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Configure: Add configure switch to control use of sigaltstack

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This commit is contained in:
Jonathan G Rennison
2019-11-05 17:59:11 +00:00
parent a7404a88bd
commit 7046327b67
1 changed files with 29 additions and 19 deletions
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10
config.lib
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@@ -99,6 +99,7 @@ set_default() {
with_bfd_extra_debug="1" with_bfd_extra_debug="1"
with_self_gdb_debug="1" with_self_gdb_debug="1"
with_self_lldb_debug="1" with_self_lldb_debug="1"
with_sigaltstack="1"
save_params_array=" save_params_array="
build build
@@ -180,6 +181,7 @@ set_default() {
with_bfd_extra_debug with_bfd_extra_debug
with_self_gdb_debug with_self_gdb_debug
with_self_lldb_debug with_self_lldb_debug
with_sigaltstack
CC CXX CFLAGS CXXFLAGS LDFLAGS CFLAGS_BUILD CXXFLAGS_BUILD LDFLAGS_BUILD PKG_CONFIG_PATH PKG_CONFIG_LIBDIR" CC CXX CFLAGS CXXFLAGS LDFLAGS CFLAGS_BUILD CXXFLAGS_BUILD LDFLAGS_BUILD PKG_CONFIG_PATH PKG_CONFIG_LIBDIR"
} }
@@ -491,6 +493,10 @@ detect_params() {
--with-self-lldb-debug) with_self_lldb_debug="1";; --with-self-lldb-debug) with_self_lldb_debug="1";;
--with-self-lldb-debug=*) with_self_lldb_debug="$optarg";; --with-self-lldb-debug=*) with_self_lldb_debug="$optarg";;
--without-sigaltstack) with_sigaltstack="0";;
--with-sigaltstack) with_sigaltstack="1";;
--with-sigaltstack=*) with_sigaltstack="$optarg";;
CC=* | --CC=*) CC="$optarg";; CC=* | --CC=*) CC="$optarg";;
CXX=* | --CXX=*) CXX="$optarg";; CXX=* | --CXX=*) CXX="$optarg";;
CFLAGS=* | --CFLAGS=*) CFLAGS="$optarg";; CFLAGS=* | --CFLAGS=*) CFLAGS="$optarg";;
@@ -1817,6 +1823,7 @@ EOL
CFLAGS="$CFLAGS -DWITH_UCONTEXT" CFLAGS="$CFLAGS -DWITH_UCONTEXT"
fi fi
if [ "$with_sigaltstack" = "1" ]; then
log 2 "executing $cc_host $CFLAGS $CFLAGS_ENV $LDFLAGS $LDFLAGS_ENV $STATIC_FLAGS -o tmp.config.sigaltstack -x c++ - -ldl" log 2 "executing $cc_host $CFLAGS $CFLAGS_ENV $LDFLAGS $LDFLAGS_ENV $STATIC_FLAGS -o tmp.config.sigaltstack -x c++ - -ldl"
"$cc_host" $CFLAGS $CFLAGS_ENV $LDFLAGS $LDFLAGS_ENV $STATIC_FLAGS -o tmp.config.sigaltstack -x c++ - -ldl 2> /dev/null << EOL "$cc_host" $CFLAGS $CFLAGS_ENV $LDFLAGS $LDFLAGS_ENV $STATIC_FLAGS -o tmp.config.sigaltstack -x c++ - -ldl 2> /dev/null << EOL
#include <signal.h> #include <signal.h>
@@ -1839,6 +1846,9 @@ EOL
log 1 "checking sigaltstack... found" log 1 "checking sigaltstack... found"
CFLAGS="$CFLAGS -DWITH_SIGALTSTACK" CFLAGS="$CFLAGS -DWITH_SIGALTSTACK"
fi fi
else
log 1 "checking sigaltstack... disabled"
fi
fi fi
if [ "$os" = "MINGW" ]; then if [ "$os" = "MINGW" ]; then