Provide __start_minfo/__stop_minfo for linkers that don't (PR d/87864)

	libphobos:
	PR d/87864
	* configure.ac (DRTSTUFF_SPEC): New variable.
	Substitute it.
	* libdruntime/m4/druntime/os.m4 (DRUNTIME_OS_MINFO_BRACKETING):
	New automake conditional.
	* configure: Regenerate.
	* libdruntime/gcc/drtstuff.c: New file.
	* libdruntime/Makefile.am [!DRUNTIME_OS_MINFO_BRACKETING]
	(DRTSTUFF, toolexeclib_DATA): New variables.
	(gcc/drtbegin.lo, gcc/drtend.lo): New rules.
	(libgdruntime_la_LDFLAGS): Use -Wc instead of -Xcompiler.
	Add -dstartfiles -B../src -Bgcc.
	(libgdruntime_la_DEPENDENCIES): New variable.
	(unittest_static_LDFLAGS): Use -Wc instead of -Xcompiler.
	(libgdruntime_t_la_LDFLAGS): Likewise.
	(unittest_LDFLAGS): Likewise.
	* src/Makefile.am (libgphobos_la_LDFLAGS): Use -Wc instead of
	-Xcompiler.
	Add -dstartfiles -B../libdruntime/gcc.
	(unittest_static_LDFLAGS): Use -Wc instead of -Xcompiler.
	(libgphobos_t_la_LDFLAGS): Likewise.
	(unittest_LDFLAGS): Likewise.
	* libdruntime/Makefile.in, src/Makefile.in: Regenerate.
	* Makefile.in, testsuite/Makefile.in: Regenerate.
	* libdruntime/rt/sections_elf_shared.d (Minfo_Bracketing): Don't
	assert.
	* libdruntime/gcc/config.d.in (Minfo_Bracketing): Remove.
	* src/drtstuff.spec: New file.
	* src/libgphobos.spec.in (DRTSTUFF_SPEC): Substitute.
	(*lib): Only pass SPEC_PHOBOS_DEPS without -debuglib, -defaultlib,
	-nophoboslib.
	* testsuite/testsuite_flags.in <--gdcldflags> (GDCLDFLAGS): Add
	-B${BUILD_DIR}/libdruntime/gcc.

	gcc/d:
	PR d/87864
	* lang.opt (dstartfiles): New option.
	* d-spec.cc (need_spec): New variable.
	(lang_specific_driver) <OPT_dstartfiles>: Enable need_spec.
	(lang_specific_pre_link): Also load libgphobos.spec if need_spec.

	gcc/testsuite:
	PR d/87864
	* lib/gdc.exp (gdc_link_flags): Add path to drtbegin.o/drtend.o if
	present.

From-SVN: r268886

4 files changed, 19 insertions, 9 deletions

diff --git a/libphobos/src/Makefile.am b/libphobos/src/Makefile.am
index 30896df1d94..51fd11e5c6c 100644
--- a/libphobos/src/Makefile.am
+++ b/libphobos/src/Makefile.am
@@ -57,14 +57,15 @@ toolexeclib_DATA = libgphobos.spec
 toolexeclib_LTLIBRARIES = libgphobos.la
 libgphobos_la_SOURCES = $(ALL_PHOBOS_SOURCES) $(ZLIB_SRC)
 libgphobos_la_LIBTOOLFLAGS =
-libgphobos_la_LDFLAGS = -Xcompiler -nophoboslib -version-info $(libtool_VERSION)
+libgphobos_la_LDFLAGS = -Wc,-nophoboslib,-dstartfiles,-B../libdruntime/gcc \
+    -version-info $(libtool_VERSION)
 libgphobos_la_LIBADD = ../libdruntime/libgdruntime.la
 libgphobos_la_DEPENDENCIES = libgphobos.spec
 
 # For static unittest, link objects directly
 unittest_static_SOURCES = ../testsuite/test_runner.d $(ZLIB_SRC)
 unittest_static_LIBTOOLFLAGS =
-unittest_static_LDFLAGS = -Xcompiler -nophoboslib -static-libtool-libs
+unittest_static_LDFLAGS = -Wc,-nophoboslib -static-libtool-libs
 unittest_static_LDADD = $(PHOBOS_TEST_OBJECTS) \
     ../libdruntime/libgdruntime.la
 EXTRA_unittest_static_DEPENDENCIES = $(PHOBOS_TEST_OBJECTS)
@@ -72,7 +73,7 @@ EXTRA_unittest_static_DEPENDENCIES = $(PHOBOS_TEST_OBJECTS)
 # For unittest with dynamic library
 libgphobos_t_la_SOURCES = $(ZLIB_SRC)
 libgphobos_t_la_LIBTOOLFLAGS =
-libgphobos_t_la_LDFLAGS = -Xcompiler -nophoboslib -rpath /foo -shared
+libgphobos_t_la_LDFLAGS = -Wc,-nophoboslib -rpath /foo -shared
 libgphobos_t_la_LIBADD = $(PHOBOS_TEST_LOBJECTS) \
     ../libdruntime/libgdruntime.la
 EXTRA_libgphobos_t_la_DEPENDENCIES = $(PHOBOS_TEST_LOBJECTS)
@@ -80,7 +81,7 @@ EXTRA_libgphobos_t_la_DEPENDENCIES = $(PHOBOS_TEST_LOBJECTS)
 # For unittest
 unittest_SOURCES = ../testsuite/test_runner.d
 unittest_LIBTOOLFLAGS =
-unittest_LDFLAGS = -Xcompiler -nophoboslib -shared
+unittest_LDFLAGS = -Wc,-nophoboslib -shared
 unittest_LDADD = libgphobos_t.la ../libdruntime/libgdruntime.la
 
