libwebp: cmake-format all

https://github.com/cheshirekow/cmake_format
A complete row of # is replaced by only one,
so add a space after the first one to keep it.

Change-Id: I367749353a555c89c717f1939220699e43ecab2c

cmake/cpu.cmake

@@ -1,4 +1,4 @@
-## Check for SIMD extensions.
+# Check for SIMD extensions.
 include(CMakePushCheckState)
 
 function(webp_check_compiler_flag WEBP_SIMD_FLAG ENABLE_SIMD)
@@ -18,8 +18,7 @@ function(webp_check_compiler_flag WEBP_SIMD_FLAG ENABLE_SIMD)
         #endif
         return 0;
       }
-    " WEBP_HAVE_FLAG_${WEBP_SIMD_FLAG}
-  )
+    " WEBP_HAVE_FLAG_${WEBP_SIMD_FLAG})
   cmake_pop_check_state()
   if(WEBP_HAVE_FLAG_${WEBP_SIMD_FLAG})
     set(WEBP_HAVE_${WEBP_SIMD_FLAG} 1 PARENT_SCOPE)
@@ -30,15 +29,17 @@ endfunction()
 
 # those are included in the names of WEBP_USE_* in c++ code.
 set(WEBP_SIMD_FLAGS "SSE2;SSE41;AVX2;MIPS32;MIPS_DSP_R2;NEON;MSA")
-set(WEBP_SIMD_FILE_EXTENSIONS "_sse2.c;_sse41.c;_avx2.c;_mips32.c;_mips_dsp_r2.c;_neon.c;_msa.c")
+set(WEBP_SIMD_FILE_EXTENSIONS
+    "_sse2.c;_sse41.c;_avx2.c;_mips32.c;_mips_dsp_r2.c;_neon.c;_msa.c")
 if(MSVC)
-  # MSVC does not have a SSE4 flag but AVX2 support implies
-  # SSE4 support.
+  # MSVC does not have a SSE4 flag but AVX2 support implies SSE4 support.
   set(SIMD_ENABLE_FLAGS "/arch:SSE2;/arch:AVX2;/arch:AVX2;;;;")
   set(SIMD_DISABLE_FLAGS)
 else()
-  set(SIMD_ENABLE_FLAGS "-msse2;-msse4.1;-mavx2;-mips32;-mdspr2;-mfpu=neon;-mmsa")
-  set(SIMD_DISABLE_FLAGS "-mno-sse2;-mno-sse4.1;-mno-avx2;;-mno-dspr2;;-mno-msa")
+  set(SIMD_ENABLE_FLAGS
+      "-msse2;-msse4.1;-mavx2;-mips32;-mdspr2;-mfpu=neon;-mmsa")
+  set(SIMD_DISABLE_FLAGS
+      "-mno-sse2;-mno-sse4.1;-mno-avx2;;-mno-dspr2;;-mno-msa")
 endif()
 
 set(WEBP_SIMD_FILES_TO_NOT_INCLUDE)
@@ -47,10 +48,9 @@ set(WEBP_SIMD_FLAGS_TO_INCLUDE)
 
