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authorJing Yu <jingyu@google.com>2009-11-05 15:11:04 -0800
committerJing Yu <jingyu@google.com>2009-11-05 15:11:04 -0800
commitdf62c1c110e8532b995b23540b7e3695729c0779 (patch)
treedbbd4cbdb50ac38011e058a2533ee4c3168b0205 /gcc-4.2.1/libjava/mingwld.m4
parent8d401cf711539af5a2f78d12447341d774892618 (diff)
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Check in gcc sources for prebuilt toolchains in Eclair.
Diffstat (limited to 'gcc-4.2.1/libjava/mingwld.m4')
-rw-r--r--gcc-4.2.1/libjava/mingwld.m422
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc-4.2.1/libjava/mingwld.m4 b/gcc-4.2.1/libjava/mingwld.m4
new file mode 100644
index 000000000..940679886
--- /dev/null
+++ b/gcc-4.2.1/libjava/mingwld.m4
@@ -0,0 +1,22 @@
+AC_DEFUN([CHECK_FOR_BROKEN_MINGW_LD],
+[
+AC_MSG_CHECKING(whether 'ld' is at least 2.13)
+LD_PROG=`$CC --print-prog-name=ld`
+LD_VERSION=`$LD_PROG --version`
+LD_VERSION_MAJOR=`echo "$LD_VERSION" | head -1 | cut -d '.' -f 1 | cut -d ' ' -f 4`
+LD_VERSION_MINOR=`echo "$LD_VERSION" | head -1 | cut -d '.' -f 2`
+if expr "$LD_VERSION_MAJOR" \> 2 > /dev/null; then
+ LD_OK="ok"
+else
+ if expr "$LD_VERSION_MAJOR" = 2 && expr "$LD_VERSION_MINOR" \>= 13 > /dev/null; then
+ LD_OK="ok"
+ fi
+fi
+if test "x$LD_OK" != x; then
+ AC_MSG_RESULT([yes; major=$LD_VERSION_MAJOR, minor=$LD_VERSION_MINOR])
+else
+ AC_MSG_RESULT([no; major=$LD_VERSION_MAJOR, minor=$LD_VERSION_MINOR])
+ AC_MSG_WARN([ld <2.13 detected; enabling JV_LINKER_CANNOT_8BYTE_ALIGN_STATICS hack...])
+ AC_DEFINE(JV_LINKER_CANNOT_8BYTE_ALIGN_STATICS, 1,
+ [Indicate that linker is not able to 8-byte align static data])
+fi])