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try to fix openwrt _FORTIFY_SOURCE detection

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Paul Gardner-Stephen 2016-09-22 11:33:11 +09:30
parent 6ae424fc86
commit 00c8f0fc65
1 changed files with 6 additions and 4 deletions
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10
configure.ac
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@ -18,17 +18,19 @@ dnl AX_CHECK_COMPILE_FLAG[-D_FORTIFY_SOURCE=1],[AC_DEFINE([FORTIFY_SOURCE_ENABLE
dnl [Fortify source already defined.])])
dnl AX_CHECK_COMPILE_FLAG[-D_FORTIFY_SOURCE=2],[AC_DEFINE([FORTIFY_SOURCE_ENABLED], [1],
dnl [Fortify source already defined.])])
AC_EGREP_CPP(yes_have_fortify_source, [
AC_EGREP_CPP(dont_have_fortify_source, [
#ifdef _FORTIFY_SOURCE
yes_have_fortify_source
#else
dont_have_fortify_source
#endif
], [
AC_MSG_CHECKING([if _FORTIFY_SOURCE automatically declared])
AC_MSG_RESULT([_FORTIFY_SOURCE is automatically defined])
], [
AC_MSG_CHECKING([if _FORTIFY_SOURCE automatically declared])
AC_MSG_RESULT([Adding -D_FORTIFY_SOURCE=2 to CFLAGS])
CFLAGS="$CFLAGS -D_FORTIFY_SOURCE=2"
], [
AC_MSG_CHECKING([if _FORTIFY_SOURCE automatically declared])
AC_MSG_RESULT([_FORTIFY_SOURCE is automatically defined])
])
dnl Set $host_os, which is needed by javac detection.