 # Extra install and clean rules.
diff --git a/libphobos/src/Makefile.in b/libphobos/src/Makefile.in
index a349fa7e897..3dffa6f6093 100644
--- a/libphobos/src/Makefile.in
+++ b/libphobos/src/Makefile.in
@@ -696,14 +696,16 @@ toolexeclib_DATA = libgphobos.spec
 toolexeclib_LTLIBRARIES = libgphobos.la
 libgphobos_la_SOURCES = $(ALL_PHOBOS_SOURCES) $(ZLIB_SRC)
 libgphobos_la_LIBTOOLFLAGS = 
-libgphobos_la_LDFLAGS = -Xcompiler -nophoboslib -version-info $(libtool_VERSION)
+libgphobos_la_LDFLAGS = -Wc,-nophoboslib,-dstartfiles,-B../libdruntime/gcc \
+    -version-info $(libtool_VERSION)
+
 libgphobos_la_LIBADD = ../libdruntime/libgdruntime.la
 libgphobos_la_DEPENDENCIES = libgphobos.spec
 
 # For static unittest, link objects directly
 unittest_static_SOURCES = ../testsuite/test_runner.d $(ZLIB_SRC)
 unittest_static_LIBTOOLFLAGS = 
-unittest_static_LDFLAGS = -Xcompiler -nophoboslib -static-libtool-libs
+unittest_static_LDFLAGS = -Wc,-nophoboslib -static-libtool-libs
 unittest_static_LDADD = $(PHOBOS_TEST_OBJECTS) \
     ../libdruntime/libgdruntime.la
 
@@ -712,7 +714,7 @@ EXTRA_unittest_static_DEPENDENCIES = $(PHOBOS_TEST_OBJECTS)
 # For unittest with dynamic library
 libgphobos_t_la_SOURCES = $(ZLIB_SRC)
 libgphobos_t_la_LIBTOOLFLAGS = 
-libgphobos_t_la_LDFLAGS = -Xcompiler -nophoboslib -rpath /foo -shared
+libgphobos_t_la_LDFLAGS = -Wc,-nophoboslib -rpath /foo -shared
 libgphobos_t_la_LIBADD = $(PHOBOS_TEST_LOBJECTS) \
     ../libdruntime/libgdruntime.la
 
@@ -721,7 +723,7 @@ EXTRA_libgphobos_t_la_DEPENDENCIES = $(PHOBOS_TEST_LOBJECTS)
 # For unittest
 unittest_SOURCES = ../testsuite/test_runner.d
 unittest_LIBTOOLFLAGS = 
-unittest_LDFLAGS = -Xcompiler -nophoboslib -shared
+unittest_LDFLAGS = -Wc,-nophoboslib -shared
 unittest_LDADD = libgphobos_t.la ../libdruntime/libgdruntime.la
 
 # Zlib sources when not using system libz
diff --git a/libphobos/src/drtstuff.spec b/libphobos/src/drtstuff.spec
new file mode 100644
index 00000000000..951a91b0e9c
--- /dev/null
+++ b/libphobos/src/drtstuff.spec
@@ -0,0 +1,5 @@
+%rename startfile startfile_orig
+*startfile: %(startfile_orig) drtbegin.o%s
+
+%rename endfile endfile_orig
+*endfile: %(endfile_orig) drtend.o%s
diff --git a/libphobos/src/libgphobos.spec.in b/libphobos/src/libgphobos.spec.in
index 0a33e834b1a..ff9389696f3 100644
--- a/libphobos/src/libgphobos.spec.in
+++ b/libphobos/src/libgphobos.spec.in
@@ -4,5 +4,7 @@
 # order.
 #
 
+@DRTSTUFF_SPEC@
+
 %rename lib liborig_gdc_renamed
-*lib: @SPEC_PHOBOS_DEPS@ %(liborig_gdc_renamed)
+*lib: %{debuglib|defaultlib|nophoboslib: ; :@SPEC_PHOBOS_DEPS@} %(liborig_gdc_renamed)