# Expect script for ld-plugin LTO tests
-# Copyright 2011
-# Free Software Foundation, Inc.
+# Copyright (C) 2011-2018 Free Software Foundation, Inc.
#
# This file is part of the GNU Binutils.
#
# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
# MA 02110-1301, USA.
+# Check to see if the C and C++ compilers work
+if { [which $CC] == 0 || [which $CXX] == 0 } {
+ return
+}
+
# These tests require plugin and LTO.
if { ![check_plugin_api_available]
|| ![check_lto_available] } {
return
}
+global INT128_CFLAGS
+
global CFLAGS
global CXXFLAGS
set saved_CFLAGS "$CFLAGS"
set saved_CXXFLAGS "$CXXFLAGS"
-regsub -all "\\-Wp,-D_FORTIFY_SOURCE=\[0-9\]+" $CFLAGS "" CFLAGS
-regsub -all "\\-Wp,-D_FORTIFY_SOURCE=\[0-9\]+" $CXXFLAGS "" CXXFLAGS
+regsub -all "(\\-Wp,)?-D_FORTIFY_SOURCE=\[0-9\]+" $CFLAGS "" CFLAGS
+regsub -all "(\\-Wp,)?-D_FORTIFY_SOURCE=\[0-9\]+" $CXXFLAGS "" CXXFLAGS
proc restore_notify { } {
global saved_CFLAGS
set CXXFLAGS "$saved_CXXFLAGS"
}
+set plugin_names {
+ liblto_plugin.so
+ liblto_plugin-0.dll
+ cyglto_plugin-0.dll
+}
+set plug_opt ""
+foreach plug $plugin_names {
+ set plug_so [run_host_cmd $CC "--print-prog-name $plug"]
+ if { $plug_so eq $plug } then {
+ set plug_so [run_host_cmd $CC "--print-file-name $plug"]
+ }
+ if { $plug_so ne $plug } then {
+ set plug_opt "--plugin $plug_so"
+ break
+ }
+}
+set lto_fat ""
+set lto_no_fat ""
+if { [check_lto_fat_available] } {
+ set lto_fat "-ffat-lto-objects"
+ set lto_no_fat "-fno-fat-lto-objects"
+}
+
# Simple LTO tests and generate input files for complex LTO tests.
-set lto_link_tests {
- {"LTO 1"
- "-O2 -flto -fuse-linker-plugin" "-flto -fuse-linker-plugin"
- {lto-1a.c lto-1b.c} {} "lto-1.exe"}
- {"Build libdummy.a 2"
- "" "-O2 -flto -fuse-linker-plugin"
- {lto-2.c} {} "libdummy.a"}
- {"LTO 2"
- "-static -O2 -flto -fuse-linker-plugin tmpdir/lto-2.o -lm" ""
- {dummy.c} {} "lto-2.exe"}
- {"Build libdummy.a 3a"
- "" "-flto"
- {lto-3a.c} {} "libdummy.a"}
- {"Build libdummy.a 3c"
- "" "-O2"
- {lto-3c.c} {} "libdummy.a"}
- {"Build liblto-3.a"
- "" "-flto"
- {lto-3b.c} {} "liblto-3.a"}
- {"Build libdummy.a 5a"
- "" "-flto"
- {lto-5a.c} {} "libdummy.a"}
- {"Build libdummy.a 5b"
- "" "-flto"
- {lto-5b.c} {} "libdummy.a"}
- {"LTO 6"
- "-O2 -flto -fuse-linker-plugin" ""
- {lto-6.c} {} "lto-6.exe" "c"}
- {"Build libdummy.a 9"
- "" "-O2 -finline -flto"
- {lto-9.cc} {} "libdummy.a"}
- {"Build libdummy.a 11a"
- "" "-O -flto"
- {lto-11a.c} {} "libdummy.a"}
- {"Build libdummy.a 11b"
- "" "-O -flto"
- {lto-11b.c} {} "libdummy.a"}
- {"Build libdummy.a 11c"
- "" "-O"
- {lto-11c.c} {} "libdummy.a"}
- {"Build liblto-12.a"
- "" "-O2 -flto"
- {lto-12c.c} {} "liblto-12.a"}
- {"Build libdummy.a 12"
- "" "-O2 -flto"
- {lto-12a.c lto-12b.c} {} "libdummy.a"}
- {"Build libdummy.a 13"
- "" "-O2 -flto"
- {lto-13a.c lto-13b.c} {} "libdummy.a"}
- {"Build liblto-13.a"
- "" "-O2"
- {lto-13c.c} {} "liblto-13.a"}
- {"Build libdummy.a 14a"
- "" "-flto"
- {lto-14a.c lto-14b.c} {} "libdummy.a"}
- {"Build liblto-14.a"
- "" "-flto"
- {lto-14c.c} {} "liblto-14.a"}
- {"Build libdummy.a 15a"
- "" "-flto"
- {lto-15a.c} {} "libdummy.a"}
- {"Build liblto-15.a"
- "" "-flto"
- {lto-15b.c} {} "liblto-15.a"}
- {"PR ld/12696"
- "-O2 -flto -fuse-linker-plugin -r -nostdlib" "-O2 -flto"
- {pr12696-1.cc} {} "pr12696-1r.o" "c"}
- {"Build libdummy.a PR ld/12758"
- "" ""
- {pr12758a.s} {} "libdummy.a"}
- {"Build libpr12758.a"
- "" "-flto -O2"
- {pr12758b.c} {} "libpr12758.a"}
- {"PR ld/12758"
- "-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin tmpdir/pr12758a.o -Wl,--start-group tmpdir/libpr12758.a -Wl,--end-group" ""
- {dummy.c} {} "pr12758.exe"}
- {"Build libdummy.a PR ld/12760"
- "" ""
- {pr12760a.c} {} "libdummy.a"}
- {"Build libpr12760.a"
- "" "-flto -O2"
- {pr12760b.c} {} "libpr12760.a"}
- {"PR ld/12760"
- "-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin tmpdir/pr12760a.o -Wl,--start-group tmpdir/libpr12760.a -Wl,--end-group" ""
- {dummy.c} {} "pr12760.exe" "c" "warning: Bad bar"}
- {"Build libdummy.a PR ld/12942 (1)"
- "" "-flto -O2"
- {pr12942a.cc pr12942c.cc} {} "libdummy.a" "c++"}
