From 1084afc3c4d9c83e61620de60ba59a4393a33cb0 Mon Sep 17 00:00:00 2001 From: davidovski Date: Wed, 20 Apr 2022 22:40:49 +0000 Subject: fixed create to work within env --- extra/snappy/rtti.patch | 57 ++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 56 insertions(+), 1 deletion(-) (limited to 'extra/snappy/rtti.patch') diff --git a/extra/snappy/rtti.patch b/extra/snappy/rtti.patch index 77b8178..80f89ff 100644 --- a/extra/snappy/rtti.patch +++ b/extra/snappy/rtti.patch @@ -1 +1,56 @@ -Too Many Requests \ No newline at end of file +From f73b11e87dfbe1cb4862b8ee489679d99534f40b Mon Sep 17 00:00:00 2001 +From: Tim Serong +Date: Wed, 27 Oct 2021 18:49:04 +1100 +Subject: [PATCH] Re-enable RTTI (needed in order to subclass Source, etc.) + +Commit c98344f in snappy 1.1.9 disabled RTTI, which means the +snappy library no longer exports typeinfo for snappy::Source, +snappy::Sink, ..., so users of the library can't subclass these +classes anymore. + +Here's a trivial reproducer: + + #include + class MySource : snappy::Source { + public: + size_t Available() const override { return 0; } + const char *Peek(size_t *len) override { return NULL; } + void Skip(size_t n) override {} + }; + int main(int argc, char **argv) { + MySource m; + return 0; + } + +Try `g++ -o snappy-test ./snappy-test.cc -lsnappy` with the above +and the linker will fail with "undefined reference to `typeinfo +for snappy::Source'" if RTTI was disabled in the snappy build. +--- + CMakeLists.txt | 7 ------- + 1 file changed, 7 deletions(-) + +diff --git a/CMakeLists.txt b/CMakeLists.txt +index 6eef485..755605d 100644 +--- a/CMakeLists.txt ++++ b/CMakeLists.txt +@@ -51,10 +51,6 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC") + string(REGEX REPLACE "/EH[a-z]+" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHs-c-") + add_definitions(-D_HAS_EXCEPTIONS=0) +- +- # Disable RTTI. +- string(REGEX REPLACE "/GR" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") +- set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /GR-") + else(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC") + # Use -Wall for clang and gcc. + if(NOT CMAKE_CXX_FLAGS MATCHES "-Wall") +@@ -77,9 +73,6 @@ else(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC") + string(REGEX REPLACE "-fexceptions" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-exceptions") + +- # Disable RTTI. +- string(REGEX REPLACE "-frtti" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") +- set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti") + endif(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC") + + # BUILD_SHARED_LIBS is a standard CMake variable, but we declare it here to make -- cgit v1.2.1