 if(${ANDROID})
   if(${ANDROID_ABI} STREQUAL "armeabi-v7a")
-    # This is because Android studio uses the configuration
-    # "-march=armv7-a -mfloat-abi=softfp -mfpu=vfpv3-d16"
-    # that does not trigger neon optimizations but should
-    # (as this configuration does not exist anymore).
+    # This is because Android studio uses the configuration "-march=armv7-a
+    # -mfloat-abi=softfp -mfpu=vfpv3-d16" that does not trigger neon
+    # optimizations but should (as this configuration does not exist anymore).
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpu=neon ")
   endif()
 endif()
@@ -77,8 +77,7 @@ foreach(I_SIMD RANGE ${WEBP_SIMD_FLAGS_RANGE})
   # Check which files we should include or not.
   list(GET WEBP_SIMD_FILE_EXTENSIONS ${I_SIMD} WEBP_SIMD_FILE_EXTENSION)
   file(GLOB SIMD_FILES "${CMAKE_CURRENT_LIST_DIR}/../"
-    "src/dsp/*${WEBP_SIMD_FILE_EXTENSION}"
-  )
+            "src/dsp/*${WEBP_SIMD_FILE_EXTENSION}")
   if(WEBP_HAVE_${WEBP_SIMD_FLAG})
     # Memorize the file and flags.
     foreach(FILE ${SIMD_FILES})
@@ -107,10 +106,10 @@ foreach(I_SIMD RANGE ${WEBP_SIMD_FLAGS_RANGE})
           endif()
           set(CMAKE_REQUIRED_DEFINITIONS ${SIMD_COMPILE_FLAG})
           check_c_source_compiles("int main(void) {return 0;}"
-            FLAG_${SIMD_COMPILE_FLAG}
-            FAIL_REGEX "warning: argument unused during compilation:"
-            ${COMMON_PATTERNS}
-          )
+                                  FLAG_${SIMD_COMPILE_FLAG}
+                                  FAIL_REGEX
+                                  "warning: argument unused during compilation:"
+                                  ${COMMON_PATTERNS})
           if(NOT FLAG_${SIMD_COMPILE_FLAG})
             unset(HAS_COMPILE_FLAG CACHE)
           endif()

cmake/deps.cmake

@@ -1,33 +1,27 @@
 # Generate the config.h to compile with specific intrinsics / libs.
 
-## Check for compiler options.
+# Check for compiler options.
 include(CheckCSourceCompiles)
 check_c_source_compiles("
     int main(void) {
       (void)__builtin_bswap16(0);
       return 0;
     }
-  "
-  HAVE_BUILTIN_BSWAP16
-)
+  " HAVE_BUILTIN_BSWAP16)
 check_c_source_compiles("
     int main(void) {
       (void)__builtin_bswap32(0);
       return 0;
     }
-  "
-  HAVE_BUILTIN_BSWAP32
-)
+  " HAVE_BUILTIN_BSWAP32)
 check_c_source_compiles("
     int main(void) {
       (void)__builtin_bswap64(0);
       return 0;
     }
-  "
-  HAVE_BUILTIN_BSWAP64
-)
+  " HAVE_BUILTIN_BSWAP64)
 
-## Check for libraries.
+# Check for libraries.
 find_package(Threads)
 if(Threads_FOUND)
   if(CMAKE_USE_PTHREADS_INIT)
@@ -40,8 +34,7 @@ if(Threads_FOUND)
           int attr = ${PTHREAD_TEST};
           return attr;
         }
-      " ${PTHREAD_TEST}
-    )
+      " ${PTHREAD_TEST})
   endforeach()
   list(APPEND WEBP_DEP_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
 endif()
@@ -54,17 +47,14 @@ set(LT_OBJDIR ".libs/")
 find_package(OpenGL)
 set(WEBP_HAVE_GL ${OPENGL_FOUND})
 
