[Buildroot] [PATCH 2/3] package/brltty: use gcc instead of ld to link shared objects
Yann E. MORIN
yann.morin.1998 at free.fr
Sat Dec 30 13:07:11 UTC 2017
Mario, All,
On 2017-12-30 11:48 +0100, Mario Lang spake thusly:
> Fixes:
> http://autobuild.buildroot.net/results/2419741c43dea0f91859c19167c8d65cb54e1470
> http://autobuild.buildroot.net/results/4b83e53c718520661dc99cde2121f69ce3fd08d7
> Signed-off-by: Mario Lang <mlang at blind.guru>
> ---
> .../0003-Remove-MKOBJ-in-favour-of-MKMOD.patch | 63 ++++++++++++++++++++++
> 1 file changed, 63 insertions(+)
> create mode 100644 package/brltty/0003-Remove-MKOBJ-in-favour-of-MKMOD.patch
>
> diff --git a/package/brltty/0003-Remove-MKOBJ-in-favour-of-MKMOD.patch b/package/brltty/0003-Remove-MKOBJ-in-favour-of-MKMOD.patch
> new file mode 100644
> index 0000000000..d836652850
> --- /dev/null
> +++ b/package/brltty/0003-Remove-MKOBJ-in-favour-of-MKMOD.patch
> @@ -0,0 +1,63 @@
> +From b3b0e47015e9162f519730789976157c7cc38178 Mon Sep 17 00:00:00 2001
> +From: Mario Lang <mlang at delysid.org>
> +Date: Fri, 29 Dec 2017 14:52:37 +0100
> +Subject: [PATCH] Remove MKOBJ in favour of MKMOD. (ml)
> +
> +Calling ld directly can lead to problems when cross-compiling.
Since this is a backport of an upstream commit, we like to have a
pointer to the upstream commit:
https://github.com/brltty/brltty/commit/4c8aba42e246b96d10ffcbd57653682375499e46
Also, since you are patching configure.ac, you must autoreconf:
BRLTTY_AUTORECONF = YES
However, as a backport for Buildroot, I would just keep the diff about
Drivers/Braille/EuroBraille/Makefile.in and drop the rest of the diff,
which would no longer require running autoreconf.
Regards,
Yann E. MORIN.
> +Signed-off-by: Mario Lang <mlang at blind.guru>
> +---
> + Drivers/Braille/EuroBraille/Makefile.in | 2 +-
> + config.mk.in | 1 -
> + configure.ac | 10 ----------
> + 3 files changed, 1 insertion(+), 12 deletions(-)
> +
> +diff --git a/Drivers/Braille/EuroBraille/Makefile.in b/Drivers/Braille/EuroBraille/Makefile.in
> +index 0500aa70e..ce8a3d1a4 100644
> +--- a/Drivers/Braille/EuroBraille/Makefile.in
> ++++ b/Drivers/Braille/EuroBraille/Makefile.in
> +@@ -28,7 +28,7 @@ SRC_FILES = eu_braille.c eu_clio.c eu_esysiris.c
> + OBJ_FILES = $(SRC_FILES:.c=.$O)
> +
> + braille.$O: $(OBJ_FILES)
> +- $(MKOBJ) $@ $(OBJ_FILES)
> ++ $(MKMOD) $@ $(OBJ_FILES)
> +
> + %.$O: $(SRC_DIR)/%.c
> + $(CC) $(BRL_CFLAGS) -o $@ -c $<
> +diff --git a/config.mk.in b/config.mk.in
> +index 686f547e6..8d1da79b4 100644
> +--- a/config.mk.in
> ++++ b/config.mk.in
> +@@ -250,7 +250,6 @@ LD = @LD@
> + LDFLAGS = @LDFLAGS@
> + LDLIBS = $(ICU_LIBS) $(POLKIT_LIBS) $(SYSTEM_LIBS) @LIBS@
> +
> +-MKOBJ = @MKOBJ@
> + MKMOD = @MKMOD@
> + MKLIB = @MKLIB@
> + CONFLIBDIR = @CONFLIBDIR@
> +diff --git a/configure.ac b/configure.ac
> +index 07119dd9f..ad80b8d60 100644
> +--- a/configure.ac
> ++++ b/configure.ac
> +@@ -428,16 +428,6 @@ AC_SUBST([can_make_manual])
> + test "${DOXYGEN}" = "false" && can_make_BrlAPIref=no || can_make_BrlAPIref=yes
> + AC_SUBST([can_make_BrlAPIref])
> +
> +-AC_CACHE_CHECK([for make relocatable object command], [brltty_cv_prog_mkobj], [dnl
> +-case "${host_os}"
> +-in
> +- *)
> +- brltty_cv_prog_mkobj="\$(LD) -r -o"
> +- ;;
> +-esac])
> +-MKOBJ="${brltty_cv_prog_mkobj}"
> +-AC_SUBST([MKOBJ])
> +-
> + AC_CACHE_CHECK([for loadable module creation command], [brltty_cv_prog_mkmod], [dnl
> + case "${host_os}"
> + in
> +--
> +2.15.0
> +
> --
> 2.15.0
>
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