Add exception_tracer to OSS build

Summary:
What it says on the tin. Add the exception_tracer library to the folly OSS build, enabled with `--enable-exception-tracer`.
Closes https://github.com/facebook/folly/pull/580

Reviewed By: Orvid

Differential Revision: D4895533

Pulled By: yfeldblum

fbshipit-source-id: 4878826c71e7d6af17845b23abc07dc48ea1aa51

diff --git a/folly/Makefile.am b/folly/Makefile.am
index 4bde2ae3ee190ef3bc6e023f105bde10f13c29c2..3d5fd9ba5816c27af5a3a18f6445d07fe098fc52 100644 (file)
--- a/folly/Makefile.am
+++ b/folly/Makefile.am
@@ -1,9 +1,14 @@
 if FOLLY_TESTMAIN
-SUBDIRS = . experimental init test io/test experimental/io/test
-else
-SUBDIRS = . experimental test io/test experimental/io/test
+MAYBE_INIT = init
 endif
 
+if EXCEPTION_TRACER
+MAYBE_EXCEPTION_TRACER = experimental/exception_tracer
+endif
+
+SUBDIRS = . experimental $(MAYBE_INIT) test io/test experimental/io/test \
+         $(MAYBE_EXCEPTION_TRACER)
+
 ACLOCAL_AMFLAGS = -I m4
 
 CLEANFILES =
@@ -109,6 +114,11 @@ nobase_follyinclude_HEADERS = \
        experimental/EventCount.h \
        experimental/Instructions.h \
        experimental/bser/Bser.h \
+       experimental/exception_tracer/ExceptionAbi.h \
+       experimental/exception_tracer/ExceptionCounterLib.h \
+       experimental/exception_tracer/ExceptionTracer.h \
+       experimental/exception_tracer/ExceptionTracerLib.h \
+       experimental/exception_tracer/StackTrace.h \
        experimental/FunctionScheduler.h \
        experimental/FutureDAG.h \
        experimental/io/FsUtil.h \

diff --git a/folly/configure.ac b/folly/configure.ac
index 4e951b74386fd769f342851860eea1e49e4905b8..593ca850675af647a45f4a0bedeab05a1919c799 100644 (file)
--- a/folly/configure.ac
+++ b/folly/configure.ac
@@ -580,6 +580,10 @@ AS_IF([test "x${mobile}" = "xyes"], [
               [Define to 1 for compiler guards for mobile targets.])
 ])
 
+AC_ARG_ENABLE([exception-tracer],
+    AS_HELP_STRING([--enable-exception-tracer], [enables building exception tracer]),
+    [build_exception_tracer=${enableval}], [build_exception_tracer=no])
+
 # Include directory that contains "folly" so #include <folly/Foo.h> works
 AM_CPPFLAGS='-I$(top_srcdir)/..'
 AM_CPPFLAGS="$AM_CPPFLAGS $BOOST_CPPFLAGS $OPENSSL_INCLUDES"
@@ -606,6 +610,7 @@ AM_CONDITIONAL([HAVE_EXTRANDOM_SFMT19937],
 AM_CONDITIONAL([FOLLY_TESTMAIN], [test "x${use_follytestmain}" = "xyes"])
 AM_CONDITIONAL([HAVE_LIBDWARF], [test "x${have_libdwarf}" = "xyes"])
 AM_CONDITIONAL([HAVE_BOOST_CONTEXT], [test "x${ax_cv_boost_context}" = "xyes"])
+AM_CONDITIONAL([EXCEPTION_TRACER], [test "x${build_exception_tracer}" = "xyes"])
 
 # remove pkg-config deps from dependent libraries
 # (at least for pkg-config file purposes)
@@ -621,4 +626,7 @@ AC_CONFIG_FILES([Makefile
                  experimental/io/test/Makefile
                  experimental/symbolizer/Makefile
                  init/Makefile])
+
+AM_COND_IF([EXCEPTION_TRACER],
+           [AC_CONFIG_FILES([experimental/exception_tracer/Makefile])])
 AC_OUTPUT

diff --git a/folly/experimental/exception_tracer/Makefile.am b/folly/experimental/exception_tracer/Makefile.am
new file mode 100644 (file)
index 0000000..5c881bc
--- /dev/null
+++ b/folly/experimental/exception_tracer/Makefile.am
@@ -0,0 +1,13 @@
+SUBDIRS = .
+
+lib_LTLIBRARIES = libfollyexception_tracer.la
+
+libfollyexception_tracer_la_SOURCES = \
+       ExceptionCounterLib.cpp \
+       ExceptionStackTraceLib.cpp \
+       ExceptionTracer.cpp \
+       ExceptionTracerLib.cpp \
+       StackTrace.cpp
+
+libfollyexception_tracer_la_LIBADD = $(top_builddir)/libfolly.la $(top_builddir)/experimental/symbolizer/libfollysymbolizer.la
+libfollyexception_tracer_la_LDFLAGS = $(AM_LDFLAGS) -version-info $(LT_VERSION)