When Grub is compile with gcc 6.1 that have --enable-defult-pie set. It fail with. -ffreestanding -m32 -Wl,-melf_i386 -Wl,--build-id=none -nostdlib -Wl,-N -Wl,-r,-d - o trig.module trig_module-trigtables.o grep 'MARKER' gcry_whirlpool.marker.new > gcry_whirlpool.marker; rm -f gcry_whirlpool.marker.new /usr/lib/gcc/x86_64-pc-linux-gnu/6.1.0/../../../../x86_64-pc-linux-gnu/bin/ld: -r and - shared may not be used together collect2: error: ld returned 1 exit status Makefile:26993: recipe for target 'trig.module' failed
2016-05-21 Magnus Granberg <[email protected]> acinclude.m4: Add check for -no-pie. configure.ac: Add -no-pie to TARGET_LDFLAGS if needed. ...
--- a/acinclude.m4 2015-11-11 20:56:52.000000000 +0100 +++ b/acinclude.m4 2016-05-17 00:08:22.000000000 +0200 @@ -390,6 +390,24 @@ else [fi] ]) +dnl Check if the Linker supports `-no-pie'. +AC_DEFUN([grub_CHECK_NO_PIE], +[AC_MSG_CHECKING([whether linker accepts -no-pie]) +AC_CACHE_VAL(grub_cv_cc_ld_nopie, +[save_LDFLAGS="$LDFLAGS" +LDFLAGS="$LDFLAGS -no-pie" +AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])], + [grub_cv_cc_ld_no_pie=yes], + [grub_cv_cc_ld_no_pie=no]) +LDFLAGS="$save_LDFLAGS" +]) +AC_MSG_RESULT([$grub_cv_prog_ld_no_pie]) +nopie_possible=no +if test "x$grub_cv_cc_ld_no_pie" = xyes ; then + nopie_possible=yes +fi +]) + dnl Check if the C compiler supports `-fPIC'. AC_DEFUN([grub_CHECK_PIC],[ [# Position independent executable. --- a/configure.ac 2016-02-27 13:40:56.000000000 +0100 +++ b/configure.ac 2016-05-17 00:57:29.471000000 +0200 @@ -1184,13 +1184,18 @@ CFLAGS="$TARGET_CFLAGS" # Position independent executable. grub_CHECK_PIE +grub_CHECK_NO_PIE [# Need that, because some distributions ship compilers that include -# `-fPIE' in the default specs. +# `-fPIE and -pie' in the default specs. if [ x"$pie_possible" = xyes ]; then TARGET_CFLAGS="$TARGET_CFLAGS -fno-PIE" +fi +if [ x"$nopie_possible" = xyes ] && [ x"$pie_possible" = xyes ]; then + TARGET_LDFLAGS="$TARGET_LDFLAGS -no-pie" fi] CFLAGS="$TARGET_CFLAGS" +LDFLAGS="$TARGET_LDFLAGS" # Position independent executable. grub_CHECK_PIC
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