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179 lines
8.3 KiB
179 lines
8.3 KiB
2 years ago
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2022-08-17 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
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Jakub Jelinek <jakub@redhat.com>
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PR fortran/46539
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gcc/
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* common.opt (static-libquadmath): New option.
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* gcc.cc (driver_handle_option): Always accept -static-libquadmath.
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* config/darwin.h (LINK_SPEC): Handle -static-libquadmath.
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gcc/fortran/
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* lang.opt (static-libquadmath): New option.
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* invoke.texi (-static-libquadmath): Document it.
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libgfortran/
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* acinclude.m4 (LIBQUADSPEC): From $FC -static-libgfortran -###
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output determine -Bstatic/-Bdynamic, -bstatic/-bdynamic,
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-aarchive_shared/-adefault linker support or Darwin remapping
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of -lgfortran to libgfortran.a%s and use that around or instead
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of -lquadmath in LIBQUADSPEC.
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* configure: Regenerated.
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--- gcc/common.opt.jj 2022-04-28 15:56:02.822846833 +0200
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+++ gcc/common.opt 2022-09-29 19:41:37.250880668 +0200
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@@ -3563,6 +3563,10 @@ static-libphobos
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Driver
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; Documented for D, but always accepted by driver.
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+static-libquadmath
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+Driver
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+; Documented for Fortran, but always accepted by driver.
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+
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static-libstdc++
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Driver
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--- gcc/gcc.cc.jj 2022-04-28 15:56:04.771819920 +0200
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+++ gcc/gcc.cc 2022-09-29 19:41:37.296880041 +0200
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@@ -4583,12 +4583,14 @@ driver_handle_option (struct gcc_options
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case OPT_static_libgcc:
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case OPT_shared_libgcc:
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case OPT_static_libgfortran:
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+ case OPT_static_libquadmath:
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case OPT_static_libphobos:
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case OPT_static_libstdc__:
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/* These are always valid, since gcc.cc itself understands the
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first two, gfortranspec.cc understands -static-libgfortran,
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- d-spec.cc understands -static-libphobos, and g++spec.cc
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- understands -static-libstdc++ */
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+ d-spec.cc understands -static-libphobos, g++spec.cc
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+ understands -static-libstdc++ and libgfortran.spec handles
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+ -static-libquadmath. */
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validated = true;
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break;
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--- gcc/config/darwin.h.jj 2022-06-18 21:56:40.666675606 +0200
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+++ gcc/config/darwin.h 2022-09-29 19:41:37.261880518 +0200
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@@ -443,6 +443,7 @@ extern GTY(()) int darwin_ms_struct;
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%:replace-outfile(-lobjc libobjc-gnu.a%s); \
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:%:replace-outfile(-lobjc -lobjc-gnu )}}\
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%{static|static-libgcc|static-libgfortran:%:replace-outfile(-lgfortran libgfortran.a%s)}\
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+ %{static|static-libgcc|static-libquadmath:%:replace-outfile(-lquadmath libquadmath.a%s)}\
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%{static|static-libgcc|static-libphobos:%:replace-outfile(-lgphobos libgphobos.a%s)}\
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%{static|static-libgcc|static-libstdc++|static-libgfortran:%:replace-outfile(-lgomp libgomp.a%s)}\
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%{static|static-libgcc|static-libstdc++:%:replace-outfile(-lstdc++ libstdc++.a%s)}\
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--- gcc/fortran/lang.opt.jj 2022-04-28 15:56:04.579822571 +0200
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+++ gcc/fortran/lang.opt 2022-09-29 19:41:37.279880273 +0200
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@@ -863,6 +863,10 @@ static-libgfortran
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Fortran
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Statically link the GNU Fortran helper library (libgfortran).
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+static-libquadmath
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+Driver
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+Statically link the GCC Quad-Precision Math Library (libquadmath).
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+
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std=f2003
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Fortran
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Conform to the ISO Fortran 2003 standard.
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--- gcc/fortran/invoke.texi.jj 2022-04-29 15:51:59.080720092 +0200
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+++ gcc/fortran/invoke.texi 2022-09-29 19:41:37.273880354 +0200
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@@ -170,7 +170,7 @@ and warnings}.
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@item Link Options
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@xref{Link Options,,Options for influencing the linking step}.
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-@gccoptlist{-static-libgfortran}
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+@gccoptlist{-static-libgfortran -static-libquadmath}
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@item Runtime Options
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@xref{Runtime Options,,Options for influencing runtime behavior}.
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@@ -1425,6 +1425,20 @@ configured, this option has no effect.
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@end table
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+@table @gcctabopt
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+@item -static-libquadmath
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+@opindex @code{static-libquadmath}
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+On systems that provide @file{libquadmath} as a shared and a static
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+library, this option forces the use of the static version. If no
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+shared version of @file{libquadmath} was built when the compiler was
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+configured, this option has no effect.
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+
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+Please note that the @file{libquadmath} runtime library is licensed under the
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+GNU Lesser General Public License (LGPL), and linking it statically introduces
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+requirements when redistributing the resulting binaries.
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+@end table
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+
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+
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@node Runtime Options
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@section Influencing runtime behavior
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@cindex options, runtime
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--- libgfortran/acinclude.m4.jj 2022-09-29 19:41:37.306879904 +0200
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+++ libgfortran/acinclude.m4 2022-09-29 19:42:42.641988408 +0200
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@@ -338,11 +338,32 @@ AC_DEFUN([LIBGFOR_CHECK_FLOAT128], [
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ac_[]_AC_LANG_ABBREV[]_werror_flag=$ac_xsave_[]_AC_LANG_ABBREV[]_werror_flag
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])
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+ dnl Determine -Bstatic ... -Bdynamic etc. support from gfortran -### stderr.
