configure.in: Fix checks for assembler features when using a one-tree assembler that has not...
* configure.in: Fix checks for assembler features when using a
one-tree assembler that has not yet been built.
Fix --disable-threads.
From-SVN: r36572
This commit is contained in:
Jason Merrill
Jason Merrill
parent
afa223c6a9
commit
981d485833
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@ -1,3 +1,9 @@
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2000-09-22 Jason Merrill <jason@redhat.com>
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* configure.in: Fix checks for assembler features when using a
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one-tree assembler that has not yet been built.
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Fix --disable-threads.
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2000-09-19 Geoff Keating <geoffk@cygnus.com>
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* stmt.c (expand_asm_operands): Allow # in constraints.
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File diff suppressed because it is too large
Load Diff
117
gcc/configure.in
117
gcc/configure.in
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@ -280,10 +280,7 @@ fi)
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# Pass with a value to specify a thread package
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AC_ARG_ENABLE(threads,
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[ --enable-threads enable thread usage for target GCC.
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--enable-threads=LIB use LIB thread package for target GCC.],
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if test x$enable_threads = xno; then
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enable_threads=''
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fi,
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--enable-threads=LIB use LIB thread package for target GCC.],,
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enable_threads='')
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enable_threads_flag=$enable_threads
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@ -4429,10 +4426,11 @@ if test -f ../ld/Makefile; then
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# fi
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fi
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# Figure out what assembler alignment features are present.
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AC_MSG_CHECKING(assembler alignment features)
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# Figure out what assembler we will be using.
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AC_MSG_CHECKING(what assembler to use)
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gcc_cv_as=
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gcc_cv_as_alignment_features=
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gcc_cv_gas_major_version=
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gcc_cv_gas_minor_version=
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gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
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if test -x "$DEFAULT_ASSEMBLER"; then
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gcc_cv_as="$DEFAULT_ASSEMBLER"
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@ -4456,21 +4454,9 @@ changequote(,)dnl
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gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"`
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gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
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changequote([,])dnl
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if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
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# Gas version 2.6 and later support for .balign and .p2align.
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# bytes to skip when using .p2align.
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if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then
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gcc_cv_as_alignment_features=".balign and .p2align"
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AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
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fi
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# Gas version 2.8 and later support specifying the maximum
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# bytes to skip when using .p2align.
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if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then
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gcc_cv_as_alignment_features=".p2align including maximum skip"
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AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
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fi
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fi
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elif test x$host = x$target; then
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fi
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if test "x$gcc_cv_as" = x -a x$host = x$target; then
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# Native build.
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# Search the same directories that the installed compiler will
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# search. Else we may find the wrong assembler and lose. If we
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@ -4522,7 +4508,39 @@ elif test x$host = x$target; then
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fi
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done
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fi
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if test x$gcc_cv_as != x; then
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if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
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AC_MSG_RESULT("newly built gas")
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else
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AC_MSG_RESULT($gcc_cv_as)
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fi
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# Figure out what nm we will be using.
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AC_MSG_CHECKING(what nm to use)
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if test -x nm$host_exeext; then
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gcc_cv_nm=./nm$host_exeext
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elif test x$host = x$target; then
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# Native build.
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gcc_cv_nm=nm$host_exeext
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fi
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AC_MSG_RESULT($gcc_cv_nm)
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# Figure out what assembler alignment features are present.
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AC_MSG_CHECKING(assembler alignment features)
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gcc_cv_as_alignment_features=
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if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
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# Gas version 2.6 and later support for .balign and .p2align.
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# bytes to skip when using .p2align.
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if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then
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gcc_cv_as_alignment_features=".balign and .p2align"
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AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
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fi
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# Gas version 2.8 and later support specifying the maximum
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# bytes to skip when using .p2align.
