patches/gcc/4.4.6/290-freebsd.patch
author Cody Schafer <dev@codyps.com>
Fri May 09 19:13:49 2014 -0700 (2014-05-09)
changeset 3312 4876ff97e039
parent 2149 98b7806295cc
permissions -rw-r--r--
cc/gcc: allow CC_EXTRA_CONFIG_ARRAY on baremetal

The final bare-metal compiler is built using the core backend.
Currently the core uses the CC_CORE_EXTRA_CONFIG_ARRAY variable.

While this works as supposed to, this can leave the user puzzled
in the menuconfig, since all he can see is the core options, not
the final options.

Only show the core options if any of the core passes are needed,
and use the final options in the core-backend if we're issuing
the bare-metal compiler.

Signed-off-by: Cody P Schafer <dev@codyps.com>
[yann.morin.1998@free.fr: hide core options if no core pass needed;
use final option in core backend if issuing the bare-metal compiler]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Message-Id: <22181e546ba746202489.1399688067@localhost>
Patchwork-Id: 347586
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diff -durN gcc-4.4.5.orig/gcc/config/freebsd-spec.h gcc-4.4.5/gcc/config/freebsd-spec.h
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--- gcc-4.4.5.orig/gcc/config/freebsd-spec.h	2010-10-09 23:09:53.000000000 +0200
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+++ gcc-4.4.5/gcc/config/freebsd-spec.h	2010-10-09 23:10:02.000000000 +0200
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@@ -86,9 +86,10 @@
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 #define FBSD_STARTFILE_SPEC \
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   "%{!shared: \
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      %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \
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-		       %{!p:%{profile:gcrt1.o%s} \
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-			 %{!profile:crt1.o%s}}}} \
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-   crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
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+	%{!p:%{profile:gcrt1.o%s} \
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+	 %{!profile:crt1.o%s}}}} \
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+   crti.o%s \
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+   %{static:crtbeginT.o%s;shared:crtbeginS.o%s;:crtbegin.o%s}"
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 /* Provide a ENDFILE_SPEC appropriate for FreeBSD.  Here we tack on
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    the magical crtend.o file (see crtstuff.c) which provides part of 
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@@ -126,7 +127,8 @@
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     %{pg:  -lc_p}							\
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   }"
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 #else
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-#if FBSD_MAJOR < 5
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+#include <sys/param.h>
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+#if __FreeBSD_version < 500016
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 #define FBSD_LIB_SPEC "							\
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   %{!shared:								\
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     %{!pg:								\
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@@ -136,17 +138,34 @@
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       %{!pthread:-lc_p}							\
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       %{pthread:-lc_r_p}}						\
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   }"
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-#else
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+#elif __FreeBSD_version < 700022
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 #define FBSD_LIB_SPEC "							\
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   %{!shared:								\
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     %{!pg: %{pthread:-lpthread} -lc}					\
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     %{pg:  %{pthread:-lpthread_p} -lc_p}				\
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   }"
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+#else
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+#define FBSD_LIB_SPEC "							\
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+  %{!shared:								\
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+    %{!pg: %{pthread:-lpthread} -lc}					\
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+    %{pg:  %{pthread:-lpthread_p} -lc_p}}				\
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+  %{shared:								\
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+    %{pthread:-lpthread} -lc}						\
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+  "
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 #endif
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 #endif
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-#if FBSD_MAJOR < 6
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+#if FBSD_MAJOR < 5
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 #define FBSD_DYNAMIC_LINKER "/usr/libexec/ld-elf.so.1"
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 #else
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 #define FBSD_DYNAMIC_LINKER "/libexec/ld-elf.so.1"
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 #endif
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+
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+#if defined(HAVE_LD_EH_FRAME_HDR)
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+#define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
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+#endif
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+
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+/* Use --as-needed -lgcc_s for eh support.  */
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+#ifdef HAVE_LD_AS_NEEDED
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+#define USE_LD_AS_NEEDED 1
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+#endif