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authorAndreas Schneider <asn@cynapses.org>2010-09-08 11:18:37 +0200
committerAndreas Schneider <asn@cynapses.org>2010-09-08 11:20:10 +0200
commit254a08f540052250e67c5ca547f03e52c9f7d776 (patch)
treeb0c7ae680407096f08f5b531e3332eb210cd5168 /cmake/Modules
parent76ead916ce60c472aa086ab11f80dd8a436822ab (diff)
downloadlibssh-254a08f540052250e67c5ca547f03e52c9f7d776.tar.gz
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build: Cleanup DefineCompilerFlags.
Diffstat (limited to 'cmake/Modules')
-rw-r--r--cmake/Modules/DefineCompilerFlags.cmake106
1 files changed, 57 insertions, 49 deletions
diff --git a/cmake/Modules/DefineCompilerFlags.cmake b/cmake/Modules/DefineCompilerFlags.cmake
index 39964d7..89ab244 100644
--- a/cmake/Modules/DefineCompilerFlags.cmake
+++ b/cmake/Modules/DefineCompilerFlags.cmake
@@ -4,57 +4,65 @@ include(CheckCCompilerFlag)
include(MacroCheckCCompilerFlagSSP)
if (UNIX AND NOT WIN32)
- if (${CMAKE_C_COMPILER_ID} MATCHES GNU)
- # add -Wconversion ?
- set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99 -pedantic -Wall -Wextra -Wshadow -Wmissing-prototypes -Wdeclaration-after-statement -Wunused -Wfloat-equal -Wpointer-arith -Wwrite-strings -Wformat-security -Wmissing-format-attribute")
-
- # with -fPIC
- check_c_compiler_flag("-fPIC" WITH_FPIC)
- if (WITH_FPIC)
- set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
- endif (WITH_FPIC)
-
- check_c_compiler_flag_ssp("-fstack-protector" WITH_STACK_PROTECTOR)
- if (WITH_STACK_PROTECTOR)
- set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fstack-protector")
- endif (WITH_STACK_PROTECTOR)
-
- check_c_compiler_flag("-D_FORTIFY_SOURCE=2" WITH_FORTIFY_SOURCE)
- if (WITH_FORTIFY_SOURCE)
- set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_FORTIFY_SOURCE=2")
- endif (WITH_FORTIFY_SOURCE)
-
- endif (${CMAKE_C_COMPILER_ID} MATCHES GNU)
-
- if (CMAKE_SIZEOF_VOID_P MATCHES "8")
- # with large file support
- execute_process(
- COMMAND
- getconf LFS64_CFLAGS
- OUTPUT_VARIABLE
- _lfs_CFLAGS
- ERROR_QUIET
- OUTPUT_STRIP_TRAILING_WHITESPACE
- )
- else (CMAKE_SIZEOF_VOID_P MATCHES "8")
- # with large file support
- execute_process(
- COMMAND
- getconf LFS_CFLAGS
- OUTPUT_VARIABLE
- _lfs_CFLAGS
- ERROR_QUIET
- OUTPUT_STRIP_TRAILING_WHITESPACE
- )
- endif (CMAKE_SIZEOF_VOID_P MATCHES "8")
- if (_lfs_CFLAGS)
- string(REGEX REPLACE "[\r\n]" " " "${_lfs_CFLAGS}" "${${_lfs_CFLAGS}}")
- set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_lfs_CFLAGS}")
- endif (_lfs_CFLAGS)
+ #
+ # Define GNUCC compiler flags
+ #
+ if (${CMAKE_C_COMPILER_ID} MATCHES GNU)
+ # add -Wconversion ?
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99 -pedantic")
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wshadow -Wmissing-prototypes -Wdeclaration-after-statement")
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wunused -Wfloat-equal -Wpointer-arith -Wwrite-strings -Wformat-security")
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wmissing-format-attribute")
+
+ # with -fPIC
+ check_c_compiler_flag("-fPIC" WITH_FPIC)
+ if (WITH_FPIC)
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
+ endif (WITH_FPIC)
+
+ check_c_compiler_flag_ssp("-fstack-protector" WITH_STACK_PROTECTOR)
+ if (WITH_STACK_PROTECTOR)
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fstack-protector")
+ endif (WITH_STACK_PROTECTOR)
+
+ check_c_compiler_flag("-D_FORTIFY_SOURCE=2" WITH_FORTIFY_SOURCE)
+ if (WITH_FORTIFY_SOURCE)
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_FORTIFY_SOURCE=2")
+ endif (WITH_FORTIFY_SOURCE)
+ endif (${CMAKE_C_COMPILER_ID} MATCHES GNU)
+
+ #
+ # Check for large filesystem support
+ #
+ if (CMAKE_SIZEOF_VOID_P MATCHES "8")
+ # with large file support
+ execute_process(
+ COMMAND
+ getconf LFS64_CFLAGS
+ OUTPUT_VARIABLE
+ _lfs_CFLAGS
+ ERROR_QUIET
+ OUTPUT_STRIP_TRAILING_WHITESPACE
+ )
+ else (CMAKE_SIZEOF_VOID_P MATCHES "8")
+ # with large file support
+ execute_process(
+ COMMAND
+ getconf LFS_CFLAGS
+ OUTPUT_VARIABLE
+ _lfs_CFLAGS
+ ERROR_QUIET
+ OUTPUT_STRIP_TRAILING_WHITESPACE
+ )
+ endif (CMAKE_SIZEOF_VOID_P MATCHES "8")
+ if (_lfs_CFLAGS)
+ string(REGEX REPLACE "[\r\n]" " " "${_lfs_CFLAGS}" "${${_lfs_CFLAGS}}")
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_lfs_CFLAGS}")
+ endif (_lfs_CFLAGS)
endif (UNIX AND NOT WIN32)
-# suppress warning about "deprecated" functions
if (MSVC)
- set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_CRT_SECURE_NO_WARNINGS")
+ # Suppress warning about "deprecated" functions
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_CRT_SECURE_NO_WARNINGS")
endif (MSVC)