-# Check if we need to link to the C math library.
-# We do not look for it as it is not found when
-# cross-compiling, while it is here.
+# Check if we need to link to the C math library. We do not look for it as it is
+# not found when cross-compiling, while it is here.
 check_c_source_compiles("
     #include <math.h>
     int main(int argc, char** argv) {
       return (int)pow(argc, 2.5);
     }
-  "
-  HAVE_MATH_LIBRARY
-)
+  " HAVE_MATH_LIBRARY)
 if(NOT HAVE_MATH_LIBRARY)
   message(STATUS "Adding -lm flag.")
   list(APPEND WEBP_DEP_LIBRARIES m)
@@ -78,8 +68,8 @@ foreach(I_LIB PNG JPEG TIFF)
   set(WEBP_HAVE_${I_LIB} ${${I_LIB}_FOUND})
   if(${I_LIB}_FOUND)
     list(APPEND WEBP_DEP_IMG_LIBRARIES ${${I_LIB}_LIBRARIES})
-    list(APPEND WEBP_DEP_IMG_INCLUDE_DIRS
-         ${${I_LIB}_INCLUDE_DIR} ${${I_LIB}_INCLUDE_DIRS})
+    list(APPEND WEBP_DEP_IMG_INCLUDE_DIRS ${${I_LIB}_INCLUDE_DIR}
+                ${${I_LIB}_INCLUDE_DIRS})
   endif()
 endforeach()
 if(WEBP_DEP_IMG_INCLUDE_DIRS)
@@ -95,8 +85,8 @@ set(WEBP_HAVE_GIF ${GIF_FOUND})
 if(GIF_FOUND)
   # GIF find_package only locates the header and library, it doesn't fail
   # compile tests when detecting the version, but falls back to 3 (as of at
-  # least cmake 3.7.2). Make sure the library links to avoid incorrect
-  # detection when cross compiling.
+  # least cmake 3.7.2). Make sure the library links to avoid incorrect detection
+  # when cross compiling.
   cmake_push_check_state()
   set(CMAKE_REQUIRED_LIBRARIES ${GIF_LIBRARIES})
   set(CMAKE_REQUIRED_INCLUDES ${GIF_INCLUDE_DIR})
@@ -106,8 +96,7 @@ if(GIF_FOUND)
         (void)DGifOpenFileHandle;
         return 0;
       }
-      " GIF_COMPILES
-  )
+      " GIF_COMPILES)
   cmake_pop_check_state()
   if(GIF_COMPILES)
     list(APPEND WEBP_DEP_GIF_LIBRARIES ${GIF_LIBRARIES})
@@ -117,7 +106,7 @@ if(GIF_FOUND)
   endif()
 endif()
 
-## Check for specific headers.
+# Check for specific headers.
 include(CheckIncludeFiles)
 check_include_files("stdlib.h;stdarg.h;string.h;float.h" STDC_HEADERS)
 check_include_files(dlfcn.h HAVE_DLFCN_H)
@@ -139,25 +128,32 @@ check_include_files(windows.h HAVE_WINDOWS_H)
 
 # Windows specifics
 if(HAVE_WINCODEC_H)
-  list(APPEND WEBP_DEP_LIBRARIES shlwapi ole32 windowscodecs)
+  list(APPEND WEBP_DEP_LIBRARIES
+              shlwapi
+              ole32
+              windowscodecs)
 endif()
 
-## Check for SIMD extensions.
+# Check for SIMD extensions.
 include(${CMAKE_CURRENT_LIST_DIR}/cpu.cmake)
 
-## Define extra info.
+# Define extra info.
 set(PACKAGE ${PROJECT_NAME})
 set(PACKAGE_NAME ${PROJECT_NAME})
 
 # Read from configure.ac.
 file(READ ${CMAKE_CURRENT_SOURCE_DIR}/configure.ac CONFIGURE_AC)
-string(REGEX MATCHALL "\\[([0-9a-z\\.:/]*)\\]"
-  CONFIGURE_AC_PACKAGE_INFO ${CONFIGURE_AC}
-)
+string(REGEX MATCHALL
+             "\\[([0-9a-z\\.:/]*)\\]"
+             CONFIGURE_AC_PACKAGE_INFO
+             ${CONFIGURE_AC})
 function(strip_bracket VAR)
   string(LENGTH ${${VAR}} TMP_LEN)
   math(EXPR TMP_LEN ${TMP_LEN}-2)
-  string(SUBSTRING ${${VAR}} 1 ${TMP_LEN} TMP_SUB)
+  string(SUBSTRING ${${VAR}}
+                   1
+                   ${TMP_LEN}
+                   TMP_SUB)
   set(${VAR} ${TMP_SUB} PARENT_SCOPE)
 endfunction()