Add m-esr52 at 52.6.0

1 files changed, 105 insertions, 0 deletions

diff --git a/security/nss/coreconf/Werror.mk b/security/nss/coreconf/Werror.mk
new file mode 100644
index 000000000..69155eb14
--- /dev/null
+++ b/security/nss/coreconf/Werror.mk
@@ -0,0 +1,105 @@
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# This sets WARNING_CFLAGS for gcc-like compilers.
+
+ifndef CC_IS_CLANG
+  CC_IS_CLANG := $(and $(findstring clang, $(shell $(CC) --version 2>&1)), 1)
+  # Export CC_IS_CLANG to save a shell invocation when recursing.
+  export CC_IS_CLANG
+endif
+
+ifdef CC_IS_CLANG
+  # Clang claims GCC 4.2.1 compatibility, see GCC_VERSION
+  CC_IS_GCC = 1
+  # Export CC_IS_GCC to save a shell invocation when recursing.
+  export CC_IS_GCC
+endif
+
+ifndef CC_IS_GCC
+  CC_IS_GCC := $(shell $(CC) -x c -E -Wall -Werror /dev/null >/dev/null 2>&1 && echo 1)
+  # Export CC_IS_GCC to save a shell invocation when recursing.
+  export CC_IS_GCC
+endif
+
+ifndef CC_NAME
+  ifeq (1,$(CC_IS_GCC))
+    CC_NAME := $(shell $(CC) -? 2>&1 >/dev/null | sed -e 's/:.*//;1q')
+  else
+    CC_NAME := $(notdir $(CC))
+  endif
+  # Export CC_NAME to save a shell invocation when recursing.
+  export CC_NAME
+endif
+
+ifndef GCC_VERSION
+  ifeq (1,$(CC_IS_GCC))
+    GCC_VERSION := $(subst ., ,$(shell $(CC) -dumpversion || echo x.x.x))
+    # Export GCC_VERSION to save a shell invocation when recursing.
+    export GCC_VERSION
+  endif
+endif
+
+ifndef WARNING_CFLAGS
+  ifneq (1,$(CC_IS_GCC))
+    WARNING_CFLAGS = $(NULL)
+  else
+    # This tests to see if enabling the warning is possible before
+    # setting an option to disable it.
+    disable_warning = $(shell $(CC) -x c -E -Werror -W$(1) /dev/null >/dev/null 2>&1 && echo -Wno-$(1))
+
+    WARNING_CFLAGS = -Wall
+    ifdef CC_IS_CLANG
+      # -Qunused-arguments : clang objects to arguments that it doesn't understand
+      #    and fixing this would require rearchitecture
+      WARNING_CFLAGS += -Qunused-arguments
+      # -Wno-parentheses-equality : because clang warns about macro expansions
+      WARNING_CFLAGS += $(call disable_warning,parentheses-equality)
+      ifdef BUILD_OPT
+        # clang is unable to handle glib's expansion of strcmp and similar for optimized
+        # builds, so ignore the resulting errors.
+        # See https://llvm.org/bugs/show_bug.cgi?id=20144
+        WARNING_CFLAGS += $(call disable_warning,array-bounds)
+        WARNING_CFLAGS += $(call disable_warning,unevaluated-expression)
+      endif
+    endif # if clang
+
+    ifndef NSS_ENABLE_WERROR
+      ifeq ($(OS_TARGET),Android)
+        # Android lollipop generates the following warning:
+        # error: call to 'sprintf' declared with attribute warning:
+        #   sprintf is often misused; please use snprintf [-Werror]
+        # So, just suppress -Werror entirely on Android
+        NSS_ENABLE_WERROR = 0
+        $(warning OS_TARGET is Android, disabling -Werror)
+      else
+        ifdef CC_IS_CLANG
+          # Clang reports its version as an older gcc, but it's OK
+          NSS_ENABLE_WERROR = 1
+        else
+          ifneq (,$(filter 4.8 4.9,$(word 1,$(GCC_VERSION)).$(word 2,$(GCC_VERSION))))
+            NSS_ENABLE_WERROR = 1
+          endif
+          ifeq (,$(filter 0 1 2 3 4,$(word 1,$(GCC_VERSION))))
+            NSS_ENABLE_WERROR = 1
+          endif
+        endif
+        ifndef NSS_ENABLE_WERROR
+          $(warning Unable to find gcc 4.8 or greater, disabling -Werror)
+          NSS_ENABLE_WERROR = 0
+        endif
+      endif
+    endif #ndef NSS_ENABLE_WERROR
+
+    ifeq ($(NSS_ENABLE_WERROR),1)
+      WARNING_CFLAGS += -Werror
+    else
+      # Old versions of gcc (< 4.8) don't support #pragma diagnostic in functions.
+      # Use this to disable use of that #pragma and the warnings it suppresses.
+      WARNING_CFLAGS += -DNSS_NO_GCC48
+    endif
+  endif
+  export WARNING_CFLAGS
+endif # ndef WARNING_CFLAGS