1 files changed, 91 insertions, 0 deletions
diff --git a/pkgs/stdenv/mingw/gcc-wrapper/gcc-wrapper.sh b/pkgs/stdenv/mingw/gcc-wrapper/gcc-wrapper.sh
new file mode 100644
index 0000000000000..9bcd519738635
--- /dev/null
+++ b/pkgs/stdenv/mingw/gcc-wrapper/gcc-wrapper.sh
@@ -0,0 +1,91 @@
+#! @shell@ -e
+
+params="$@"
+
+if test -n "$NIX_GCC_WRAPPER_START_HOOK"; then
+    source "$NIX_GCC_WRAPPER_START_HOOK"
+fi
+
+export NIX_CFLAGS_COMPILE="@cflagsCompile@ $NIX_CFLAGS_COMPILE"
+export NIX_CFLAGS_LINK="@cflagsLink@ $NIX_CFLAGS_LINK"
+export NIX_LDFLAGS="@ldflags@ $NIX_LDFLAGS"
+export NIX_LDFLAGS_BEFORE="@ldflagsBefore@ $NIX_LDFLAGS_BEFORE"
+export NIX_GLIBC_FLAGS_SET=1
+
+source @out@/nix-support/utils
+
+# Figure out if linker flags should be passed.  GCC prints annoying
+# warnings when they are not needed.
+dontLink=0
+if test "$*" = "-v" -o -z "$*"; then
+    dontLink=1
+else
+    for i in "$@"; do
+        if test "$i" = "-c"; then
+            dontLink=1
+        elif test "$i" = "-S"; then
+            dontLink=1
+        elif test "$i" = "-E"; then
+            dontLink=1
+        elif test "$i" = "-E"; then
+            dontLink=1
+        elif test "$i" = "-M"; then
+            dontLink=1
+        elif test "$i" = "-MM"; then
+            dontLink=1
+        fi
+    done
+fi
+
+# Add the flags for the C compiler proper.
+extraAfter="$NIX_CFLAGS_COMPILE"
+extraBefore=""
+
+if test "$dontLink" != "1"; then
+    # Add the flags that should only be passed to the compiler when
+    # linking.
+    extraAfter="$extraAfter $NIX_CFLAGS_LINK"
+
+    # Add the flags that should be passed to the linker (and prevent
+    # `ld-wrapper' from adding NIX_LDFLAGS again).
+    for i in $NIX_LDFLAGS_BEFORE; do
+        extraBefore="$extraBefore -Wl,$i"
+    done
+    for i in $NIX_LDFLAGS; do
+	if test "${i:0:3}" = "-L"; then
+	    extraAfter="$extraAfter $i"
+	else
+	    extraAfter="$extraAfter -Wl,$i"
+	fi
+    done
+    export NIX_LDFLAGS_SET=1
+
+    if test "$NIX_STRIP_DEBUG" = "1"; then
+        # Add executable-stripping flags.
+        extraAfter="$extraAfter $NIX_CFLAGS_STRIP"
+    fi
+fi
+
+# As a very special hack, if the arguments are just `-v', then don't
+# add anything.  This is to prevent `gcc -v' (which normally prints
+# out the version number and returns exit code 0) from printing out
+# `No input files specified' and returning exit code 1.
+if test "$*" = "-v"; then
+    extraAfter=""
+    extraBefore=""
+fi    
+
+if test -n "$NIX_GCC_WRAPPER_EXEC_HOOK"; then
+    source "$NIX_GCC_WRAPPER_EXEC_HOOK"
+fi
+
+# Call the real `gcc'.  Filter out warnings from stderr about unused
+# `-B' flags, since they confuse some programs.  Deep bash magic to
+# apply grep to stderr (by swapping stdin/stderr twice).
+if test -z "$NIX_GCC_NEEDS_GREP"; then
+    @gccProg@ $extraBefore $params $extraAfter
+else
+    (@gccProg@ $extraBefore $params $extraAfter 3>&2 2>&1 1>&3- \
+        | (grep -v 'file path prefix' || true); exit ${PIPESTATUS[0]}) 3>&2 2>&1 1>&3-
+    exit $?
+fi