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+ touch conftest1.$ac_objext conftest2.$ac_objext
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+ LQUADMATH=-lquadmath
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+ $FC -static-libgfortran -### -o conftest \
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+ conftest1.$ac_objext -lgfortran conftest2.$ac_objext 2>&1 >/dev/null \
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+ | grep "conftest1.$ac_objext.*conftest2.$ac_objext" > conftest.cmd
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+ if grep "conftest1.$ac_objext.* -Bstatic -lgfortran -Bdynamic .*conftest2.$ac_objext" \
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+ conftest.cmd >/dev/null 2>&1; then
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+ LQUADMATH="%{static-libquadmath:-Bstatic} -lquadmath %{static-libquadmath:-Bdynamic}"
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+ elif grep "conftest1.$ac_objext.* -bstatic -lgfortran -bdynamic .*conftest2.$ac_objext" \
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+ conftest.cmd >/dev/null 2>&1; then
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+ LQUADMATH="%{static-libquadmath:-bstatic} -lquadmath %{static-libquadmath:-bdynamic}"
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+ elif grep "conftest1.$ac_objext.* -aarchive_shared -lgfortran -adefault .*conftest2.$ac_objext" \
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+ conftest.cmd >/dev/null 2>&1; then
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+ LQUADMATH="%{static-libquadmath:-aarchive_shared} -lquadmath %{static-libquadmath:-adefault}"
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+ elif grep "conftest1.$ac_objext.*libgfortran.a .*conftest2.$ac_objext" \
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+ conftest.cmd >/dev/null 2>&1; then
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+ LQUADMATH="%{static-libquadmath:libquadmath.a%s;:-lquadmath}"
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+ fi
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+ rm -f conftest1.$ac_objext conftest2.$ac_objext conftest conftest.cmd
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+
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dnl For static libgfortran linkage, depend on libquadmath only if needed.
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if test "x$libgfor_cv_have_as_needed" = xyes; then
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- LIBQUADSPEC="%{static-libgfortran:$libgfor_cv_as_needed_option} -lquadmath %{static-libgfortran:$libgfor_cv_no_as_needed_option}"
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+ LIBQUADSPEC="%{static-libgfortran:$libgfor_cv_as_needed_option} $LQUADMATH %{static-libgfortran:$libgfor_cv_no_as_needed_option}"
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else
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- LIBQUADSPEC="-lquadmath"
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+ LIBQUADSPEC="$LQUADMATH"
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fi
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if test -f ../libquadmath/libquadmath.la; then
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LIBQUADLIB=../libquadmath/libquadmath.la
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--- libgfortran/configure.jj 2022-09-29 19:41:37.345879372 +0200
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+++ libgfortran/configure 2022-09-29 19:42:59.878753212 +0200
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@@ -27301,10 +27301,30 @@ fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgfor_cv_have_as_needed" >&5
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$as_echo "$libgfor_cv_have_as_needed" >&6; }
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+ touch conftest1.$ac_objext conftest2.$ac_objext
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+ LQUADMATH=-lquadmath
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+ $FC -static-libgfortran -### -o conftest \
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+ conftest1.$ac_objext -lgfortran conftest2.$ac_objext 2>&1 >/dev/null \
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+ | grep "conftest1.$ac_objext.*conftest2.$ac_objext" > conftest.cmd
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+ if grep "conftest1.$ac_objext.* -Bstatic -lgfortran -Bdynamic .*conftest2.$ac_objext" \
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+ conftest.cmd >/dev/null 2>&1; then
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+ LQUADMATH="%{static-libquadmath:-Bstatic} -lquadmath %{static-libquadmath:-Bdynamic}"
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+ elif grep "conftest1.$ac_objext.* -bstatic -lgfortran -bdynamic .*conftest2.$ac_objext" \
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+ conftest.cmd >/dev/null 2>&1; then
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+ LQUADMATH="%{static-libquadmath:-bstatic} -lquadmath %{static-libquadmath:-bdynamic}"
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+ elif grep "conftest1.$ac_objext.* -aarchive_shared -lgfortran -adefault .*conftest2.$ac_objext" \
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+ conftest.cmd >/dev/null 2>&1; then
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+ LQUADMATH="%{static-libquadmath:-aarchive_shared} -lquadmath %{static-libquadmath:-adefault}"
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+ elif grep "conftest1.$ac_objext.*libgfortran.a .*conftest2.$ac_objext" \
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+ conftest.cmd >/dev/null 2>&1; then
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+ LQUADMATH="%{static-libquadmath:libquadmath.a%s;:-lquadmath}"
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+ fi
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+ rm -f conftest1.$ac_objext conftest2.$ac_objext conftest conftest.cmd
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+
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if test "x$libgfor_cv_have_as_needed" = xyes; then
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- LIBQUADSPEC="%{static-libgfortran:$libgfor_cv_as_needed_option} -lquadmath %{static-libgfortran:$libgfor_cv_no_as_needed_option}"
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+ LIBQUADSPEC="%{static-libgfortran:$libgfor_cv_as_needed_option} $LQUADMATH %{static-libgfortran:$libgfor_cv_no_as_needed_option}"
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else
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- LIBQUADSPEC="-lquadmath"
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+ LIBQUADSPEC="$LQUADMATH"
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fi
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if test -f ../libquadmath/libquadmath.la; then
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LIBQUADLIB=../libquadmath/libquadmath.la
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