forked from pool/busybox
95 lines
2.6 KiB
Diff
95 lines
2.6 KiB
Diff
---
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scripts/trylink | 25 ++++++++++++++++++-------
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1 file changed, 18 insertions(+), 7 deletions(-)
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--- a/scripts/trylink
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+++ b/scripts/trylink
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@@ -46,6 +46,14 @@ try() {
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return $exitcode
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}
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+check_cc() {
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+ if $CC $1 -shared -o /dev/null -xc /dev/null > /dev/null 2>&1; then
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+ echo "$1";
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+ else
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+ echo "$2";
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+ fi
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+}
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+
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EXE="$1"
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CC="$2"
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LDFLAGS="$3"
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@@ -53,6 +61,9 @@ O_FILES="$4"
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A_FILES="$5"
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LDLIBS="$6"
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+# The -Wl,--sort-section option is not supported by older versions of ld
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+SORT_SECTION=`check_cc "-Wl,--sort-section -Wl,alignment" ""`
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+
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# Sanitize lib list (dups, extra spaces etc)
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LDLIBS=`echo "$LDLIBS" | xargs -n1 | sort | uniq | xargs`
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@@ -64,7 +75,7 @@ test "x$l_list" != "x" && l_list="-Wl,--
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try $CC $LDFLAGS \
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-o $EXE \
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-Wl,--sort-common \
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- -Wl,--sort-section -Wl,alignment \
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+ $SORT_SECTION \
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-Wl,--gc-sections \
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-Wl,--start-group $O_FILES $A_FILES -Wl,--end-group \
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$l_list \
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@@ -88,7 +99,7 @@ while test "$LDLIBS"; do
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try $CC $LDFLAGS \
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-o $EXE \
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-Wl,--sort-common \
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- -Wl,--sort-section -Wl,alignment \
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+ $SORT_SECTION \
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-Wl,--gc-sections \
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-Wl,--start-group $O_FILES $A_FILES -Wl,--end-group \
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$l_list
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@@ -117,7 +128,7 @@ if ! test -f busybox_ldscript; then
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try $CC $LDFLAGS \
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-o $EXE \
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-Wl,--sort-common \
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- -Wl,--sort-section -Wl,alignment \
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+ $SORT_SECTION \
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-Wl,--gc-sections \
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-Wl,--start-group $O_FILES $A_FILES -Wl,--end-group \
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$l_list \
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@@ -139,7 +150,7 @@ else
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try $CC $LDFLAGS \
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-o $EXE \
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-Wl,--sort-common \
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- -Wl,--sort-section -Wl,alignment \
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+ $SORT_SECTION \
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-Wl,--gc-sections \
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-Wl,-T -Wl,busybox_ldscript \
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-Wl,--start-group $O_FILES $A_FILES -Wl,--end-group \
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@@ -174,7 +185,7 @@ if test "$CONFIG_BUILD_LIBBUSYBOX" = y;
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-Wl,-soname="libbusybox.so.$BB_VER" \
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-Wl,--undefined=lbb_main \
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-Wl,--sort-common \
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- -Wl,--sort-section -Wl,alignment \
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+ $SORT_SECTION \
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-Wl,--start-group $A_FILES -Wl,--end-group \
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$l_list \
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-Wl,--warn-common \
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@@ -195,7 +206,7 @@ if test "$CONFIG_FEATURE_SHARED_BUSYBOX"
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try $CC $LDFLAGS \
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-o $EXE \
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-Wl,--sort-common \
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- -Wl,--sort-section -Wl,alignment \
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+ $SORT_SECTION \
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-Wl,--gc-sections \
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-Wl,--start-group $O_FILES -Wl,--end-group \
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-L"$sharedlib_dir" -lbusybox \
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@@ -234,7 +245,7 @@ int main(int argc, char **argv)
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try $CC $LDFLAGS "$sharedlib_dir/applet.c" \
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-o $EXE \
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-Wl,--sort-common \
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- -Wl,--sort-section -Wl,alignment \
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+ $SORT_SECTION \
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-Wl,--gc-sections \
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-L"$sharedlib_dir" -lbusybox \
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-Wl,--warn-common \
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