91 lines
3.0 KiB
Diff
91 lines
3.0 KiB
Diff
--- a/config.sub
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+++ b/config.sub
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@@ -1749,7 +1749,7 @@
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| onefs* | tirtos* | phoenix* | fuchsia* | redox* | bme* \
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| midnightbsd* | amdhsa* | unleashed* | emscripten* | wasi* \
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| nsk* | powerunix* | genode* | zvmoe* | qnx* | emx* | zephyr* \
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- | fiwix* )
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+ | fiwix* | montauk* )
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;;
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# This one is extra strict with allowed versions
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sco3.2v2 | sco3.2v[4-9]* | sco5v6*)
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--- a/gcc/config.gcc
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+++ b/gcc/config.gcc
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@@ -1935,6 +1935,12 @@
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x86_64-*-elf*)
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tm_file="${tm_file} i386/unix.h i386/att.h elfos.h newlib-stdint.h i386/i386elf.h i386/x86-64.h"
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;;
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+x86_64-*-montauk*)
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+ tm_file="${tm_file} i386/unix.h i386/att.h elfos.h newlib-stdint.h i386/i386elf.h i386/x86-64.h montauk.h"
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+ # The Montauk libc has no stdint.h of its own (programs normally use
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+ # the freestanding kernel headers), so GCC must provide one.
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+ use_gcc_stdint=provide
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+ ;;
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x86_64-*-rtems*)
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tm_file="${tm_file} i386/unix.h i386/att.h elfos.h newlib-stdint.h i386/i386elf.h i386/x86-64.h i386/rtemself.h rtems.h"
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;;
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--- a/libgcc/config.host
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+++ b/libgcc/config.host
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@@ -741,6 +741,10 @@
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i[34567]86-*-elf*)
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tmake_file="$tmake_file i386/t-crtstuff t-crtstuff-pic t-libgcc-pic"
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;;
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+x86_64-*-montauk*)
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+ tmake_file="$tmake_file i386/t-crtstuff t-crtstuff-pic t-libgcc-pic"
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+ extra_parts="crtbegin.o crtend.o"
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+ ;;
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x86_64-*-elf* | x86_64-*-rtems*)
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tmake_file="$tmake_file i386/t-crtstuff t-crtstuff-pic t-libgcc-pic"
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case ${host} in
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--- a/fixincludes/mkfixinc.sh
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+++ b/fixincludes/mkfixinc.sh
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@@ -20,6 +20,7 @@
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powerpcle-*-eabisim* | \
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powerpcle-*-eabi* | \
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*-*-vxworks7* | \
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+ *-montauk* | \
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*-musl* )
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# IF there is no include fixing,
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# THEN create a no-op fixer and exit
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--- a/libstdc++-v3/configure
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+++ b/libstdc++-v3/configure
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@@ -27340,6 +27340,9 @@
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# on a hosted environment.
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if test "x${with_newlib}" = "xyes"; then
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os_include_dir="os/newlib"
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+ case "${host}" in
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+ *-montauk*) os_include_dir="os/generic" ;; # Montauk libc is not newlib
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+ esac
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$as_echo "#define HAVE_HYPOT 1" >>confdefs.h
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--- a/gcc/collect2.cc
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+++ b/gcc/collect2.cc
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@@ -1049,6 +1049,26 @@
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prefix_from_env ("COMPILER_PATH", &cpath);
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prefix_from_env ("PATH", &path);
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+#ifdef __montauk__
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+ /* Keep a fallback for early boot and deliberately minimal environments.
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+ Derive the compiler search path from argv[0]: the driver invokes
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+ collect2 by its full path (the kernel provides the real exec path in
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+ argv[0]), and `ld` lives in the same libexec directory. Also seed PATH
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+ with the SDK bin directories when the caller did not provide one. */
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+
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+ if (cpath.plist == NULL && argv[0] != NULL)
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+ {
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+ const char *slash = strrchr (argv[0], '/');
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+ if (slash != NULL)
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+ add_prefix (&cpath, xstrndup (argv[0], slash - argv[0] + 1));
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+ }
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+ if (path.plist == NULL)
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+ {
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+ add_prefix (&path, "/sdk/x86_64-montauk/bin/");
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+ add_prefix (&path, "/sdk/bin/");
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+ }
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+#endif
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+
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/* Try to discover a valid linker/nm/strip to use. */
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/* Maybe we know the right file to use (if not cross). */
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