- {"Build libdummy.a PR ld/12942 (2)"
- "" "-O0"
- {pr12942b.cc} {} "libdummy.a" "c++"}
- {"Build libpr13183.a"
- "-T" "-flto -O2"
- {pr13183a.c} {} "libpr13183.a"}
- {"Build libdummy.a PR ld/13183"
- "" "-flto -O2"
- {pr13183b.c} {} "libdummy.a"}
- {"Build libdummy.a PR ld/13201"
- "" "-flto -O2"
- {pr13201.c} {} "libdummy.a"}
- {"PR ld/13287"
- "-flto -fuse-linker-plugin -Wl,--as-needed" "-flto"
- {pr13287.cc} {} "pr13287.exe" "c++"}
+set lto_link_tests [list \
+ [list "LTO 1" \
+ "-O2 -flto -fuse-linker-plugin" "-flto -fuse-linker-plugin" \
+ {lto-1a.c lto-1b.c} {} "lto-1.exe"] \
+ [list "Compile 2" \
+ "" "-O2 -flto -fuse-linker-plugin" \
+ {lto-2.c} {} ""] \
+ [list "LTO 2" \
+ "-static -O2 -flto -fuse-linker-plugin tmpdir/lto-2.o -lm" "" \
+ {dummy.c} {} "lto-2.exe"] \
+ [list "Compile 3a" \
+ "" "-flto" \
+ {lto-3a.c} {} ""] \
+ [list "Compile 3c" \
+ "" "-O2" \
+ {lto-3c.c} {} ""] \
+ [list "Build liblto-3.a" \
+ "" "-flto $lto_fat" \
+ {lto-3b.c} {} "liblto-3.a"] \
+ [list "Compile 5a" \
+ "" "-flto $lto_fat" \
+ {lto-5a.c} {} ""] \
+ [list "Compile 5b" \
+ "" "-flto $lto_fat" \
+ {lto-5b.c} {} ""] \
+ [list "LTO 6" \
+ "-O2 -flto -fuse-linker-plugin" "" \
+ {lto-6.c} {} "lto-6.exe" "c"] \
+ [list "Compile PR ld/12365" \
+ "" "-flto -O2 $lto_fat" \
+ {pr12365a.c pr12365b.c pr12365c.c} {} ""] \
+ [list "Compile 9" \
+ "" "-O2 -finline -flto" \
+ {lto-9.cc} {} "" "c++"] \
+ [list "Compile 11a" \
+ "" "-O -flto" \
+ {lto-11a.c} {} ""] \
+ [list "Compile 11b" \
+ "" "-O -flto" \
+ {lto-11b.c} {} ""] \
+ [list "Compile 11c" \
+ "" "-O" \
+ {lto-11c.c} {} ""] \
+ [list "Build liblto-12.a" \
+ "$plug_opt" "-O2 -flto" \
+ {lto-12c.c} {} "liblto-12.a"] \
+ [list "Compile 12" \
+ "" "-O2 -flto" \
+ {lto-12a.c lto-12b.c} {} ""] \
+ [list "Compile 13" \
+ "" "-O2 -flto" \
+ {lto-13a.c lto-13b.c} {} ""] \
+ [list "Build liblto-13.a" \
+ "" "-O2" \
+ {lto-13c.c} {} "liblto-13.a"] \
+ [list "Compile 14a" \
+ "" "-flto" \
+ {lto-14a.c lto-14b.c} {} ""] \
+ [list "Build liblto-14.a" \
+ "$plug_opt" "-flto" \
+ {lto-14c.c} {} "liblto-14.a"] \
+ [list "Compile 15a" \
+ "" "-flto" \
+ {lto-15a.c} {} ""] \
+ [list "Build liblto-15.a" \
+ "$plug_opt" "-flto" \
+ {lto-15b.c} {} "liblto-15.a"] \
+ [list "PR ld/12696" \
+ "-O2 -flto -fuse-linker-plugin -r -nostdlib" "-O2 -flto" \
+ {pr12696-1.cc} {} "pr12696-1r.o" "c++"] \
+ [list "Compile PR ld/12758" \
+ "" "" \
+ {pr12758a.s} {} ""] \
+ [list "Build libpr12758.a" \
+ "" "-flto -O2 $lto_fat" \
+ {pr12758b.c} {} "libpr12758.a"] \
+ [list "PR ld/12758" \
+ "-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin tmpdir/pr12758a.o -Wl,--start-group tmpdir/libpr12758.a -Wl,--end-group" "" \
+ {dummy.c} {} "pr12758.exe"] \
+ [list "Compile PR ld/12760" \
+ "" "-g -O0" \
+ {pr12760a.c} {} ""] \
+ [list "Build libpr12760.a" \
+ "" "-flto -O2 $lto_fat" \
+ {pr12760b.c} {} "libpr12760.a"] \
+ [list "PR ld/12760" \
+ "-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin tmpdir/pr12760a.o -Wl,--start-group tmpdir/libpr12760.a -Wl,--end-group" "" \
+ {dummy.c} {{warning "pr12760a.c:6: warning: Bad \\.?bar"}} \
+ "pr12760.exe" "c"] \
+ [list "Build libpr13183.a" \
+ "-T" "-flto -O2 $lto_fat" \
+ {pr13183a.c} {} "libpr13183.a"] \
+ [list "Compile PR ld/13183" \
+ "" "-flto -O2" \
+ {pr13183b.c} {} ""] \
+ [list "Compile PR ld/13201" \
+ "" "-flto -O2" \
+ {pr13201.c} {} ""] \
+ [list "PR ld/13287" \
+ "-flto -fuse-linker-plugin -Wl,--as-needed" "-flto" \
+ {pr13287.cc} {} "pr13287.exe" "c++"] \
+ [list "PR ld/15323 (1)" \
+ "" "-O2" \
+ {pr15323a.c} {} "" "c"] \
+ [list "PR ld/15323 (2)" \
+ "-O2 -flto -r -nostdlib" "-O2 -flto" \
+ {pr15323a.c} {} "pr15323a-r.o" "c"] \
+ [list "Compile(1) PR ld/pr16846" \
+ "" "-flto" \
+ {pr16846a.c pr16846b.c} {} ""] \
+ [list "Compile(2) PR ld/pr16846" \
+ "" "" \
+ {pr16846c.c} {} ""] \
+ [list "PR ld/pr16846(1)" \
+ "-flto -fuse-linker-plugin tmpdir/pr16846a.o tmpdir/pr16846b.o tmpdir/pr16846c.o" "" \
+ {dummy.c} {} "pr16846a.exe"] \
+ [list "PR ld/pr16846(2)" \
+ "-flto -fuse-linker-plugin tmpdir/pr16846a.o tmpdir/pr16846c.o tmpdir/pr16846b.o" "" \
