]
258    if {[board_info $tboard exists multilib_flags]} {
259        set orig_multilib_flags "[board_info [target_info name] multilib_flags]"
260        append board_info($tboard,multilib_flags) " $flags_to_postpone"
261    }
262
263    lappend options "compiler=$GFORTRAN_UNDER_TEST"
264    lappend options "timeout=[timeout_value]"
265
266    set options [concat "$ALWAYS_GFORTRANFLAGS" $options]
267    set options [dg-additional-files-options $options $source]
268    set return_val [target_compile $source $dest $type $options]
269
270    if {[board_info $tboard exists multilib_flags]} {
271        set board_info($tboard,multilib_flags) $orig_multilib_flags
272        set flags_to_postpone ""
273    }
274
275    return $return_val
276}
277