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build: add more precious variables for cross-compilation

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Using AC_ARG_VAR function, it's possible to add LD, AR, OBJCOPY,
OBJDUMP, RANLIB and STRIP to the list of precious variables in
$ac_precious_vars for configure tool.

Doing this, we are enabling a new set of variables (HOST_LD, HOST_AR,
HOST_OBJCOPY, HOST_OBJDUMP, HOST_RANLIB and HOST_STRIP) useful for
cross-compiling when the target toolchain is prepending a prefix
to these tools.

Signed-off-by: Emanuele Bovisio <emanuele.bovisio@eolo.it>
This commit is contained in:
Emanuele Bovisio 2020-10-30 18:39:00 +01:00
parent f52e45dbdb
commit 20fdd70fd0
1 changed files with 7 additions and 0 deletions
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7
configure.ac
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@ -25,6 +25,13 @@ dnl -----------------------------------
AC_CANONICAL_BUILD()
AC_CANONICAL_HOST()
AC_ARG_VAR([AR],[archiver command])
AC_ARG_VAR([LD],[linker command])
AC_ARG_VAR([OBJCOPY],[objcopy command])
AC_ARG_VAR([OBJDUMP],[objdump command])
AC_ARG_VAR([RANLIB],[ranlib command])
AC_ARG_VAR([STRIP],[strip command])
hosttools_clippy="false"
build_clippy="true"