+ {dummy.c} {} "pr16846b.exe"] \
+ [list "PR ld/19317 (1)" \
+ "$plug_opt" "-flto $lto_no_fat" \
+ {pr19317.c} {} "libpr19317.a"] \
+ [list "Build pr20276a.o" \
+ "" "-fno-lto" \
+ {pr20276a.c}] \
+ [list "Build pr20276b.o" \
+ "$plug_opt" "-flto $lto_no_fat" \
+ {pr20276b.c}] \
+ [list "Build pr20267a.o" \
+ "" "" \
+ {pr20267a.c}] \
+ [list "Build libpr20267a.a" \
+ "$plug_opt" "-flto $lto_fat" \
+ {pr20267b.c} {} "libpr20267a.a"] \
+ [list "Build libpr20267b.a" \
+ "$plug_opt" "-flto $lto_no_fat" \
+ {pr20267b.c} {} "libpr20267b.a"] \
+ [list "Build pr20321" \
+ "-flto -Wl,-plugin,$plug_so" "-flto" \
+ {pr20321.c} {{warning ".*: duplicated plugin"}} \
+ "pr20321" "c"] \
+ [list "Build pr22502a.o" \
+ "" "" \
+ {pr22502a.c}] \
+ [list "Build pr22502b.o" \
+ "$plug_opt" "-flto $lto_no_fat" \
+ {pr22502b.c}] \
+ [list "Build pr22751.a" \
+ "$plug_opt" "-flto $lto_no_fat $INT128_CFLAGS" \
+ {pr22751.c} {} "pr22751.a"] \
+ [list "Build libpr23818.so" \
+ "-shared -flto -g -Wl,-version-script,pr23818.t" \
+ "-g -flto $lto_fat" \
+ {pr23818a.c pr23818b.c} \
+ {{"readelf" {-s --wide} "pr23818.d"}} \
+ "libpr23818.so"] \
+ [list "Build libpr23958.so" \
+ "-shared -flto -Wl,-version-script,pr23958.t" \
+ "-g -flto $lto_fat" \
+ {pr23958.c} \
+ "" \
+ "libpr23958.so"] \
+]
+
+if { [at_least_gcc_version 4 7] } {
+ set lto_link_tests [concat $lto_link_tests [list \
+ [list "Compile PR ld/12942 (1)" \
+ "" "-flto -O2" \
+ {pr12942a.cc pr12942c.cc} {} "" "c++"] \
+ [list "Compile PR ld/12942 (2)" \
+ "" "-O0" \
+ {pr12942b.cc} {} "" "c++"] \
+ ]]
}
+set lto_compile_elf_tests [list \
+ [list "Compile 7" \
+ "" "-flto -O2" \
+ {lto-7a.c lto-7b.c lto-7c.c} {} ""] \
+ [list "Compile 8a" \
+ "" "-O2" \
+ {lto-8a.c} {} ""] \
+ [list "Compile 8b" \
+ "" "-flto -O2" \
+ {lto-8b.c} {} ""] \
+ [list "PR ld/23309" \
+ "-O2 -flto -fuse-linker-plugin -fvisibility=hidden -ffunction-sections -Wl,--gc-sections,-u,KeepMe" \
+ "-O2 -flto -fuse-linker-plugin -fvisibility=hidden -ffunction-sections" \
+ {pr23309.c} {{"nm" {} "pr23309.d"}} "pr23309.exe" "c"] \
+]
+
# Generate input files for complex LTO tests for ELF.
-set lto_link_elf_tests {
- {"Build libdummy.a 7"
- "" "-flto -O2"
- {lto-7a.c lto-7b.c lto-7c.c} {} "libdummy.a"}
- {"Build liblto-7.so"
- "-shared" "-O2 -fpic"
- {lto-7d.c} {} "liblto-7.so" "c"}
- {"Build libdummy.a 8a"
- "" "-O2"
- {lto-8a.c} {} "libdummy.a"}
- {"Build libdummy.a 8b"
- "" "-flto -O2"
- {lto-8b.c} {} "libdummy.a"}
- {"Build liblto-17a.so"
- "-shared -O2 -fpic -flto -fuse-linker-plugin" "-O2 -fpic -flto"
- {lto-17a.c} {{"nm" {} "lto-17a.d"}} "liblto-17a.so" "c"}
- {"Build liblto-17b.so 1"
- "-shared -O2 -fpic -flto -fuse-linker-plugin tmpdir/lto-17a.o" "-O2 -fpic -flto"
- {lto-17b.c} {{"nm" {} "lto-17b-1.d"}} "liblto-17b.so"}
- {"Build liblto-17b.so 2"
- "-shared -O2 -fpic -flto -fuse-linker-plugin tmpdir/lto-17a.o" "-O2 -fpic -flto"
- {lto-17b.c} {{"nm" {} "lto-17b-2.d"}} "liblto-17b.so"}
- {"PR ld/12982"
- "-O2 -flto -fuse-linker-plugin" "-O2 -flto"
- {pr12982.c} {{"readelf" {-l --wide} "pr12982.d"}} "pr12982.exe"}
- {"PR ld/12975"
- "-shared -O2 -fPIC -flto -fuse-linker-plugin -nostdlib -Wl,-version-script,pr12975.t" "-O2 -flto"
- {pr12975.c} {{"readelf" {-s --wide} "pr12975.d"}} "pr12975.so" "c"}
- {"PR ld/13229"
- "-shared -O2 -fPIC -flto -fuse-linker-plugin -nostdlib" "-O2 -finline -fno-early-inlining -flto"
- {pr13229.cc} {{"readelf" {-s --wide} "pr13229.d"}} "pr13229.so" "c++"}
- {"PR ld/13244"
- "-shared -O2 -fPIC -flto -fuse-linker-plugin -nostdlib" "-O2 -fno-early-inlining -flto"
- {pr13244.c} {{"readelf" {-s --wide} "pr13244.d"}} "pr13244.so" "c"}
+set lto_link_elf_tests [list \
+ [list "Build liblto-7.so" \
+ "-shared" "-O2 -fpic" \
+ {lto-7d.c} {} "liblto-7.so" "c"] \
+ [list "Build liblto-17a.so" \
+ "-shared -O2 -fpic -flto -fuse-linker-plugin" "-O2 -fpic -flto" \
+ {lto-17a.c} {{"nm" {} "lto-17a.d"}} "liblto-17a.so" "c"] \
+ [list "Build liblto-17b.so 1" \
+ "-shared -O2 -fpic -flto -fuse-linker-plugin tmpdir/lto-17a.o" "-O2 -fpic -flto" \
