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The cstddef discovery is from https://stackoverflow.com/questions/52567517/freefilesync-c-error-byte-is-not-a-member-of-std
Some changes just make the application work better in an installed setting (e.g., the hard-coded resouce path).
Tricking the wxWidgets ABI version comes from https://stackoverflow.com/questions/45123664/wxwidgets-runtime-error-mismatch-version/47822976#47822976
FreeFileSync 10.11 updated the default compile flags to -std=c++2a, but this fails on gcc 4.8.5 on el7. Reverting to -std=c++17 allows the application to compile.
diff -Naur -x '*.orig' -x '*.rej' -x '*.swp' 10.11-0/FreeFileSync/Source/base/ffs_paths.cpp 10.11-1/FreeFileSync/Source/base/ffs_paths.cpp
--- 10.11-0/FreeFileSync/Source/base/ffs_paths.cpp 2019-04-12 07:59:45.368162920 -0400
+++ 10.11-1/FreeFileSync/Source/base/ffs_paths.cpp 2019-04-12 10:19:57.226913391 -0400
@@ -59,7 +59,7 @@
ZEN_ON_SCOPE_EXIT(wxTheApp->SetAppName(appName));
//if (isPortableVersion())
- return appendSeparator(getExeFolderParentPath());
+ return appendSeparator("/usr") + appendSeparator("share") + appendSeparator("freefilesync");
//else //use OS' standard paths
// return appendSeparator(utfTo<Zstring>(wxStandardPathsBase::Get().GetResourcesDir()));
}
diff -Naur -x '*.orig' -x '*.rej' -x '*.swp' 10.11-0/FreeFileSync/Source/Makefile 10.11-1/FreeFileSync/Source/Makefile
--- 10.11-0/FreeFileSync/Source/Makefile 2019-04-12 07:59:45.042147902 -0400
+++ 10.11-1/FreeFileSync/Source/Makefile 2019-04-12 10:21:04.341525635 -0400
@@ -1,10 +1,10 @@
-EXENAME = FreeFileSync_$(shell arch)
+EXENAME = FreeFileSync
-CXXFLAGS = -std=c++2a -pipe -DWXINTL_NO_GETTEXT_MACRO -DLIBSSH2_OPENSSL -I../.. -I../../zenXml -include "zen/i18n.h" -include "zen/warn_static.h" \
+CXXFLAGS = -std=c++17 -pipe -DWXINTL_NO_GETTEXT_MACRO -DLIBSSH2_OPENSSL -I../.. -I../../zenXml -include "zen/i18n.h" -include "zen/warn_static.h" \
-Wall -Wfatal-errors -Wmissing-include-dirs -Wswitch-enum -Wcast-align -Wshadow -Wnon-virtual-dtor \
- -O3 -DNDEBUG `wx-config --cxxflags --debug=no` -pthread
+ -O3 -DNDEBUG -fPIC `wx-config --version=3.0 --cxxflags --debug=no` -pthread
-LINKFLAGS = -s -no-pie `wx-config --libs std, aui --debug=no` -pthread
+LINKFLAGS = -s -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -Wl,-z,relro -no-pie `wx-config --version=3.0 --libs std, aui --debug=no | sed -r -e 's/-[^[:space:]]+web[^[:space:]]+//;'` -lz -pthread
CXXFLAGS += `pkg-config --cflags openssl`
diff -Naur -x '*.orig' -x '*.rej' -x '*.swp' 10.11-0/FreeFileSync/Source/RealTimeSync/application.h 10.11-1/FreeFileSync/Source/RealTimeSync/application.h
--- 10.11-0/FreeFileSync/Source/RealTimeSync/application.h 2019-04-12 07:59:45.035147580 -0400
+++ 10.11-1/FreeFileSync/Source/RealTimeSync/application.h 2019-04-12 10:19:57.227913415 -0400
@@ -7,6 +7,8 @@
#ifndef APPLICATION_H_18506781708176342677
#define APPLICATION_H_18506781708176342677
