[Commit-gnuradio] [gnuradio] 08/21: cmake: changed to using C checks for headers instead of C++.

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trondeau pushed a commit to branch android
in repository gnuradio.

commit 0f28e6243d68f0461987ff8344be5cd6de2d10db
Author: Tom Rondeau <address@hidden>
Date:   Wed Dec 31 14:50:08 2014 -0500

    cmake: changed to using C checks for headers instead of C++.
---
 cmake/Modules/GrMiscUtils.cmake     |  4 ++--
 gnuradio-runtime/ConfigChecks.cmake | 37 +++++++++++++++++++------------------
 gnuradio-runtime/lib/CMakeLists.txt |  1 +
 gr-blocks/lib/ConfigChecks.cmake    |  1 +
 4 files changed, 23 insertions(+), 20 deletions(-)

diff --git a/cmake/Modules/GrMiscUtils.cmake b/cmake/Modules/GrMiscUtils.cmake
index 188c404..4f8e3d8 100644
--- a/cmake/Modules/GrMiscUtils.cmake
+++ b/cmake/Modules/GrMiscUtils.cmake
@@ -47,8 +47,8 @@ endfunction(GR_ADD_COND_DEF)
 #  - def the pre-processor definition to set
 ########################################################################
 function(GR_CHECK_HDR_N_DEF hdr def)
-    include(CheckIncludeFileCXX)
-    CHECK_INCLUDE_FILE_CXX(${hdr} ${def})
+    include(CheckIncludeFile)
+    CHECK_INCLUDE_FILE(${hdr} ${def})
     GR_ADD_COND_DEF(${def})
 endfunction(GR_CHECK_HDR_N_DEF)
 
diff --git a/gnuradio-runtime/ConfigChecks.cmake 
b/gnuradio-runtime/ConfigChecks.cmake
index 9487d6a..bdc3ce2 100644
--- a/gnuradio-runtime/ConfigChecks.cmake
+++ b/gnuradio-runtime/ConfigChecks.cmake
@@ -20,6 +20,7 @@
 ########################################################################
 INCLUDE(GrMiscUtils)
 INCLUDE(CheckCXXSourceCompiles)
+INCLUDE(CheckCSourceCompiles)
 
 IF(MSVC) #add this directory for our provided headers
 LIST(APPEND CMAKE_REQUIRED_INCLUDES ${CMAKE_SOURCE_DIR}/msvc)
@@ -45,7 +46,7 @@ GR_CHECK_HDR_N_DEF(malloc.h HAVE_MALLOC_H)
 
 
 ########################################################################
-CHECK_CXX_SOURCE_COMPILES("
+CHECK_C_SOURCE_COMPILES("
     #include <stdio.h>
     int main(){snprintf(0, 0, 0); return 0;}
     " HAVE_SNPRINTF
@@ -53,7 +54,7 @@ CHECK_CXX_SOURCE_COMPILES("
 GR_ADD_COND_DEF(HAVE_SNPRINTF)
 
 ########################################################################
-CHECK_CXX_SOURCE_COMPILES("
+CHECK_C_SOURCE_COMPILES("
     #include <signal.h>
     int main(){sigaction(0, 0, 0); return 0;}
     " HAVE_SIGACTION
@@ -61,7 +62,7 @@ CHECK_CXX_SOURCE_COMPILES("
 GR_ADD_COND_DEF(HAVE_SIGACTION)
 
 ########################################################################
-CHECK_CXX_SOURCE_COMPILES("
+CHECK_C_SOURCE_COMPILES("
     #include <sys/select.h>
     int main(){select(0, 0, 0, 0, 0); return 0;}
     " HAVE_SELECT
@@ -70,14 +71,14 @@ GR_ADD_COND_DEF(HAVE_SELECT)
 
 
 ########################################################################
-CHECK_CXX_SOURCE_COMPILES("
+CHECK_C_SOURCE_COMPILES("
     #include <unistd.h>
     int main(){sysconf(0); return 0;}
     " HAVE_SYSCONF
 )
 GR_ADD_COND_DEF(HAVE_SYSCONF)
 
-CHECK_CXX_SOURCE_COMPILES("
+CHECK_C_SOURCE_COMPILES("
     #include <unistd.h>
     int main(){getpagesize(); return 0;}
     " HAVE_GETPAGESIZE
@@ -86,21 +87,21 @@ GR_ADD_COND_DEF(HAVE_GETPAGESIZE)
 
 
 ########################################################################
-CHECK_CXX_SOURCE_COMPILES("
+CHECK_C_SOURCE_COMPILES("
     #include <Winbase.h>
     int main(){Sleep(0); return 0;}
     " HAVE_SSLEEP
 )
 GR_ADD_COND_DEF(HAVE_SSLEEP)
 
-CHECK_CXX_SOURCE_COMPILES("
+CHECK_C_SOURCE_COMPILES("
     #include <time.h>
     int main(){nanosleep(0, 0); return 0;}
     " HAVE_NANOSLEEP
 )
 GR_ADD_COND_DEF(HAVE_NANOSLEEP)
 
-CHECK_CXX_SOURCE_COMPILES("
+CHECK_C_SOURCE_COMPILES("
     #include <sys/time.h>
     int main(){gettimeofday(0, 0); return 0;}
     " HAVE_GETTIMEOFDAY
@@ -108,14 +109,14 @@ CHECK_CXX_SOURCE_COMPILES("
 GR_ADD_COND_DEF(HAVE_GETTIMEOFDAY)
 
