1# Copyright (C) 2003-2014 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}/libquadmath/.libs/libquadmath.a"] {
106          # Some targets use libquadmath.a%s in their specs, so they need a -B option
107          # for uninstalled testing.
108          append flags "-B${gccpath}/libquadmath/.libs "
109          append flags "-L${gccpath}/libquadmath/.libs "
110          append ld_library_path ":${gccpath}/libquadmath/.libs"
111      }
112      if [file exists "${gccpath}/libquadmath/.libs/libquadmath.${shlib_ext}"] {
113	  append flags "-L${gccpath}/libquadmath/.libs "
114	  append ld_library_path ":${gccpath}/libquadmath/.libs"
115      }
116      if [file exists "${gccpath}/libiberty/libiberty.a"] {
117          append flags "-L${gccpath}/libiberty "
118      }
119      append ld_library_path \
120	[gcc-set-multilib-library-path $GFORTRAN_UNDER_TEST ]
121    }
122
123    set_ld_library_path_env_vars
124
125    return "$flags"
126}
127
128#
129# gfortran_init -- called at the start of each subdir of tests
130#
131
132proc gfortran_init { args } {
133    global subdir
134    global gpp_initialized
135    global base_dir
136    global tmpdir
137    global libdir
138    global gluefile wrap_flags
139    global objdir srcdir
140    global ALWAYS_GFORTRANFLAGS
141    global TOOL_EXECUTABLE TOOL_OPTIONS
142    global GFORTRAN_UNDER_TEST
143    global TESTING_IN_BUILD_TREE
144    global gcc_warning_prefix
145    global gcc_error_prefix
146    global TEST_ALWAYS_FLAGS
147
148    # We set LC_ALL and LANG to C so that we get the same error messages as expected.
149    setenv LC_ALL C
150    setenv LANG C
151
152    set gcc_warning_prefix "\[Ww\]arning:"
153    set gcc_error_prefix "(Fatal )?\[Ee\]rror:"
154
155    # Many hosts now default to a non-ASCII C locale, however, so
156    # they can set a charset encoding here if they need.
157    if { [ishost "*-*-cygwin*"] } {
158      setenv LC_ALL C.ASCII
159      setenv LANG C.ASCII
160    }
161
162    if ![info exists GFORTRAN_UNDER_TEST] then {
163	if [info exists TOOL_EXECUTABLE] {
164	    set GFORTRAN_UNDER_TEST $TOOL_EXECUTABLE
165	} else {
166	    if { [is_remote host] || ! [info exists TESTING_IN_BUILD_TREE] } {
167		set GFORTRAN_UNDER_TEST [transform gfortran]
168	    } else {
169		if [info exists TOOL_OPTIONS] {
170	            set specpath [get_multilibs ${TOOL_OPTIONS}]
171		} else {
172		    set specpath [get_multilibs]
173		}
174		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]]]
175	    }
176	}
177    }
178
179    if ![is_remote host] {
180	if { [which $GFORTRAN_UNDER_TEST] == 0 } then {
181	    perror "GFORTRAN_UNDER_TEST ($GFORTRAN_UNDER_TEST) does not exist"
182	    exit 1
183	}
184    }
185    if ![info exists tmpdir] {
186	set tmpdir "/tmp"
187    }
188
189    if [info exists gluefile] {
190	unset gluefile
191    }
192
193    gfortran_maybe_build_wrapper "${tmpdir}/gfortran-testglue.o"
194
195    set ALWAYS_GFORTRANFLAGS ""
196
197    # TEST_ALWAYS_FLAGS are flags that should be passed to every
198    # compilation.  They are passed first to allow individual
199    # tests to override them.
200    if [info exists TEST_ALWAYS_FLAGS] {
201	lappend ALWAYS_GFORTRANFLAGS "additional_flags=$TEST_ALWAYS_FLAGS"
202    }
203
204    if ![is_remote host] {
205	if [info exists TOOL_OPTIONS] {
206	    lappend ALWAYS_GFORTRANFLAGS "ldflags=[gfortran_link_flags [get_multilibs ${TOOL_OPTIONS}] ]"
207	} else {
208	    lappend ALWAYS_GFORTRANFLAGS "ldflags=[gfortran_link_flags [get_multilibs] ]"
209	}
210    }
211
212    if [info exists TOOL_OPTIONS] {
213	lappend ALWAYS_GFORTRANFLAGS "additional_flags=$TOOL_OPTIONS"
214    }
215
216    # On the SPU, most of the fortran test cases exceed local store size.
217    # Use automatic overlay support to make them fit.
218    if { [check_effective_target_spu_auto_overlay] } {
219	lappend ALWAYS_GFORTRANFLAGS "ldflags=-Wl,--auto-overlay"
220	lappend ALWAYS_GFORTRANFLAGS "ldflags=-Wl,--reserved-space=131072"
221    }
222
223    verbose -log "ALWAYS_GFORTRANFLAGS set to $ALWAYS_GFORTRANFLAGS"
224
225    verbose "gfortran is initialized" 3
226}
227
228#
229# gfortran_target_compile -- compile a source file
230#
231
232proc gfortran_target_compile { source dest type options } {
233    global tmpdir
234    global gluefile wrap_flags
235    global ALWAYS_GFORTRANFLAGS
236    global GFORTRAN_UNDER_TEST
237
238    if { [target_info needs_status_wrapper] != "" && [info exists gluefile] } {
239	lappend options "libs=${gluefile}"
240	lappend options "ldflags=${wrap_flags}"
241    }
242
243    lappend options "compiler=$GFORTRAN_UNDER_TEST"
244    lappend options "timeout=[timeout_value]"
245
246    set options [concat "$ALWAYS_GFORTRANFLAGS" $options]
247    set options [dg-additional-files-options $options $source]
248    return [target_compile $source $dest $type $options]
249}
250