+#define __GXX_ABI_VERSION 1002
+
#include <wx/app.h>
diff -Naur -x '*.orig' -x '*.rej' -x '*.swp' 10.11-0/FreeFileSync/Source/RealTimeSync/Makefile 10.11-1/FreeFileSync/Source/RealTimeSync/Makefile
--- 10.11-0/FreeFileSync/Source/RealTimeSync/Makefile 2019-04-12 07:59:45.008146336 -0400
+++ 10.11-1/FreeFileSync/Source/RealTimeSync/Makefile 2019-04-12 10:20:57.076351109 -0400
@@ -1,10 +1,10 @@
-EXENAME = RealTimeSync_$(shell arch)
+EXENAME = RealTimeSync
-CXXFLAGS = -std=c++2a -pipe -DWXINTL_NO_GETTEXT_MACRO -I../../.. -I../../../zenXml -include "zen/i18n.h" -include "zen/warn_static.h" \
+CXXFLAGS = -std=c++17 -pipe -DWXINTL_NO_GETTEXT_MACRO -I../../.. -I../../../zenXml -include "zen/i18n.h" -include "zen/warn_static.h" \
-Wall -Wfatal-errors -Wmissing-include-dirs -Wswitch-enum -Wcast-align -Wshadow -Wnon-virtual-dtor \
- -O3 -DNDEBUG `wx-config --cxxflags --debug=no` -pthread
+ -O3 -DNDEBUG -fPIC `wx-config --version=3.0 --cxxflags --debug=no` -pthread
-LINKFLAGS = -s -no-pie `wx-config --libs std, aui --debug=no` -pthread
+LINKFLAGS = -s -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -no-pie `wx-config --version=3.0 --cxxflags --libs std, aui --debug=no | sed -r -e 's/-[^[:space:]]+web[^[:space:]]+//;'` -lz -pthread
#Gtk - support "no button border"
CXXFLAGS += `pkg-config --cflags gtk+-2.0`
diff -Naur -x '*.orig' -x '*.rej' -x '*.swp' 10.11-0/FreeFileSync/Source/ui/small_dlgs.cpp 10.11-1/FreeFileSync/Source/ui/small_dlgs.cpp
--- 10.11-0/FreeFileSync/Source/ui/small_dlgs.cpp 2019-04-12 07:59:45.318160616 -0400
+++ 10.11-1/FreeFileSync/Source/ui/small_dlgs.cpp 2019-04-12 10:19:57.228913439 -0400
@@ -115,6 +115,8 @@
L" x64";
#endif
+ build +=
+ L" for CentOS 7";
GetSizer()->SetSizeHints(this); //~=Fit() + SetMinSize()
diff -Naur -x '*.orig' -x '*.rej' -x '*.swp' 10.11-0/wx+/app_main.h 10.11-1/wx+/app_main.h
--- 10.11-0/wx+/app_main.h 2019-04-12 07:59:44.936143019 -0400
+++ 10.11-1/wx+/app_main.h 2019-04-12 10:19:57.228913439 -0400
@@ -7,6 +7,8 @@
#ifndef APP_MAIN_H_08215601837818347575856
#define APP_MAIN_H_08215601837818347575856
+#define __GXX_ABI_VERSION 1002
+
#include <wx/window.h>
#include <wx/app.h>
diff -Naur -x '*.orig' -x '*.rej' -x '*.swp' 10.11-0/zen/ring_buffer.h 10.11-1/zen/ring_buffer.h
--- 10.11-0/zen/ring_buffer.h 2019-04-12 07:59:46.098196548 -0400
+++ 10.11-1/zen/ring_buffer.h 2019-04-12 10:19:57.228913439 -0400
@@ -9,6 +9,7 @@
#include <cassert>
#include "scope_guard.h"
+#include <cstddef>
namespace zen
diff -Naur -x '*.orig' -x '*.rej' -x '*.swp' 10.11-0/zen/serialize.h 10.11-1/zen/serialize.h
--- 10.11-0/zen/serialize.h 2019-04-12 07:59:46.080195719 -0400
+++ 10.11-1/zen/serialize.h 2019-04-12 10:19:57.229913463 -0400
@@ -9,6 +9,7 @@
#include <functional>
#include <cstdint>
+#include <cstddef>
#include "string_base.h"
//keep header clean from specific stream implementations! (e.g.file_io.h)! used by abstract.h!
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