Set POSIX build to use C++17.

CMakeLists.txt

@@ -206,14 +206,14 @@ if (MINGW)
     set(CMAKE_STATIC_LIBRARY_PREFIX)
 
     add_definitions(-D_WIN32_WINNT=0x0600)
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse4 -std=c++11")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse4 -std=c++17")
 endif()
 
 if (UNIX)
     set(OS_DIR posix)
 
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC -msse4 -std=c++11")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC -msse4 -std=c++17")
 
     if (NOT CMAKE_CROSSCOMPILING)
         set(LIB_readline readline)

builds/posix/make.defaults

@@ -103,7 +103,7 @@ GLOB_OPTIONS:=
 #____________________________________________________________________________
 
 # Global c++ flags: firebird needs no RTTI, choose build standard
-PLUSPLUS_FLAGS:= -fno-rtti -std=c++11
+PLUSPLUS_FLAGS:= -fno-rtti -std=c++17
 
 # If this is defined then we use special rules useful for developers only
 IsDeveloper = @DEVEL_FLG@

builds/posix/prefix.freebsd_amd64

@@ -26,4 +26,4 @@ DEV_FLAGS=-ggdb -DFREEBSD -DAMD64 -pipe -MMD -p -fPIC -Wall -Wno-non-virtual-dto
 # This file must be compiled with SSE4.2 support
 %/CRC32C.o: CXXFLAGS += -msse4
 
-CXXFLAGS := $(CXXFLAGS) -std=c++11
+CXXFLAGS := $(CXXFLAGS) -std=c++17

configure.ac

@@ -906,7 +906,7 @@ dnl if 64-bit mode, then archive tool, ar, needs -X64 option
 fi
 
 XE_SAVE_ENV()
-CXXFLAGS="$CXXFLAGS -std=c++11"
+CXXFLAGS="$CXXFLAGS -std=c++17"
 AC_CACHE_CHECK([whether the C++ compiler understands noexcept], [ac_cv_cxx_noexcept], [
     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[int f(int x) noexcept { return x + 1; }]], [[]])],
 	[ac_cv_cxx_noexcept=yes], [ac_cv_cxx_noexcept=no])])

examples/extauth/Makefile

@@ -61,7 +61,7 @@ KEYGEN_objects=$(INTERMED)/keygen.o
 TCWRAP_objects=$(INTERMED)/TcWrapper.o
 KEY_AUTH_objects=$(INTERMED)/ExtAuth.o
 
-CXXFLAGS=-std=c++11 -pthread -I$(ROOT)/include -fPIC $(TOMCRYPT_COMPILE)
+CXXFLAGS=-std=c++17 -pthread -I$(ROOT)/include -fPIC $(TOMCRYPT_COMPILE)
 LDFLAGS=-pthread -L$(LIB) -Wl,-rpath,'$$ORIGIN/../lib' $(TOMCRYPT_LINK)
 
 LINK_LIBS=-lfbclient -ltomcrypt -ltommath

examples/interfaces/makefile

@@ -33,7 +33,7 @@ FBCLIENT = $(FIREBIRD)/lib/libfbclient.so
 # General Compiler and linker Defines for Linux
 # ---------------------------------------------------------------------
 CXX	= c++
-CXXFLAGS= -c -Wall -g3 -std=c++11  -fno-rtti $(INCLUDE)
+CXXFLAGS= -c -Wall -g3 -std=c++17  -fno-rtti $(INCLUDE)
 RM	= rm -f
 
 #

extern/icu/android/aarch64/config.sh

@@ -18,7 +18,7 @@
     --enable-dyload \
     --with-cross-build=$CROSS_BUILD_DIR \
     CFLAGS='-Os' \
-    CXXFLAGS='--std=c++11' \
+    CXXFLAGS='--std=c++17' \
     LDFLAGS='-static-libstdc++' \
     CC=aarch64-linux-android24-clang \
     CXX=aarch64-linux-android24-clang++ \

extern/icu/android/armv7a/config.sh

@@ -18,7 +18,7 @@
     --enable-dyload \
     --with-cross-build=$CROSS_BUILD_DIR \
     CFLAGS='-Os -march=armv7-a -mfloat-abi=softfp -mfpu=neon' \
-    CXXFLAGS='--std=c++11 -march=armv7-a -mfloat-abi=softfp -mfpu=neon' \
+    CXXFLAGS='--std=c++17 -march=armv7-a -mfloat-abi=softfp -mfpu=neon' \
     LDFLAGS='-static-libstdc++ -march=armv7-a -Wl,--fix-cortex-a8' \
     CC=arm-linux-androideabi-clang \
     CXX=arm-linux-androideabi-clang++ \

extern/icu/android/linux/config.sh

@@ -1,7 +1,7 @@
 #!/bin/sh
 ../source/runConfigureICU Linux --prefix=$PWD/prebuilt \
     CFLAGS="-Os" \
-    CXXFLAGS="--std=c++11" \
+    CXXFLAGS="--std=c++17" \
     --enable-static \
     --enable-shared=no \
     --enable-extras=no \