+ {lto-17b.c} {{"nm" {} "lto-17b-1.d"}} "liblto-17b.so"] \
+ [list "Build liblto-17b.so 2" \
+ "-shared -O2 -fpic -flto -fuse-linker-plugin tmpdir/lto-17a.o" "-O2 -fpic -flto" \
+ {lto-17b.c} {{"nm" {} "lto-17b-2.d"}} "liblto-17b.so"] \
+ [list "PR ld/12975" \
+ "-shared -O2 -fPIC -flto -fuse-linker-plugin -nostdlib -Wl,-version-script,pr12975.t" "-O2 -flto" \
+ {pr12975.c} {{"readelf" {-s --wide} "pr12975.d"}} "pr12975.so" "c"] \
+ [list "PR ld/13229" \
+ "-shared -O2 -fPIC -flto -fuse-linker-plugin -nostdlib" "-O2 -finline -fno-early-inlining -flto" \
+ {pr13229.cc} {{"readelf" {-s --wide} "pr13229.d"}} "pr13229.so" "c++"] \
+ [list "PR ld/13244" \
+ "-shared -O2 -fPIC -flto -fuse-linker-plugin -nostdlib" "-O2 -fno-early-inlining -flto" \
+ {pr13244.c} {{"readelf" {-s --wide} "pr13244.d"}} "pr13244.so" "c"] \
+ [list "Build libpr15146a.a" \
+ "$plug_opt" "-flto -O2" \
+ {pr15146a.c} {} "lib15146a.a"] \
+ [list "Build pr15146b.so" \
+ "-shared" "-O2 -fpic" \
+ {pr15146b.c} {} "pr15146b.so" "c"] \
+ [list "Build pr15146c.so" \
+ "-shared -Wl,--no-as-needed tmpdir/pr15146b.so" "-O2 -fpic" \
+ {pr15146c.c} {} "pr15146c.so" "c"] \
+ [list "PR ld/15146 (1)" \
+ "-O2 -flto -fuse-linker-plugin -Wl,-rpath-link,. -Wl,--no-copy-dt-needed-entries -Wl,--no-as-needed tmpdir/pr15146a.o tmpdir/pr15146c.so" "" \
+ {dummy.c} {{"readelf" {-d} "pr15146.d"}} "pr15146a.exe"] \
+ [list "Build libpr15146d.a" \
+ "$plug_opt" "-flto -O2" \
+ {pr15146d.c} {} "lib15146d.a"] \
+ [list "Build libpr16746a.a" \
+ "" "" \
+ {pr16746a.c pr16746b.c} {} "lib15146a.a"] \
+ [list "Build libpr16746b.a" \
+ "$plug_opt" "-O2 -flto" \
+ {pr16746c.c pr16746d.c} {} "lib15146b.a"] \
+ [list "PR ld/16746 (1)" \
+ "-O2 -flto -fuse-linker-plugin tmpdir/pr16746a.o tmpdir/pr16746c.o" "-O2 -flto" \
+ {dummy.c} {} "pr16746a.exe"] \
+ [list "PR ld/16746 (2)" \
+ "-O2 -flto -fuse-linker-plugin tmpdir/pr16746c.o tmpdir/pr16746a.o" "-O2 -flto" \
+ {dummy.c} {} "pr16746b.exe"] \
+ [list "Build pr21382a.o" \
+ "" "-O2 -flto" \
+ {pr21382a.c} {} "" "c"] \
+ [list "Build pr21382.so" \
+ "-shared" "-O2 -fpic" \
+ {pr21382b.c} {} "pr21382.so" "c"] \
+ [list {Build pr22220lib.so} \
+ {-shared -Wl,--version-script=pr22220lib.ver} {-fPIC} \
+ {pr22220lib.cc} {} {pr22220lib.so} {c++}] \
+ [list {Build pr22220main.o} \
+ {} {-flto} \
+ {pr22220main.cc} {} {} {c++}] \
+]
+
+# PR 14918 checks that libgcc is not spuriously included in a shared link of
+# an empty program. The ARM crt1.o startup code however calls __libc_csu_init
+# in /usr/lib/libc_nonshared.a(elf-init.oS). This in turn needs
+# __aeabi_unwind_cpp_pr0@@GCC_3.5 which is provided by libgcc_s.so.1, so the
+# test fails. Hence this code to skip the test.
+if { ! [istarget "arm*-*-*"] } {
+ set lto_link_elf_tests [concat $lto_link_elf_tests [list \
+ [list "PR ld/14918" \
+ "-flto" "-flto" \
+ {pr14918.c} {{"readelf" {-d --wide} "pr14918.d"}} "pr14918.exe" "c"] \
+ ]]
}
-# Check final symbols in executables.
-set lto_link_symbol_tests {
- {"LTO 3 symbol"
- "-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o tmpdir/liblto-3.a" ""
- {dummy.c} {{"nm" {} "lto-3.d"}} "lto-3.exe" "c"}
- {"LTO 5 symbol"
- "-O2 -flto -fuse-linker-plugin tmpdir/lto-5.o" ""
- {dummy.c} {{"nm" {} "lto-5.d"}} "lto-5.exe" "c"}
- {"LTO 9 symbol"
- "-O2 -flto -fuse-linker-plugin tmpdir/lto-9.o" ""
- {dummy.c} {{"nm" {-C} "lto-9.d"}} "lto-9.exe" "c++"}
- {"LTO 16a symbol"
- "-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin" "-flto"
- {lto-16a.c} {{"nm" {} "lto-16a.d"}} "lto-16.exe" "c"}
- {"LTO 16b symbol"
- "-O2 -Wl,-e,foo -u bar -nostdlib -flto -fuse-linker-plugin" "-flto"
- {lto-16a.c lto-16b.c} {{"nm" {} "lto-16b.d"}} "lto-16b.exe" "c"}
- {"PR ld/13183"
- "-O2 -flto -fuse-linker-plugin tmpdir/pr13183b.o tmpdir/libpr13183.a" ""
- {dummy.c} {{"nm" {} "pr13183.d"}} "pr13183.exe" "c"}
+# PR 12982 checks that an executable stack is not created by default
+# when using the LTO plugin. The HPPA target however requires an
+# executable stack for syscall restarts and signal returns, so we
+# skip this test for that target.