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if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then
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gcc_cv_as_alignment_features=".p2align including maximum skip"
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AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
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fi
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elif test x$gcc_cv_as != x; then
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# Check if we have .balign and .p2align
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echo ".balign 4" > conftest.s
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echo ".p2align 2" >> conftest.s
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@ -4544,17 +4562,15 @@ AC_MSG_RESULT($gcc_cv_as_alignment_features)
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AC_MSG_CHECKING(assembler subsection support)
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gcc_cv_as_subsections=
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if test x$gcc_cv_as != x; then
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if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
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if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
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gcc_cv_as_subsections="working .subsection -1"
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fi
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elif test x$gcc_cv_as != x; then
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# Check if we have .subsection
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echo ".subsection 1" > conftest.s
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if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
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gcc_cv_as_subsections=".subsection"
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if test -x nm$host_exeext; then
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gcc_cv_nm=./nm$host_exeext
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elif test x$host = x$target; then
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# Native build.
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gcc_cv_nm=nm$host_exeext
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fi
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if test x$gcc_cv_nm != x; then
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cat > conftest.s <<EOF
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conftest_label1: .word 0
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@ -4569,44 +4585,57 @@ EOF
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:
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else
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gcc_cv_as_subsections="working .subsection -1"
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AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
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[Define if your assembler supports .subsection and .subsection -1 starts
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emitting at the beginning of your section.])
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fi
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fi
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fi
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fi
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rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
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fi
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if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then
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AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
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[Define if your assembler supports .subsection and .subsection -1 starts
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emitting at the beginning of your section.])
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fi
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AC_MSG_RESULT($gcc_cv_as_subsections)
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AC_MSG_CHECKING(assembler weak support)
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gcc_cv_as_weak=
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if test x$gcc_cv_as != x; then
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if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
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if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 2 -o "$gcc_cv_gas_major_version" -gt 2; then
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gcc_cv_as_weak="yes"
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fi
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elif test x$gcc_cv_as != x; then
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# Check if we have .weak
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echo " .weak foobar" > conftest.s
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if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
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AC_DEFINE(HAVE_GAS_WEAK, 1,
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[Define if your assembler supports .weak.])
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gcc_cv_as_weak="yes"
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fi
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rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
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fi
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if test x"$gcc_cv_as_weak" = xyes; then
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AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])
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fi
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AC_MSG_RESULT($gcc_cv_as_weak)
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AC_MSG_CHECKING(assembler hidden support)
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gcc_cv_as_hidden=
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if test x$gcc_cv_as != x; then
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if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
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if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 10 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
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gcc_cv_as_hidden="yes"
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fi
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elif test x$gcc_cv_as != x; then
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# Check if we have .hidden
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echo " .hidden foobar" > conftest.s
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echo "foobar:" >> conftest.s
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if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
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AC_DEFINE(HAVE_GAS_HIDDEN, 1,
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[Define if your assembler supports .hidden.])
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gcc_cv_as_hidden="yes"
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fi
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rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
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fi
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if test x"$gcc_cv_as_hidden" = xyes; then
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AC_DEFINE(HAVE_GAS_HIDDEN, 1,
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[Define if your assembler supports .hidden.])
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fi
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AC_MSG_RESULT($gcc_cv_as_hidden)
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case "$target" in
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@ -4721,19 +4750,25 @@ changequote(,)dnl
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changequote([,])dnl
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AC_MSG_CHECKING(assembler instructions)
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gcc_cv_as_instructions=
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if test x$gcc_cv_as != x; then
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if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
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if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then
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gcc_cv_as_instructions="filds fists"
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fi
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elif test x$gcc_cv_as != x; then
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set "filds fists" "filds mem; fists mem"
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while test $# -gt 0
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do
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echo "$2" > conftest.s
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if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
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gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" "
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AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$1" | tr '[a-z ]' '[A-Z_]'`)
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fi
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shift 2
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done
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rm -f conftest.s conftest.o
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fi
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if test x"$gcc_cv_as_instructions" != x; then
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AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | tr '[a-z ]' '[A-Z_]'`)
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fi
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AC_MSG_RESULT($gcc_cv_as_instructions)
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;;
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esac
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