2022-08-17 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
Jakub Jelinek <jakub@redhat.com>
PR fortran/46539
gcc/
* common.opt (static-libquadmath): New option.
* gcc.cc (driver_handle_option): Always accept -static-libquadmath.
* config/darwin.h (LINK_SPEC): Handle -static-libquadmath.
gcc/fortran/
* lang.opt (static-libquadmath): New option.
* invoke.texi (-static-libquadmath): Document it.
libgfortran/
* acinclude.m4 (LIBQUADSPEC): From $FC -static-libgfortran -###
output determine -Bstatic/-Bdynamic, -bstatic/-bdynamic,
-aarchive_shared/-adefault linker support or Darwin remapping
of -lgfortran to libgfortran.a%s and use that around or instead
of -lquadmath in LIBQUADSPEC.
* configure: Regenerated.
--- gcc/common.opt.jj 2022-06-15 13:59:50.547031453 +0200
+++ gcc/common.opt 2022-09-29 18:26:29.765433518 +0200
@@ -3446,6 +3446,10 @@ static-libgfortran
Driver
; Documented for Fortran, but always accepted by driver.
+static-libquadmath
+Driver
+; Documented for Fortran, but always accepted by driver.
+
static-libstdc++
Driver
--- gcc/gcc.c.jj 2022-09-29 18:26:35.427356120 +0200
+++ gcc/gcc.c 2022-09-29 18:27:53.506289363 +0200
@@ -4482,10 +4482,13 @@ driver_handle_option (struct gcc_options
case OPT_static_libgcc:
case OPT_shared_libgcc:
case OPT_static_libgfortran:
+ case OPT_static_libquadmath:
case OPT_static_libstdc__:
- /* These are always valid, since gcc.c itself understands the
- first two, gfortranspec.c understands -static-libgfortran and
- g++spec.c understands -static-libstdc++ */
+ /* These are always valid, since gcc.c itself understands the
+ first two, gfortranspec.c understands -static-libgfortran,
+ d-spec.cc understands -static-libphobos, g++spec.c
+ understands -static-libstdc++ and libgfortran.spec handles
+ -static-libquadmath. */
validated = true;
break;
--- gcc/config/darwin.h.jj 2022-06-15 13:59:50.557031352 +0200
+++ gcc/config/darwin.h 2022-09-29 18:26:29.778433340 +0200
@@ -298,6 +298,7 @@ extern GTY(()) int darwin_ms_struct;
%:replace-outfile(-lobjc libobjc-gnu.a%s); \
:%:replace-outfile(-lobjc -lobjc-gnu ) } }\
%{static|static-libgcc|static-libgfortran:%:replace-outfile(-lgfortran libgfortran.a%s)}\
+ %{static|static-libgcc|static-libquadmath:%:replace-outfile(-lquadmath libquadmath.a%s)}\
%{static|static-libgcc|static-libstdc++|static-libgfortran:%:replace-outfile(-lgomp libgomp.a%s)}\
%{static|static-libgcc|static-libstdc++:%:replace-outfile(-lstdc++ libstdc++.a%s)}\
%{!Zdynamiclib: \
--- gcc/fortran/lang.opt.jj 2021-10-20 08:45:00.976203338 +0200
+++ gcc/fortran/lang.opt 2022-09-29 18:26:29.799433051 +0200
@@ -850,6 +850,10 @@ static-libgfortran
Fortran
Statically link the GNU Fortran helper library (libgfortran).
+static-libquadmath
+Driver
+Statically link the GCC Quad-Precision Math Library (libquadmath).
+
std=f2003
Fortran
Conform to the ISO Fortran 2003 standard.
--- gcc/fortran/invoke.texi.jj 2021-04-20 10:32:57.166451910 +0200
+++ gcc/fortran/invoke.texi 2022-09-29 18:26:29.790433175 +0200
@@ -170,7 +170,7 @@ and warnings}.
@item Link Options
@xref{Link Options,,Options for influencing the linking step}.
-@gccoptlist{-static-libgfortran}
+@gccoptlist{-static-libgfortran -static-libquadmath}
@item Runtime Options
@xref{Runtime Options,,Options for influencing runtime behavior}.
@@ -1389,6 +1389,20 @@ configured, this option has no effect.
@end table
+@table @gcctabopt
+@item -static-libquadmath
+@opindex @code{static-libquadmath}
+On systems that provide @file{libquadmath} as a shared and a static
+library, this option forces the use of the static version. If no
+shared version of @file{libquadmath} was built when the compiler was
+configured, this option has no effect.
+
+Please note that the @file{libquadmath} runtime library is licensed under the
+GNU Lesser General Public License (LGPL), and linking it statically introduces
+requirements when redistributing the resulting binaries.
+@end table
+
+
@node Runtime Options
@section Influencing runtime behavior
@cindex options, runtime
--- libgfortran/acinclude.m4.jj 2022-09-29 18:26:35.449355819 +0200
+++ libgfortran/acinclude.m4 2022-09-29 18:31:23.831416332 +0200
@@ -338,11 +338,32 @@ AC_DEFUN([LIBGFOR_CHECK_FLOAT128], [
ac_[]_AC_LANG_ABBREV[]_werror_flag=$ac_xsave_[]_AC_LANG_ABBREV[]_werror_flag
])
+ dnl Determine -Bstatic ... -Bdynamic etc. support from gfortran -### stderr.