+if { ! [istarget "hppa*-*-*"] } {
+ set lto_link_elf_tests [concat $lto_link_elf_tests [list \
+ [list "PR ld/12982" \
+ "-O2 -flto -fuse-linker-plugin" "-O2 -flto" \
+ {pr12982.c} {{"readelf" {-l --wide} "pr12982.d"}} "pr12982.exe"] \
+ ]]
}
+# Check final symbols in executables.
+set lto_link_symbol_tests [list \
+ [list "LTO 3 symbol" \
+ "-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o tmpdir/liblto-3.a" "" \
+ {dummy.c} {{"nm" {} "lto-3.d"}} "lto-3.exe" "c"] \
+ [list "LTO 5 symbol" \
+ "-O2 -flto -fuse-linker-plugin tmpdir/lto-5.o" "" \
+ {dummy.c} {{"nm" {} "lto-5.d"}} "lto-5.exe" "c"] \
+ [list "LTO 9 symbol" \
+ "-O2 -flto -fuse-linker-plugin tmpdir/lto-9.o" "" \
+ {dummy.c} {{"nm" {-C} "lto-9.d"}} "lto-9.exe" "c++"] \
+ [list "LTO 16a symbol" \
+ "-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin" "-flto" \
+ {lto-16a.c} {{"nm" {} "lto-16a.d"}} "lto-16.exe" "c"] \
+ [list "LTO 16b symbol" \
+ "-O2 -Wl,-e,foo -u bar -nostdlib -flto -fuse-linker-plugin" "-flto" \
+ {lto-16a.c lto-16b.c} {{"nm" {} "lto-16b.d"}} "lto-16b.exe" "c"] \
+ [list "PR ld/13183" \
+ "-O2 -flto -fuse-linker-plugin tmpdir/pr13183b.o tmpdir/libpr13183.a" "" \
+ {dummy.c} {{"nm" {} "pr13183.d"}} "pr13183.exe" "c"] \
+]
+
# LTO run-time tests.
-set lto_run_tests {
- {"LTO 3a"
- "-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o tmpdir/liblto-3.a" ""
- {dummy.c} "lto-3b.exe" "lto-3.out" "" "c"}
- {"LTO 3b"
- "-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o tmpdir/lto-3.o" ""
- {dummy.c} "lto-3c.exe" "lto-3.out" "" "c"}
- {"LTO 3c"
- "-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o -Wl,--whole-archive tmpdir/liblto-3.a -Wl,--no-whole-archive tmpdir/liblto-3.a" ""
- {dummy.c} "lto-3d.exe" "lto-3.out" "" "c"}
- {"LTO 5"
- "-O2 -flto -fuse-linker-plugin tmpdir/lto-5.o" ""
- {dummy.c} "lto-5.exe" "lto-5.out" "" "c"}
- {"LTO 11"
- "-O -flto -fuse-linker-plugin tmpdir/liblto-11.a" ""
- {dummy.c} "lto-11.exe" "lto-11.out" "" "c"}
- {"LTO 12a"
- "-O -flto -fuse-linker-plugin tmpdir/lto-12a.o tmpdir/liblto-12.a tmpdir/lto-12b.o" ""
- {dummy.c} "lto-12a.exe" "lto-12.out" "" "c"}
- {"LTO 12b"
- "-O -flto -fuse-linker-plugin tmpdir/lto-12a.o tmpdir/lto-12b.o tmpdir/liblto-12.a" ""
- {dummy.c} "lto-12b.exe" "lto-12.out" "" "c"}
- {"LTO 13"
- "-O -flto -fuse-linker-plugin tmpdir/lto-13a.o tmpdir/liblto-13.a tmpdir/lto-13b.o" ""
- {dummy.c} "lto-13.exe" "lto-13.out" "" "c"}
- {"LTO 14"
- "-O2 -flto -fuse-linker-plugin tmpdir/lto-14a.o -Wl,--whole-archive tmpdir/liblto-14.a -Wl,--no-whole-archive tmpdir/lto-14b.o" ""
- {dummy.c} "lto-14.exe" "lto-14.out" "" "c"}
- {"LTO 15"
- "-O2 -flto -fuse-linker-plugin -Wl,--start-group tmpdir/liblto-15.a tmpdir/lto-15a.o -Wl,--end-group" ""
- {dummy.c} "lto-15.exe" "lto-15.out" "" "c"}
- {"PR ld/12942 (1)"
- "-O2 -flto -fuse-linker-plugin tmpdir/pr12942a.o tmpdir/pr12942b.o" ""
- {dummy.c} "pr12942a.exe" "pr12942.out" "" "c++"}
- {"PR ld/12942 (2)"
- "-O2 -flto -fuse-linker-plugin tmpdir/pr12942a.o tmpdir/pr12942c.o" ""
- {dummy.c} "pr12942c.exe" "pr12942.out" "" "c++"}
- {"PR ld/13066"
- "-O2 -flto -fuse-linker-plugin" ""
- {pr13066.cc} "pr13066.exe" "pr13066.out" "" "c++"}
- {"PR ld/13201"
- "-O2 -flto -fuse-linker-plugin -Wl,--as-needed tmpdir/pr13201.o -lm" ""
- {dummy.c} "pr13201.exe" "pr13201.out" "" "c"}
+set lto_run_tests [list \
+ [list "LTO 3a" \
+ "-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o tmpdir/liblto-3.a" "" \
+ {dummy.c} "lto-3b.exe" "lto-3.out" "" "c"] \
+ [list "LTO 3b" \
+ "-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o tmpdir/lto-3.o" "" \
+ {dummy.c} "lto-3c.exe" "lto-3.out" "" "c"] \
+ [list "LTO 3c" \
+ "-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o -Wl,--whole-archive tmpdir/liblto-3.a -Wl,--no-whole-archive tmpdir/liblto-3.a" "" \
+ {dummy.c} "lto-3d.exe" "lto-3.out" "" "c"] \
+ [list "LTO 5" \
+ "-O2 -flto -fuse-linker-plugin tmpdir/lto-5.o" "" \
+ {dummy.c} "lto-5.exe" "lto-5.out" "" "c"] \
+ [list "LTO 11" \
+ "-O -flto -fuse-linker-plugin tmpdir/liblto-11.a" "" \
+ {dummy.c} "lto-11.exe" "lto-11.out" "" "c"] \
+ [list "LTO 12a" \
+ "-O -flto -fuse-linker-plugin tmpdir/lto-12a.o tmpdir/liblto-12.a tmpdir/lto-12b.o" "" \
