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build: configure.ac: replace NM_COMPILER_FLAG with CC_CHECK_FLAG_APPEND

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This commit is contained in:
Beniamino Galvani 2016-05-20 15:01:14 +02:00
parent 54b873a475
commit 76eca6aca9
1 changed files with 11 additions and 7 deletions
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18
configure.ac
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@ -954,13 +954,17 @@ fi
AC_ARG_ENABLE(ld-gc, AS_HELP_STRING([--enable-ld-gc], [Enable garbage collection of unused symbols on linking (default: auto)]))
if (test "${enable_ld_gc}" != "no"); then
NM_COMPILER_FLAG([-fdata-sections -ffunction-sections -Wl,--gc-sections], [enable_ld_gc='yes'], [
if (test "${enable_ld_gc}" = "yes"); then
AC_MSG_ERROR([Unused symbol eviction requested but not supported.])
else
enable_ld_gc='no'
fi
])
CC_CHECK_FLAG_APPEND([ld_gc_flags], [CFLAGS], [-fdata-sections -ffunction-sections -Wl,--gc-sections])
if (test -n "${ld_gc_flags}"); then
enable_ld_gc="yes"
CFLAGS="$CFLAGS $ld_gc_flags"
else
if (test "${enable_ld_gc}" = "yes"); then
AC_MSG_ERROR([Unused symbol eviction requested but not supported.])
else
enable_ld_gc="no"
fi
fi
fi
dnl -------------------------