diff options
| -rw-r--r-- | modules/FindKDE4Internal.cmake | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/modules/FindKDE4Internal.cmake b/modules/FindKDE4Internal.cmake index f588639d..6a3d31fb 100644 --- a/modules/FindKDE4Internal.cmake +++ b/modules/FindKDE4Internal.cmake @@ -185,6 +185,7 @@ set(QT_MIN_VERSION "4.1.1") find_package(Qt4 REQUIRED) include (MacroLibrary) +include (CheckCXXSourceCompiles) #add some KDE specific stuff @@ -521,28 +522,18 @@ if (APPLE) endif (APPLE) -# only on linux, but NOT e.g. on FreeBSD: if (CMAKE_SYSTEM_NAME MATCHES Linux) set ( _KDE4_PLATFORM_DEFINITIONS -D_XOPEN_SOURCE=500 -D_BSD_SOURCE -D_GNU_SOURCE) set ( CMAKE_SHARED_LINKER_FLAGS "-Wl,--fatal-warnings -avoid-version -Wl,--no-undefined -lc") set ( CMAKE_MODULE_LINKER_FLAGS "-Wl,--fatal-warnings -avoid-version -Wl,--no-undefined -lc") - # optimization flags are set further below for the various build types - set ( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-long-long -ansi -Wundef -Wcast-align -Wconversion -Wchar-subscripts -Wall -W -Wpointer-arith -Wwrite-strings -Wformat-security -Wmissing-format-attribute -fno-common") - set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wnon-virtual-dtor -Wno-long-long -ansi -Wundef -Wcast-align -Wconversion -Wchar-subscripts -Wall -W -Wpointer-arith -Wwrite-strings -Wformat-security -fno-exceptions -fno-check-new -fno-common") endif (CMAKE_SYSTEM_NAME MATCHES Linux) - -# works on FreeBSD, NOT tested on NetBSD and OpenBSD if (CMAKE_SYSTEM_NAME MATCHES BSD) set ( _KDE4_PLATFORM_DEFINITIONS -D_GNU_SOURCE ) set ( CMAKE_SHARED_LINKER_FLAGS "-avoid-version -lc") set ( CMAKE_MODULE_LINKER_FLAGS "-avoid-version -lc") - # optimization flags are set further below for the various build types - set ( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-long-long -ansi -Wundef -Wcast-align -Wconversion -Wchar-subscripts -Wall -W -Wpointer-arith -Wwrite-strings -Wformat-security -Wmissing-format-attribute -fno-common") - set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wnon-virtual-dtor -Wno-long-long -Wundef -Wcast-align -Wconversion -Wchar-subscripts -Wall -W -Wpointer-arith -Wwrite-strings -Wformat-security -Wmissing-format-attribute -fno-exceptions -fno-check-new -fno-common") endif (CMAKE_SYSTEM_NAME MATCHES BSD) - # compiler specific stuff, maybe this should be done differently, Alex if (MSVC) @@ -560,6 +551,21 @@ if (CMAKE_COMPILER_IS_GNUCXX) set(CMAKE_C_FLAGS_RELEASE "-O2") set(CMAKE_C_FLAGS_DEBUG "-g -O2 -fno-reorder-blocks -fno-schedule-insns -fno-inline") set(CMAKE_C_FLAGS_DEBUGFULL "-g3 -fno-inline") + + if (CMAKE_SYSTEM_NAME MATCHES Linux) + set ( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-long-long -ansi -Wundef -Wcast-align -Werror-implicit-function-declaration -Wchar-subscripts -Wall -W -Wpointer-arith -Wwrite-strings -Wformat-security -Wmissing-format-attribute -fno-common") + set ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wnon-virtual-dtor -Wno-long-long -ansi -Wundef -Wcast-align -Wchar-subscripts -Wall -W -Wpointer-arith -Wwrite-strings -Wformat-security -fno-exceptions -fno-check-new -fno-common") + endif (CMAKE_SYSTEM_NAME MATCHES Linux) + + # visibility support + set (SAFE_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}") + set (CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -fvisibility=hidden") + CHECK_CXX_SOURCE_COMPILES("int main() { return 0; }" __KDE_HAVE_GCC_VISIBILITY) + if (__KDE_HAVE_GCC_VISIBILITY) + set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=hidden") + endif (__KDE_HAVE_GCC_VISIBILITY) + set (CMAKE_REQUIRED_FLAGS "${SAFE_CMAKE_REQUIRED_FLAGS}") + endif (CMAKE_COMPILER_IS_GNUCXX) # it seems we prefer not to use a different postfix for debug libs, Alex |