 ########################################################################
-CHECK_CXX_SOURCE_COMPILES("
+CHECK_C_SOURCE_COMPILES("
     #include <stdlib.h>
     int main(){posix_memalign(0, 0, 0); return 0;}
     " HAVE_POSIX_MEMALIGN
 )
 GR_ADD_COND_DEF(HAVE_POSIX_MEMALIGN)
 
-CHECK_CXX_SOURCE_COMPILES("
+CHECK_C_SOURCE_COMPILES("
     #include <malloc.h>
     int main(){valloc(0); return 0;}
     " HAVE_VALLOC
@@ -131,7 +132,7 @@ endif()
 
 ########################################################################
 SET(CMAKE_REQUIRED_LIBRARIES -lpthread)
-CHECK_CXX_SOURCE_COMPILES("
+CHECK_C_SOURCE_COMPILES("
     #include <signal.h>
     int main(){pthread_sigmask(0, 0, 0); return 0;}
     " HAVE_PTHREAD_SIGMASK
@@ -140,7 +141,7 @@ GR_ADD_COND_DEF(HAVE_PTHREAD_SIGMASK)
 SET(CMAKE_REQUIRED_LIBRARIES)
 
 ########################################################################
-CHECK_CXX_SOURCE_COMPILES("
+CHECK_C_SOURCE_COMPILES("
     #include <windows.h>
     int main(){
         HANDLE handle;
@@ -160,7 +161,7 @@ GR_ADD_COND_DEF(HAVE_CREATEFILEMAPPING)
 
 ########################################################################
 SET(CMAKE_REQUIRED_LIBRARIES -lrt)
-CHECK_CXX_SOURCE_COMPILES("
+CHECK_C_SOURCE_COMPILES("
     #include <sys/types.h>
     #include <sys/mman.h>
     int main(){shm_open(0, 0, 0); return 0;}
@@ -170,7 +171,7 @@ GR_ADD_COND_DEF(HAVE_SHM_OPEN)
 SET(CMAKE_REQUIRED_LIBRARIES)
 
 ########################################################################
-CHECK_CXX_SOURCE_COMPILES("
+CHECK_C_SOURCE_COMPILES("
     #define _GNU_SOURCE
     #include <math.h>
     int main(){double x, sin, cos; sincos(x, &sin, &cos); return 0;}
@@ -178,7 +179,7 @@ CHECK_CXX_SOURCE_COMPILES("
 )
 GR_ADD_COND_DEF(HAVE_SINCOS)
 
-CHECK_CXX_SOURCE_COMPILES("
+CHECK_C_SOURCE_COMPILES("
     #define _GNU_SOURCE
     #include <math.h>
     int main(){float x, sin, cos; sincosf(x, &sin, &cos); return 0;}
@@ -186,14 +187,14 @@ CHECK_CXX_SOURCE_COMPILES("
 )
 GR_ADD_COND_DEF(HAVE_SINCOSF)
 
-CHECK_CXX_SOURCE_COMPILES("
+CHECK_C_SOURCE_COMPILES("
     #include <math.h>
     int main(){sinf(0); return 0;}
     " HAVE_SINF
 )
 GR_ADD_COND_DEF(HAVE_SINF)
 
-CHECK_CXX_SOURCE_COMPILES("
+CHECK_C_SOURCE_COMPILES("
     #include <math.h>
     int main(){cosf(0); return 0;}
     " HAVE_COSF
@@ -201,7 +202,7 @@ CHECK_CXX_SOURCE_COMPILES("
 GR_ADD_COND_DEF(HAVE_COSF)
 
 ########################################################################
-CHECK_CXX_SOURCE_COMPILES("
+CHECK_C_SOURCE_COMPILES("
     #include <sys/mman.h>
     int main(){mmap(0, 0, 0, 0, 0, 0); return 0;}
     " HAVE_MMAP
diff --git a/gnuradio-runtime/lib/CMakeLists.txt 
b/gnuradio-runtime/lib/CMakeLists.txt
index 8fb4e3e..1ec2d9b 100644
--- a/gnuradio-runtime/lib/CMakeLists.txt
+++ b/gnuradio-runtime/lib/CMakeLists.txt
@@ -147,6 +147,7 @@ endif(ANDROID)
 
 
 #Add libraries for winsock2.h on Windows
+INCLUDE(CheckIncludeFileCXX)
 CHECK_INCLUDE_FILE_CXX(windows.h HAVE_WINDOWS_H)
 IF(HAVE_WINDOWS_H)
     ADD_DEFINITIONS(-DHAVE_WINDOWS_H -DUSING_WINSOCK -DWIN32_LEAN_AND_MEAN)
diff --git a/gr-blocks/lib/ConfigChecks.cmake b/gr-blocks/lib/ConfigChecks.cmake
index 7f60aed..d93abee 100644
--- a/gr-blocks/lib/ConfigChecks.cmake
+++ b/gr-blocks/lib/ConfigChecks.cmake
@@ -20,6 +20,7 @@
 ########################################################################
 INCLUDE(GrMiscUtils)
 INCLUDE(CheckCXXSourceCompiles)
+INCLUDE(CheckIncludeFileCXX)
 
 IF(MSVC) #add this directory for our provided headers
 LIST(APPEND CMAKE_REQUIRED_INCLUDES ${CMAKE_SOURCE_DIR}/msvc)