+ {dummy.c} "lto-12a.exe" "lto-12.out" "" "c"] \
+ [list "LTO 12b" \
+ "-O -flto -fuse-linker-plugin tmpdir/lto-12a.o tmpdir/lto-12b.o tmpdir/liblto-12.a" "" \
+ {dummy.c} "lto-12b.exe" "lto-12.out" "" "c"] \
+ [list "LTO 13" \
+ "-O -flto -fuse-linker-plugin tmpdir/lto-13a.o tmpdir/liblto-13.a tmpdir/lto-13b.o" "" \
+ {dummy.c} "lto-13.exe" "lto-13.out" "" "c"] \
+ [list "LTO 14" \
+ "-O2 -flto -fuse-linker-plugin tmpdir/lto-14a.o -Wl,--whole-archive tmpdir/liblto-14.a -Wl,--no-whole-archive tmpdir/lto-14b.o" "" \
+ {dummy.c} "lto-14.exe" "lto-14.out" "" "c"] \
+ [list "LTO 15" \
+ "-O2 -flto -fuse-linker-plugin -Wl,--start-group tmpdir/liblto-15.a tmpdir/lto-15a.o -Wl,--end-group" "" \
+ {dummy.c} "lto-15.exe" "lto-15.out" "" "c"] \
+ [list "PR ld/13066" \
+ "-O2 -flto -fuse-linker-plugin" "" \
+ {pr13066.cc} "pr13066.exe" "pr13066.out" "" "c++"] \
+ [list "PR ld/13201" \
+ "-O2 -flto -fuse-linker-plugin -Wl,--as-needed tmpdir/pr13201.o -lm" "" \
+ {dummy.c} "pr13201.exe" "pr13201.out" "" "c"] \
+ [list "PR ld/15323 (3)" \
+ "-O2 -flto -fuse-linker-plugin tmpdir/pr15323a.o" "" \
+ {pr15323b.c} "pr15323.exe" "pr15323.out" "-flto -O2" "c"] \
+ [list "PR ld/15323 (4)" \
+ "-O2 -flto tmpdir/pr15323a-r.o" "" \
+ {dummy.c} "pr15323a.exe" "pr15323.out" "-flto -O2" "c"] \
+ [list "PR ld/19317 (3)" \
+ "-O2 -flto tmpdir/pr19317-r.o" "" \
+ {dummy.c} "pr19317.exe" "pr19317.out" "-flto -O2" "c"] \
+ [list "Run pr20276" \
+ "-O2 -flto tmpdir/pr20276a.o tmpdir/pr20276b.o" "" \
+ {dummy.c} "pr20276" "pass.out" "-flto -O2" "c"] \
+ [list "Run pr20267a" \
+ "-O2 -flto tmpdir/pr20267a.o tmpdir/libpr20267a.a" "" \
+ {dummy.c} "pr20267a" "pass.out" "-flto -O2" "c"] \
+ [list "Run pr20267b" \
+ "-O2 -flto tmpdir/pr20267a.o tmpdir/libpr20267b.a" "" \
+ {dummy.c} "pr20267b" "pass.out" "-flto -O2" "c"] \
+ [list "Run pr22502" \
+ "-O2 -flto tmpdir/pr22502a.o tmpdir/pr22502b.o" "" \
+ {dummy.c} "pr20267" "pass.out" "-flto -O2" "c"] \
+ [list "Run pr22751" \
+ "-O2 -flto" "" \
+ {dummy.c} "pr22751" "pass.out" "-flto -O2" "c" "" \
+ "-Wl,--whole-archive tmpdir/pr22751.a -Wl,--no-whole-archive"] \
+]
+
+if { [at_least_gcc_version 4 7] } {
+ set lto_run_tests [concat $lto_run_tests [list \
+ [list "PR ld/12942 (1)" \
+ "-O2 -flto -fuse-linker-plugin tmpdir/pr12942a.o tmpdir/pr12942b.o" "" \
+ {dummy.c} "pr12942a.exe" "pr12942.out" "" "c++"] \
+ [list "PR ld/12942 (2)" \
+ "-O2 -flto -fuse-linker-plugin tmpdir/pr12942a.o tmpdir/pr12942c.o" "" \
+ {dummy.c} "pr12942c.exe" "pr12942.out" "" "c++"] \
+ ]]
}
+# LTO run-time tests for ELF which require shared library support.
+set lto_run_elf_shared_tests [list \
+ [list "LTO 7" \
+ "-O2 -flto -fuse-linker-plugin tmpdir/lto-7b.o tmpdir/lto-7c.o tmpdir/lto-7a.o -Wl,--no-as-needed tmpdir/liblto-7.so" "" \
+ {dummy.c} "lto-7.exe" "lto-7.out" "" "c"] \
+ [list "Run pr21382" \
+ "-O2 -flto -fuse-linker-plugin -Wl,--as-needed tmpdir/pr21382a.o tmpdir/pr21382.so" "" \
+ {dummy.c} "pr21382.exe" "pass.out" "" "c"] \
+ [list {pr22220a} \
+ {-flto -fuse-linker-plugin tmpdir/pr22220main.o tmpdir/pr22220lib.so} {} \
+ {dummy.c} {pr22220a.exe} {pass.out} {} {c++}] \
+ [list {pr22220b} \
+ {-flto -fuse-linker-plugin -Wl,--no-as-needed tmpdir/pr22220lib.so tmpdir/pr22220main.o} {} \
+ {dummy.c} {pr22220b.exe} {pass.out} {} {c++}] \
+]
+
# LTO run-time tests for ELF
-set lto_run_elf_tests {
- {"LTO 7"
- "-O2 -flto -fuse-linker-plugin tmpdir/lto-7b.o tmpdir/lto-7c.o tmpdir/lto-7a.o tmpdir/liblto-7.so" ""
- {dummy.c} "lto-7.exe" "lto-7.out" "" "c"}
- {"LTO 8"
- "-O2 -flto -fuse-linker-plugin tmpdir/lto-8b.o tmpdir/lto-8a.o" ""
- {dummy.c} "lto-8.exe" "lto-8.out" "" "c"}
- {"LTO TLS IE"
- "-O2 -flto -fuse-linker-plugin" ""
- {run-ie.c} "run-ie.exe" "run-ie.out" "" "c"}
-}
+set lto_run_elf_tests [list \
+ [list "LTO 8" \
+ "-O2 -flto -fuse-linker-plugin tmpdir/lto-8b.o tmpdir/lto-8a.o" "" \
+ {dummy.c} "lto-8.exe" "lto-8.out" "" "c"] \
+ [list "LTO TLS IE" \
+ "-O2 -flto -fuse-linker-plugin" "" \
+ {run-ie.c} "run-ie.exe" "run-ie.out" "" "c"] \
+]
run_cc_link_tests $lto_link_tests
-if { [is_elf_format] } {
+# These compilation tests generate intermediate object files which will be used
+# by some elf tests besides shared libs tests. So, always compile them.
