unix: add EXTRA_TARGET_CFLAGS in more places

This is a convention we weren't consistently following.

Author: indygreg

cpython-unix/build-inputproto.sh

@@ -15,7 +15,7 @@ export PKG_CONFIG_PATH=/tools/deps/share/pkgconfig
 tar -xf inputproto-${INPUTPROTO_VERSION}.tar.gz
 pushd inputproto-${INPUTPROTO_VERSION}
 
-CFLAGS="-fPIC" ./configure \
+CFLAGS="${EXTRA_TARGET_CFLAGS} -fPIC" ./configure \
     --build=${BUILD_TRIPLE} \
     --host=${TARGET_TRIPLE} \
     --prefix=/tools/deps

cpython-unix/build-kbproto.sh

@@ -15,7 +15,7 @@ export PKG_CONFIG_PATH=/tools/deps/share/pkgconfig
 tar -xf kbproto-${KBPROTO_VERSION}.tar.gz
 pushd kbproto-${KBPROTO_VERSION}
 
-CFLAGS="-fPIC" ./configure \
+CFLAGS="${EXTRA_TARGET_CFLAGS} -fPIC" ./configure \
     --build=${BUILD_TRIPLE} \
     --host=${TARGET_TRIPLE} \
     --prefix=/tools/deps

cpython-unix/build-libX11.sh

@@ -41,7 +41,7 @@ if [ "${CC}" = "musl-clang" ]; then
     EXTRA_FLAGS="--disable-shared"
 fi
 
-CFLAGS="-fPIC -I/tools/deps/include" ./configure \
+CFLAGS="${EXTRA_TARGET_CFLAGS} -fPIC -I/tools/deps/include" ./configure \
     --build=${BUILD_TRIPLE} \
     --host=${TARGET_TRIPLE} \
     --prefix=/tools/deps \

cpython-unix/build-libXau.sh

@@ -17,7 +17,7 @@ if [ "${CC}" = "musl-clang" ]; then
     EXTRA_FLAGS="--disable-shared"
 fi
 
-CFLAGS="-fPIC" ./configure \
+CFLAGS="${EXTRA_TARGET_CFLAGS} -fPIC" ./configure \
     --build=${BUILD_TRIPLE} \
     --host=${TARGET_TRIPLE} \
     --prefix=/tools/deps \

cpython-unix/build-libpthread-stubs.sh

@@ -15,7 +15,7 @@ export PKG_CONFIG_PATH=/tools/deps/share/pkgconfig
 tar -xf libpthread-stubs-${LIBPTHREAD_STUBS_VERSION}.tar.gz
 pushd libpthread-stubs-${LIBPTHREAD_STUBS_VERSION}
 
-CFLAGS="-fPIC" ./configure \
+CFLAGS="${EXTRA_TARGET_CFLAGS} -fPIC" ./configure \
     --build=${BUILD_TRIPLE} \
     --host=${TARGET_TRIPLE} \
     --prefix=/tools/deps

cpython-unix/build-libxcb.sh

@@ -17,7 +17,7 @@ if [ "${CC}" = "musl-clang" ]; then
     EXTRA_FLAGS="--disable-shared"
 fi
 
-CFLAGS="-fPIC" ./configure \
+CFLAGS="${EXTRA_TARGET_CFLAGS} -fPIC" ./configure \
     --build=${BUILD_TRIPLE} \
     --host=${TARGET_TRIPLE} \
     --prefix=/tools/deps \

cpython-unix/build-sqlite.sh

@@ -12,7 +12,7 @@ export PATH=${TOOLS_PATH}/${TOOLCHAIN}/bin:${TOOLS_PATH}/host/bin:$PATH
 tar -xf sqlite-autoconf-${SQLITE_VERSION}.tar.gz
 pushd sqlite-autoconf-${SQLITE_VERSION}
 
-CFLAGS="-fPIC" CPPFLAGS="-fPIC" ./configure \
+CFLAGS="${EXTRA_TARGET_CFLAGS} -fPIC" CPPFLAGS="${EXTRA_TARGET_CFLAGS} -fPIC" ./configure \
     --build=${BUILD_TRIPLE} \
     --host=${TARGET_TRIPLE} \
     --prefix /tools/deps \

cpython-unix/build-uuid.sh

@@ -12,7 +12,7 @@ export PATH=${TOOLS_PATH}/${TOOLCHAIN}/bin:${TOOLS_PATH}/host/bin:$PATH
 tar -xf libuuid-${UUID_VERSION}.tar.gz
 pushd libuuid-${UUID_VERSION}
 
-CFLAGS="-fPIC" CPPFLAGS="-fPIC" ./configure \
+CFLAGS="${EXTRA_TARGET_CFLAGS} -fPIC" CPPFLAGS="${EXTRA_TARGET_CFLAGS} -fPIC" ./configure \
     --build=${BUILD_TRIPLE} \
     --host=${TARGET_TRIPLE} \
     --prefix=/tools/deps \

cpython-unix/build-x11-util-macros.sh

@@ -11,7 +11,7 @@ export PATH=/tools/${TOOLCHAIN}/bin:/tools/host/bin:$PATH
 
 tar -xzf util-macros-${X11_UTIL_MACROS_VERSION}.tar.gz
 pushd util-macros-${X11_UTIL_MACROS_VERSION}
-./configure \
+CFLAGS="${EXTRA_TARGET_CFLAGS}" ./configure \
     --build=${BUILD_TRIPLE} \
     --host=${TARGET_TRIPLE} \
     --prefix=/tools/deps

cpython-unix/build-xcb-proto.sh

@@ -15,7 +15,7 @@ export PKG_CONFIG_PATH=/tools/deps/share/pkgconfig
 tar -xf xcb-proto-${XCB_PROTO_VERSION}.tar.gz
 pushd xcb-proto-${XCB_PROTO_VERSION}
 
-CFLAGS="-fPIC" ./configure \
+CFLAGS="${EXTRA_TARGET_CFLAGS} -fPIC" ./configure \
     --build=${BUILD_TRIPLE} \
     --host=${TARGET_TRIPLE} \
     --prefix=/tools/deps