all_sh: add a check for header inclusion in cpp_dummy_build.cpp

change the g++ test to be incremental, to save time
reorganize header order in cpp_dummy_build.cpp according to c locale

programs/test/cpp_dummy_build.cpp

diff --git a/programs/test/cpp_dummy_build.cpp b/programs/test/cpp_dummy_build.cpp
index 03373a9..41c24c9 100644
--- a/programs/test/cpp_dummy_build.cpp
+++ b/programs/test/cpp_dummy_build.cpp
@@ -41,6 +41,7 @@
 #include "mbedtls/certs.h"
 #include "mbedtls/chacha20.h"
 #include "mbedtls/chachapoly.h"
+#include "mbedtls/check_config.h"
 #include "mbedtls/cipher.h"
 #include "mbedtls/cipher_internal.h"
 #include "mbedtls/cmac.h"
@@ -61,21 +62,21 @@
 #include "mbedtls/havege.h"
 #include "mbedtls/hkdf.h"
 #include "mbedtls/hmac_drbg.h"
+#include "mbedtls/md.h"
 #include "mbedtls/md2.h"
 #include "mbedtls/md4.h"
 #include "mbedtls/md5.h"
-#include "mbedtls/md.h"
 #include "mbedtls/md_internal.h"
 #include "mbedtls/net.h"
 #include "mbedtls/net_sockets.h"
 #include "mbedtls/oid.h"
 #include "mbedtls/padlock.h"
 #include "mbedtls/pem.h"
+#include "mbedtls/pk.h"
+#include "mbedtls/pk_internal.h"
 #include "mbedtls/pkcs11.h"
 #include "mbedtls/pkcs12.h"
 #include "mbedtls/pkcs5.h"
-#include "mbedtls/pk.h"
-#include "mbedtls/pk_internal.h"
 #include "mbedtls/platform_time.h"
 #include "mbedtls/platform_util.h"
 #include "mbedtls/poly1305.h"
@@ -85,19 +86,19 @@
 #include "mbedtls/sha1.h"
 #include "mbedtls/sha256.h"
 #include "mbedtls/sha512.h"
+#include "mbedtls/ssl.h"
 #include "mbedtls/ssl_cache.h"
 #include "mbedtls/ssl_ciphersuites.h"
 #include "mbedtls/ssl_cookie.h"
-#include "mbedtls/ssl.h"
 #include "mbedtls/ssl_internal.h"
 #include "mbedtls/ssl_ticket.h"
 #include "mbedtls/threading.h"
 #include "mbedtls/timing.h"
 #include "mbedtls/version.h"
+#include "mbedtls/x509.h"
 #include "mbedtls/x509_crl.h"
 #include "mbedtls/x509_crt.h"
 #include "mbedtls/x509_csr.h"
-#include "mbedtls/x509.h"
 #include "mbedtls/xtea.h"
 
 #if defined(MBEDTLS_PLATFORM_C)

tests/scripts/all.sh

diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index bbfbfbc..cafb81c 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -228,6 +228,14 @@
     done
 }
 
+check_headers_in_cpp () {
+    ls include/mbedtls >headers.txt
+    <programs/test/cpp_dummy_build.cpp sed -n 's/"$//; s!^#include "mbedtls/!!p' |
+    sort |
+    diff headers.txt -
+    rm headers.txt
+}
+
 while [ $# -gt 0 ]; do
     case "$1" in
         --armcc) RUN_ARMCC=1;;
@@ -581,14 +589,16 @@
 cleanup
 record_status tests/scripts/key-exchanges.pl
 
-msg "build: Unix make, gcc and g++ test" # ~ 30s
-cleanup
-make TEST_CPP=1
-
 msg "build: Unix make, -Os (gcc)" # ~ 30s
 cleanup
 make CC=gcc CFLAGS='-Werror -Wall -Wextra -Os'
 
+msg "test: verify header list in cpp_dummy_build.cpp"
+record_status check_headers_in_cpp
+
+msg "build: Unix make, incremental g++"
+make TEST_CPP=1
+
 # Full configuration build, without platform support, file IO and net sockets.
 # This should catch missing mbedtls_printf definitions, and by disabling file
 # IO, it should catch missing '#include <stdio.h>'