+run_cc_link_tests $lto_compile_elf_tests
+
+# Restrict these to ELF targets that support shared libs and PIC.
+if { [is_elf_format] && [check_lto_shared_available] } {
run_cc_link_tests $lto_link_elf_tests
+ set testname "PR ld/15146 (2)"
+ set exec_output [run_host_cmd "$CC" "-O2 -flto -fuse-linker-plugin -Wl,-rpath-link,. -Wl,--no-copy-dt-needed-entries -Wl,--no-as-needed tmpdir/pr15146d.o tmpdir/pr15146c.so"]
+ if { [ regexp "undefined reference to symbol '\\.?xxx'" $exec_output ] } {
+ pass $testname
+ } {
+ fail $testname
+ }
+ set testname "PR ld/16746 (3)"
+ set exec_output [run_host_cmd "$CC" "-O2 -flto -fuse-linker-plugin tmpdir/pr16746b.o tmpdir/pr16746d.o"]
+ if { [ regexp "warning: \\.?foobar" $exec_output ] && ![ regexp "symbol from plugin" $exec_output ] } {
+ pass $testname
+ } {
+ fail $testname
+ }
+ set testname "PR ld/16746 (4)"
+ set exec_output [run_host_cmd "$CC" "-O2 -flto -fuse-linker-plugin tmpdir/pr16746d.o tmpdir/pr16746b.o"]
+ if { [ regexp "warning: \\.?foobar" $exec_output ] && ![ regexp "symbol from plugin" $exec_output ] } {
+ pass $testname
+ } {
+ fail $testname
+ }
}
set testname "Build liblto-11.a"
remote_file host delete "tmpdir/liblto-11.a"
-set catch_output [run_host_cmd "$ar" "rc tmpdir/liblto-11.a tmpdir/lto-11a.o tmpdir/lto-11b.o tmpdir/lto-11c.o"]
+set catch_output [run_host_cmd "$ar" "rc $plug_opt tmpdir/liblto-11.a tmpdir/lto-11a.o tmpdir/lto-11b.o tmpdir/lto-11c.o"]
if {![string match "" $catch_output]} {
unresolved $testname
restore_notify
return
}
-# Check expected LTO linker errors.
-set testname "PR ld/12942 (3)"
-set exec_output [run_host_cmd "$CXX" "$gcc_gas_flag $gcc_ld_flag -O2 -flto -fuse-linker-plugin tmpdir/pr12942b.o tmpdir/pr12942a.o"]
-if { [ regexp "pr12942a.h:7: undefined reference to `link_error\\(\\)'" $exec_output ] } {
- pass $testname
-} {
- fail $testname
+if { [at_least_gcc_version 4 7] } {
+ # Check expected LTO linker errors.
+ # Since the asm symbol name hack in pr12365b.c doesn't work on all
+ # targets, run PR ld/12365 tests only for known targets.
+ if { ([istarget "i?86-*-elf*"]
+ || [istarget "i?86-*-linux*"]
+ || [istarget "i?86-*-gnu*"]
+ || [istarget "i?86-*-nacl*"]
+ || [istarget "x86_64-*-nacl*"]
+ || [istarget "x86_64-*-linux*"]
+ || [istarget "amd64-*-linux*"]) } {
+ set testname "PR ld/12365"
+ set exec_output [run_host_cmd "$CC" "-O2 -flto -flto-partition=none -fuse-linker-plugin -o tmpdir/pr12365 tmpdir/pr12365a.o tmpdir/pr12365b.o tmpdir/pr12365c.o"]
+ set exec_output [prune_warnings $exec_output]
+ if { [ regexp "undefined reference to `my_bcopy'" $exec_output ] } {
+ # Linker should catch the reference to undefined `my_bcopy'
+ # error caused by a GCC bug.
+ pass $testname
+ } elseif { [ string match "" $exec_output ] } {
+ global READELF
+ set exec_output [run_host_cmd "$READELF" "-s -W tmpdir/pr12365"]
+ if { [ regexp "my_bcopy" $exec_output ] } {
+ # Verify that there is no `my_bcopy' symbol in executable.
+ fail $testname
+ } {
+ pass $testname
+ }
+ } {
+ fail $testname
+ }
+
+ run_cc_link_tests [list \
+ [list \
+ "Build pr22721a.so" \
+ "-shared -nostdlib -nostartfiles -Wl,-version-script,pr22721.t" \
+ "" \
+ {pr22721a.s} \
+ {} \
+ "pr22721a.so" \
+ ] \
+ [list \
+ "Build pr22721b.o" \
+ "$plug_opt" \
+ "-O2 -fPIC -flto $lto_no_fat" \
+ {pr22721b.c} \
+ ] \
+ [list \
+ "Build PR ld/pr22721" \
+ "-O2 -flto -fuse-linker-plugin -nostdlib -nostartfiles \
+ -Wl,-e,_start tmpdir/pr22721b.o tmpdir/pr22721a.so" \
+ "" \
+ {dummy.c} \
+ {} \
+ "pr22721.exe"
+ ] \
+ ]
+ }
+ set testname "PR ld/12942 (3)"
+ set exec_output [run_host_cmd "$CXX" "-O2 -flto -fuse-linker-plugin tmpdir/pr12942b.o tmpdir/pr12942a.o"]
+ if { [ regexp "undefined reference to `\\.?link_error\\(\\)'" $exec_output ] } {
+ pass $testname
+ } {
+ fail $testname
+ }
+
+ run_cc_link_tests [list \
+ [list \
+ "Build pr23460*.o" \
+ "$plug_opt" \
+ "-O2 -fPIC -flto $lto_no_fat" \
+ {pr23460a.c pr23460b.c pr23460c.c \
+ pr23460d.c pr23460e.c pr23460f.c} \
+ ] \
+ ]
+ set exec_output [run_host_cmd "sh" \
+ "-c \"ulimit -n 16; \
+ $ar -rc $plug_opt \
+ tmpdir/libpr23460.a \
+ tmpdir/pr23460a.o \
+ tmpdir/pr23460b.o \
+ tmpdir/pr23460c.o \
+ tmpdir/pr23460d.o \
+ tmpdir/pr23460e.o \
+ tmpdir/pr23460f.o\""]
+ set exec_output [prune_warnings $exec_output]
+ if [string match "" $exec_output] then {
+ pass "PR binutils/23460"
+ } else {
+ fail "PR binutils/23460"