+ touch conftest1.$ac_objext conftest2.$ac_objext
+ LQUADMATH=-lquadmath
+ $FC -static-libgfortran -### -o conftest \
+ conftest1.$ac_objext -lgfortran conftest2.$ac_objext 2>&1 >/dev/null \
+ | grep "conftest1.$ac_objext.*conftest2.$ac_objext" > conftest.cmd
+ if grep "conftest1.$ac_objext.* -Bstatic -lgfortran -Bdynamic .*conftest2.$ac_objext" \
+ conftest.cmd >/dev/null 2>&1; then
+ LQUADMATH="%{static-libquadmath:-Bstatic} -lquadmath %{static-libquadmath:-Bdynamic}"
+ elif grep "conftest1.$ac_objext.* -bstatic -lgfortran -bdynamic .*conftest2.$ac_objext" \
+ conftest.cmd >/dev/null 2>&1; then
+ LQUADMATH="%{static-libquadmath:-bstatic} -lquadmath %{static-libquadmath:-bdynamic}"
+ elif grep "conftest1.$ac_objext.* -aarchive_shared -lgfortran -adefault .*conftest2.$ac_objext" \
+ conftest.cmd >/dev/null 2>&1; then
+ LQUADMATH="%{static-libquadmath:-aarchive_shared} -lquadmath %{static-libquadmath:-adefault}"
+ elif grep "conftest1.$ac_objext.*libgfortran.a .*conftest2.$ac_objext" \
+ conftest.cmd >/dev/null 2>&1; then
+ LQUADMATH="%{static-libquadmath:libquadmath.a%s;:-lquadmath}"
+ fi
+ rm -f conftest1.$ac_objext conftest2.$ac_objext conftest conftest.cmd
+
dnl For static libgfortran linkage, depend on libquadmath only if needed.
if test "x$libgfor_cv_have_as_needed" = xyes; then
- LIBQUADSPEC="%{static-libgfortran:$libgfor_cv_as_needed_option} -lquadmath %{static-libgfortran:$libgfor_cv_no_as_needed_option}"
+ LIBQUADSPEC="%{static-libgfortran:$libgfor_cv_as_needed_option} $LQUADMATH %{static-libgfortran:$libgfor_cv_no_as_needed_option}"
else
- LIBQUADSPEC="-lquadmath"
+ LIBQUADSPEC="$LQUADMATH"
fi
if test -f ../libquadmath/libquadmath.la; then
LIBQUADLIB=../libquadmath/libquadmath.la
--- libgfortran/configure.jj 2022-09-29 18:26:35.482355368 +0200
+++ libgfortran/configure 2022-09-29 18:31:59.230932780 +0200
@@ -26200,10 +26200,30 @@ fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgfor_cv_have_as_needed" >&5
$as_echo "$libgfor_cv_have_as_needed" >&6; }
+ touch conftest1.$ac_objext conftest2.$ac_objext
+ LQUADMATH=-lquadmath
+ $FC -static-libgfortran -### -o conftest \
+ conftest1.$ac_objext -lgfortran conftest2.$ac_objext 2>&1 >/dev/null \
+ | grep "conftest1.$ac_objext.*conftest2.$ac_objext" > conftest.cmd
+ if grep "conftest1.$ac_objext.* -Bstatic -lgfortran -Bdynamic .*conftest2.$ac_objext" \
+ conftest.cmd >/dev/null 2>&1; then
+ LQUADMATH="%{static-libquadmath:-Bstatic} -lquadmath %{static-libquadmath:-Bdynamic}"
+ elif grep "conftest1.$ac_objext.* -bstatic -lgfortran -bdynamic .*conftest2.$ac_objext" \
+ conftest.cmd >/dev/null 2>&1; then
+ LQUADMATH="%{static-libquadmath:-bstatic} -lquadmath %{static-libquadmath:-bdynamic}"
+ elif grep "conftest1.$ac_objext.* -aarchive_shared -lgfortran -adefault .*conftest2.$ac_objext" \
+ conftest.cmd >/dev/null 2>&1; then
+ LQUADMATH="%{static-libquadmath:-aarchive_shared} -lquadmath %{static-libquadmath:-adefault}"
+ elif grep "conftest1.$ac_objext.*libgfortran.a .*conftest2.$ac_objext" \
+ conftest.cmd >/dev/null 2>&1; then
+ LQUADMATH="%{static-libquadmath:libquadmath.a%s;:-lquadmath}"
+ fi
+ rm -f conftest1.$ac_objext conftest2.$ac_objext conftest conftest.cmd
+
if test "x$libgfor_cv_have_as_needed" = xyes; then
- LIBQUADSPEC="%{static-libgfortran:$libgfor_cv_as_needed_option} -lquadmath %{static-libgfortran:$libgfor_cv_no_as_needed_option}"
+ LIBQUADSPEC="%{static-libgfortran:$libgfor_cv_as_needed_option} $LQUADMATH %{static-libgfortran:$libgfor_cv_no_as_needed_option}"
else
- LIBQUADSPEC="-lquadmath"
+ LIBQUADSPEC="$LQUADMATH"
fi
if test -f ../libquadmath/libquadmath.la; then
LIBQUADLIB=../libquadmath/libquadmath.la