crosstool-ng/m4/ctng_prog_install.m4

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# Additional checks for install(1)
# Check if install(1) supports --strip-program=...
AC_DEFUN(
[CTNG_INSTALL_STRIP_PROGRAM],
[AC_CACHE_CHECK([whether install takes --strip-program option],
[ctng_cv_install_with_strip_program],
[touch conftest
mkdir conftest.dir
AS_IF([$INSTALL --strip-program=true -s conftest conftest.dir/conftest 2>/dev/null],
[ctng_cv_install_with_strip_program=yes],
[ctng_cv_install_with_strip_program=no])
rm -rf conftest.dir
rm -f conftest
])
AS_IF([test "$ctng_cv_install_with_strip_program" = yes], [$1], [$2])
])
AC_DEFUN([CTNG_PROG_INSTALL],
[CTNG_WITH_DEPRECATED([install], [INSTALL])
AC_ARG_VAR([INSTALL], [Specify the full path to a BSD-compatible install])
AC_PROG_INSTALL
CTNG_INSTALL_STRIP_PROGRAM(
[CTNG_SET_KCONFIG_OPTION([install_with_strip_program], [y])],
[CTNG_SET_KCONFIG_OPTION([install_with_strip_program])])
])