+ }
}
# Run "ld -r" to generate inputs for complex LTO tests.
run_cc_link_tests $lto_link_symbol_tests
-run_ld_link_exec_tests [] $lto_run_tests
+run_ld_link_tests [list \
+ [list "PR ld/19317 (2)" \
+ "-r tmpdir/pr19317.o" "" "" \
+ {dummy.s} {} "pr19317-r.o"] \
+]
+
+run_ld_link_exec_tests $lto_run_tests
if { [is_elf_format] } {
- run_ld_link_exec_tests [] $lto_run_elf_tests
+ run_ld_link_exec_tests $lto_run_elf_tests
+
+ # Note - it is not guaranteed that the ordering of symbols in the dynamic
+ # symbol table will match the ordering of the symbols specified by the
+ # --dynamic-list command line option.
+ #
+ # For PR22983 we want to make sure that all four symbols specified in
+ # pr222983.t are present in the output, but a simple sequences of regexps
+ # will not work as we do not know the order of the symbols. (Readelf
+ # does not have a symbol sorting option and the run_cc_list_tests proc
+ # does not allow for the output of the dump program to piped into `sort`).
+ #
+ # So instead we run readelf four times, each time checking for the
+ # presence of a specific symbol from the pr22983.t file.
+ run_cc_link_tests [list \
+ [list \
+ "Build pr22983" \
+ "-Wl,--dynamic-list,pr22983.t" \
+ "-flto" \
+ {pr22983a.c pr22983b.c} \
+ {{readelf {--dyn-syms --wide} pr22983.1.d} \
+ {readelf {--dyn-syms --wide} pr22983.2.d} \
+ {readelf {--dyn-syms --wide} pr22983.3.d} \
+ {readelf {--dyn-syms --wide} pr22983.4.d}} \
+ "pr22983" \
+ ] \
+ ]
+}
+
+if { [is_elf_format] && [check_lto_shared_available] } {
+ run_ld_link_exec_tests $lto_run_elf_shared_tests
+}
+
+proc pr20103 {cflags libs} {
+ global CC
+
+ set testname "PR ld/20103 ($cflags $libs)"
+ set exec_output [run_host_cmd "$CC" "$cflags $libs"]
+ if { [ regexp "undefined reference to `\\.?dead'" $exec_output ] } {
+ pass "$testname (1)"
+ } {
+ fail "$testname (1)"
+ }
+ if { [ regexp "plugin needed to handle lto object" $exec_output ] } {
+ fail "$testname (2)"
+ } {
+ pass "$testname (2)"
+ }
+}
+
+if { [check_lto_fat_available] } {
+ run_cc_link_tests [list \
+ [list \
+ "Build fatpr20103a.a" \
+ "$plug_opt" "-flto -ffat-lto-objects" \
+ {pr20103a.c} {} "fatpr20103a.a"
+ ] \
+ [list \
+ "Build fatpr20103b.a" \
+ "$plug_opt" "-flto -ffat-lto-objects" \
+ {pr20103b.c} {} "fatpr20103b.a"
+ ] \
+ [list \
+ "Build fatpr20103c.a" \
+ "$plug_opt" "-flto -ffat-lto-objects" \
+ {pr20103c.c} {} "fatpr20103c.a" \
+ ] \
+ [list \
+ "Build thinpr20103a.a" \
+ "$plug_opt" "-flto -fno-fat-lto-objects" \
+ {pr20103a.c} {} "thinpr20103a.a"
+ ] \
+ [list \
+ "Build thinpr20103b.a" \
+ "$plug_opt" "-flto -fno-fat-lto-objects" \
+ {pr20103b.c} {} "thinpr20103b.a"
+ ] \
+ [list \
+ "Build thinpr20103c.a" \
+ "$plug_opt" "-flto -fno-fat-lto-objects" \
+ {pr20103c.c} {} "thinpr20103c.a" \
+ ] \
+ [list \
+ "Build pr20103a" \
+ "-O2 -flto -Wl,--start-group tmpdir/thinpr20103a.a tmpdir/thinpr20103b.a tmpdir/thinpr20103c.a -Wl,--end-group" \
+ "-O2 -flto" \
+ {dummy.c} {} "pr20103a" \
+ ] \
+ [list \
+ "Build pr20103b" \
+ "-O2 -flto -Wl,--start-group tmpdir/fatpr20103a.a tmpdir/fatpr20103b.a tmpdir/fatpr20103c.a -Wl,--end-group" \
+ "-O2 -flto" \
+ {dummy.c} {} "pr20103b" \
+ ] \
+ [list \
+ "Build pr20103c" \
+ "-O2 -Wl,--start-group tmpdir/fatpr20103a.a tmpdir/fatpr20103b.a tmpdir/fatpr20103c.a -Wl,--end-group" \
+ "-O2" \
+ {dummy.c} {} "pr20103c" \
+ ] \
+ ]
+ pr20103 "-O2 -flto" "tmpdir/thinpr20103a.a tmpdir/thinpr20103b.a tmpdir/thinpr20103c.a"
+ pr20103 "-O2 -flto" "tmpdir/fatpr20103a.a tmpdir/fatpr20103b.a tmpdir/fatpr20103c.a"
+ pr20103 "-O2" "tmpdir/fatpr20103a.a tmpdir/fatpr20103b.a tmpdir/fatpr20103c.a"
+
+ if { [at_least_gcc_version 4 9] } {
+ run_cc_link_tests [list \
+ [list \
+ "Build pr20103d" \
+ "-O2 -Wl,--start-group tmpdir/thinpr20103a.a tmpdir/thinpr20103b.a tmpdir/thinpr20103c.a -Wl,--end-group" \
+ "-O2" \
+ {dummy.c} {} "pr20103d" \
+ ] \
+ ]
+ pr20103 "-O2" "tmpdir/thinpr20103a.a tmpdir/thinpr20103b.a tmpdir/thinpr20103c.a"
+ }
}
restore_notify