From 95750b1ca535a9883d483ee82b4373fb47d82bc5 Mon Sep 17 00:00:00 2001
From: Xavier de Gaye <xdegaye@users.sourceforge.net>
Date: Sat, 9 Jul 2016 11:05:42 +0200
Subject: [PATCH] Issue #27442: Expose the Android API level in
 sysconfig.get_config_vars() as 'ANDROID_API_LEVEL'.

---
 Misc/NEWS     |  3 +++
 configure     | 26 ++++++++++++++++++++++++++
 configure.ac  | 19 +++++++++++++++++++
 pyconfig.h.in |  3 +++
 4 files changed, 51 insertions(+)

diff --git a/Misc/NEWS b/Misc/NEWS
index 34f80fcc7d2..de68f270ec5 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -132,6 +132,9 @@ C API
 Build
 -----
 
+- Issue #27442: Expose the Android API level that python was built against, in
+  sysconfig.get_config_vars() as 'ANDROID_API_LEVEL'.
+
 - Issue #27434: The interpreter that runs the cross-build, found in PATH, must
   now be of the same feature version (e.g. 3.6) as the source being built.
 
diff --git a/configure b/configure
index fbde7f6f556..ceb042f485d 100755
--- a/configure
+++ b/configure
@@ -5648,6 +5648,32 @@ $as_echo "$ac_cv_safe_to_define___extensions__" >&6; }
 
 
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for the Android API level" >&5
+$as_echo_n "checking for the Android API level... " >&6; }
+cat >> conftest.c <<EOF
+#ifdef __ANDROID__
+#include <android/api-level.h>
+__ANDROID_API__
+#else
+#error not Android
+#endif
+EOF
+
+if $CPP $CPPFLAGS conftest.c >conftest.out 2>/dev/null; then
+  ANDROID_API_LEVEL=`grep -v '^#' conftest.out | grep -v '^ *$'`
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ANDROID_API_LEVEL" >&5
+$as_echo "$ANDROID_API_LEVEL" >&6; }
+
+cat >>confdefs.h <<_ACEOF
+#define ANDROID_API_LEVEL $ANDROID_API_LEVEL
+_ACEOF
+
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: not Android" >&5
+$as_echo "not Android" >&6; }
+fi
+rm -f conftest.c conftest.out
+
 # Check for unsupported systems
 case $ac_sys_system/$ac_sys_release in
 atheos*|Linux*/1*)
diff --git a/configure.ac b/configure.ac
index 9b65ec16a4e..7c83ca685c1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -899,6 +899,25 @@ AC_SUBST(NO_AS_NEEDED)
 # checks for UNIX variants that set C preprocessor variables
 AC_USE_SYSTEM_EXTENSIONS
 
+AC_MSG_CHECKING([for the Android API level])
+cat >> conftest.c <<EOF
+#ifdef __ANDROID__
+#include <android/api-level.h>
+__ANDROID_API__
+#else
+#error not Android
+#endif
+EOF
+
+if $CPP $CPPFLAGS conftest.c >conftest.out 2>/dev/null; then
+  ANDROID_API_LEVEL=`grep -v '^#' conftest.out | grep -v '^ *$'`
+  AC_MSG_RESULT([$ANDROID_API_LEVEL])
+  AC_DEFINE_UNQUOTED(ANDROID_API_LEVEL, $ANDROID_API_LEVEL, [The Android API level.])
+else
+  AC_MSG_RESULT([not Android])
+fi
+rm -f conftest.c conftest.out
+
 # Check for unsupported systems
 case $ac_sys_system/$ac_sys_release in
 atheos*|Linux*/1*)
diff --git a/pyconfig.h.in b/pyconfig.h.in
index a104f3c7454..dce5cfdab37 100644
--- a/pyconfig.h.in
+++ b/pyconfig.h.in
@@ -12,6 +12,9 @@
    support for AIX C++ shared extension modules. */
 #undef AIX_GENUINE_CPLUSPLUS
 
+/* The Android API level. */
+#undef ANDROID_API_LEVEL
+
 /* Define if C doubles are 64-bit IEEE 754 binary format, stored in ARM
    mixed-endian order (byte order 45670123) */
 #undef DOUBLE_IS_ARM_MIXED_ENDIAN_IEEE754