complibs: let mingw-gcc find target companion libs

mingw-gcc searches for include and libs in <sysroot>/mingw
directory while non-mingw-gcc uses <sysroot>/usr. This patch
sets an appropriate prefix for target companion libs.

Signed-off-by: Kirill K. Smirnov <kirill.k.smirnov@gmail.com>

scripts/build/companion_libs/200-libelf.sh

@@ -69,13 +69,24 @@ if [ "${CT_LIBELF_TARGET}" = "y" ]; then
 
 do_libelf_for_target() {
     local -a libelf_opts
+    local prefix
 
     CT_DoStep INFO "Installing libelf for the target"
     CT_mkdir_pushd "${CT_BUILD_DIR}/build-libelf-target-${CT_TARGET}"
 
+    case "${CT_TARGET}" in
+        *-*-mingw*)
+            prefix="/mingw"
+            ;;
+        *)
+            prefix="/usr"
+            ;;
+    esac
+
     libelf_opts+=( "destdir=${CT_SYSROOT_DIR}" )
     libelf_opts+=( "host=${CT_TARGET}" )
-    libelf_opts+=( "prefix=/usr" )
+
+    libelf_opts+=( "prefix=${prefix}" )
     libelf_opts+=( "shared=y" )
     do_libelf_backend "${libelf_opts[@]}"
 

scripts/build/companion_libs/210-expat.sh

@@ -43,12 +43,21 @@ fi
 if [ "${CT_EXPAT_TARGET}" = "y" ]; then
 do_expat_for_target() {
     local -a expat_opts
+    local prefix
 
     CT_DoStep INFO "Installing expat for target"
     CT_mkdir_pushd "${CT_BUILD_DIR}/build-expat-target-${CT_TARGET}"
 
     expat_opts+=( "host=${CT_TARGET}" )
-    expat_opts+=( "prefix=/usr" )
+    case "${CT_TARGET}" in
+        *-*-mingw*)
+            prefix="/mingw"
+            ;;
+        *)
+            prefix="/usr"
+            ;;
+    esac
+    expat_opts+=( "prefix=${prefix}" )
     expat_opts+=( "destdir=${CT_SYSROOT_DIR}" )
     expat_opts+=( "static_build=y" )
 

scripts/build/companion_libs/220-ncurses.sh

@@ -72,13 +72,23 @@ fi
 
 if [ "${CT_NCURSES_TARGET}" = "y" ]; then
 do_ncurses_for_target() {
+    local prefix
+
     CT_DoStep INFO "Installing ncurses for target"
     CT_mkdir_pushd "${CT_BUILD_DIR}/build-ncurses-target-${CT_TARGET}"
     opts=("--without-sysmouse")
     [ "${CT_CC_LANG_CXX}" = "y" ] || opts+=("--without-cxx" "--without-cxx-binding")
     [ "${CT_CC_LANG_ADA}" = "y" ] || opts+=("--without-ada")
+    case "${CT_TARGET}" in
+        *-*-mingw*)
+            prefix="/mingw"
+            ;;
+        *)
+            prefix="/usr"
+            ;;
+    esac
     do_ncurses_backend host="${CT_TARGET}" \
-                       prefix="/usr" \
+                       prefix="${prefix}" \
                        destdir="${CT_SYSROOT_DIR}" \
                        "${opts[@]}"
     CT_Popd