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Options '--no-as-needed' and '--soname' for linker auto detection

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WHR 2018-01-10 01:31:21 +08:00
parent 521175969f
commit 838d8369cd
1 changed files with 39 additions and 21 deletions
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60
configure vendored
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@ -1,7 +1,7 @@
#!/bin/sh
prefix=/usr/local
OUR_CPPFLAGS=
OUR_CPPFLAGS="-D_GNU_SOURCE"
C99_CFLAGS="-std=c99"
# Get a temporary filename
@ -15,23 +15,20 @@ done
set +C
trap 'rm "$tmpc"' EXIT INT QUIT TERM HUP
isgnuld() {
local ld="`$CC --print-prog-name=ld 2> /dev/null`" || return 1
[ -x "$ld" ] && "$ld" --version 2> /dev/null | grep -Fq GNU
}
check_compile() {
printf "checking %s ... " "$1"
printf "$3" > "$tmpc"
printf %s "$3" > "$tmpc"
local res=0
$CC $OUR_CPPFLAGS $CPPFLAGS $2 $C99_CFLAGS $CFLAGS -c "$tmpc" -o /dev/null >/dev/null 2>&1 \
|| res=1
test x$res = x0 && \
{ printf "yes\n" ; test x"$2" = x || OUR_CPPFLAGS="$OUR_CPPFLAGS $2" ; } \
|| printf "no\n"
test x$res = x0 && printf "yes\n" || printf "no\n"
return $res
}
check_compile_add_cppflag() {
check_compile "$@" && OUR_CPPFLAGS="$OUR_CPPFLAGS $2"
}
check_define() {
printf "checking whether \$CC defines %s ... " "$1"
local res=1
@ -42,7 +39,7 @@ check_define() {
check_compile_run() {
printf "checking %s ... " "$1"
printf "$2" > "$tmpc"
printf %s "$2" > "$tmpc"
local res=0
$CC $OUR_CPPFLAGS $CPPFLAGS $C99_CFLAGS $CFLAGS "$tmpc" -o "$tmpc".out >/dev/null 2>&1 \
|| res=1
@ -52,6 +49,21 @@ check_compile_run() {
return $res
}
check_link_slient() {
printf %s "$2" > "$tmpc"
$CC $OUR_CPPFLAGS $CPPFLAGS $1 $C99_CFLAGS $CFLAGS "$tmpc" -o /dev/null >/dev/null 2>&1
}
check_link() {
printf "checking %s ... " "$1"
printf %s "$2" > "$tmpc"
local res=0
$CC $OUR_CPPFLAGS $CPPFLAGS $1 $C99_CFLAGS $CFLAGS -c "$tmpc" -o /dev/null >/dev/null 2>&1 \
check_link_slient "$2" "$3" || res=1
test x$res = x0 && printf "yes\n" || printf "no\n"
return $res
}
usage() {
echo "supported arguments"
echo "--prefix=/path default: $prefix"
@ -141,9 +153,6 @@ issolaris() {
$solaris_detected
}
check_compile "whether fine to define _GNU_SOURCE" "-D_GNU_SOURCE" \
'#include <unistd.h>\nint main() { return 0; }'
check_define __APPLE__ && {
mac_detected=true
check_define __x86_64__ && mac_64=true
@ -158,8 +167,10 @@ OUR_CPPFLAGS="$OUR_CPPFLAGS -DBROKEN_FCLOSE"
}
check_define __sun && check_define __SVR4 && solaris_detected=true
issolaris && for i in 700 600; do
check_compile "whether _XOPEN_SOURCE=$i is suitable for C99 mode" "-D_XOPEN_SOURCE=$i" "#include <unistd.h>" && break
check_compile_add_cppflag "whether _XOPEN_SOURCE=$i is suitable for C99 mode" "-D_XOPEN_SOURCE=$i" "#include <unistd.h>" && break
done
check_link "whether we can use -Wl,--no-as-needed" "-Wl,--no-as-needed" \
"int main() { return 0; }" || echo NO_AS_NEEDED= >> config.mak
echo "CC=$CC">config.mak
[ -z "$CPPFLAGS" ] || echo "CPPFLAGS=$CPPFLAGS">>config.mak
@ -173,9 +184,21 @@ echo includedir=$includedir>>config.mak
echo sysconfdir=$sysconfdir>>config.mak
[ "$ignore_cve" = "no" ] && echo "CPPFLAGS+= -DSUPER_SECURE">>config.mak
[ -z "$OUR_CPPFLAGS" ] || echo "CPPFLAGS+= $OUR_CPPFLAGS" >>config.mak
LD_SONAME_FLAG=
printf "checking what's the option to use in linker to set library name ... "
for o in --soname -h -soname -install_name; do
check_link_slient "-shared -Wl,$o,libconftest.so" "void test_func(int a) {}" && LD_SONAME_FLAG=$o && break
done
if [ -z "$LD_SONAME_FLAG" ]; then
printf '\ncannot find an option to set library name\n'
exit 1
fi
echo "$LD_SONAME_FLAG"
echo "LD_SET_SONAME = -Wl,$LD_SONAME_FLAG," >> config.mak
make_cmd=make
if ismac ; then
echo NO_AS_NEEDED=>>config.mak
echo LDSO_SUFFIX=dylib>>config.mak
echo MAC_CFLAGS+=-DIS_MAC=1>>config.mak
if ismac64 && [ "$fat_binary" = 1 ] ; then
@ -183,17 +206,12 @@ if ismac ; then
echo MAC_CFLAGS+=-arch i386 -arch x86_64>>config.mak
echo LDFLAGS+=-arch i386 -arch x86_64>>config.mak
fi
echo LD_SET_SONAME=-Wl,-install_name,>>config.mak
elif isbsd ; then
echo LIBDL=>>config.mak
echo "CFLAGS+=-DIS_BSD">>config.mak
make_cmd=gmake
elif issolaris; then
echo "CFLAGS+=-DIS_SOLARIS -D__EXTENSIONS__" >> config.mak
if ! isgnuld; then
echo "NO_AS_NEEDED=" >> config.mak
echo "LD_SET_SONAME=-Wl,-h," >> config.mak
fi
echo "SOCKET_LIBS=-lsocket -lnsl" >> config.mak
fi