Improve SearchLibraries module (#18)

- Result variable name is now optional as often times, only library that
  needs to be linked is searched and result variable is redundant
- Added titles to all modules
- Update texts
- Added more features info

Author: petk

cmake/Zend/cmake/MaxExecutionTimers.cmake

@@ -58,10 +58,10 @@ endif()
 if(ZEND_MAX_EXECUTION_TIMERS AND CMAKE_SYSTEM_NAME STREQUAL "Linux")
   php_search_libraries(
     timer_create
-    HAVE_TIMER_CREATE
     HEADERS time.h
     LIBRARIES
       rt # Solaris <= 10, older Linux
+    VARIABLE HAVE_TIMER_CREATE
     LIBRARY_VARIABLE libraryForTimerCreate
   )
 

cmake/cmake/ConfigureChecks.cmake

@@ -510,16 +510,14 @@ endif()
 
 php_search_libraries(
   dlopen
-  HAVE_LIBDL
   HEADERS dlfcn.h
-  LIBRARIES
-    ${CMAKE_DL_LIBS}
+  LIBRARIES ${CMAKE_DL_LIBS}
+  VARIABLE HAVE_LIBDL
   TARGET php_configuration INTERFACE
 )
 
 php_search_libraries(
   sin
-  HAVE_SIN
   HEADERS math.h
   LIBRARIES m
   TARGET php_configuration INTERFACE
@@ -536,7 +534,6 @@ endif()
 # The socket() is mostly in C library (Solaris 11.4...)
 php_search_libraries(
   socket
-  HAVE_SOCKET
   HEADERS
     sys/socket.h
     winsock.h
@@ -550,31 +547,30 @@ php_search_libraries(
 # The socketpair() is mostly in C library (Solaris 11.4...), except Windows.
 php_search_libraries(
   socketpair
-  HAVE_SOCKETPAIR
   HEADERS sys/socket.h
   LIBRARIES
     socket  # Solaris <= 11.3, illumos
     network # Haiku
+  VARIABLE HAVE_SOCKETPAIR
   TARGET php_configuration INTERFACE
 )
 
 # The gethostname() is mostly in C library (Solaris/illumos...)
 php_search_libraries(
   gethostname
-  HAVE_GETHOSTNAME
   HEADERS
     unistd.h
     winsock.h
   LIBRARIES
     network # Haiku
     ws2_32  # Windows
+  VARIABLE HAVE_GETHOSTNAME
   TARGET php_configuration INTERFACE
 )
 
 # The gethostbyaddr() is mostly in C library (Solaris 11.4...)
 php_search_libraries(
   gethostbyaddr
-  HAVE_GETHOSTBYADDR
   HEADERS
     netdb.h
     sys/socket.h
@@ -590,7 +586,6 @@ php_search_libraries(
 # and illumos don't have it.
 php_search_libraries(
   openpty
-  HAVE_OPENPTY
   HEADERS
     pty.h
     libutil.h # FreeBSD
@@ -599,24 +594,24 @@ php_search_libraries(
   LIBRARIES
     util # Some BSD-based systems
     bsd  # Haiku
+  VARIABLE HAVE_OPENPTY
   TARGET php_configuration INTERFACE
 )
 
 # The inet_ntoa() is mostly in C library (Solaris 11.4, illumos...)
 php_search_libraries(
   inet_ntoa
-  HAVE_INET_NTOA
   HEADERS arpa/inet.h
   LIBRARIES
     nsl     # Solaris <= 11.3
     network # Haiku
+  VARIABLE HAVE_INET_NTOA
   TARGET php_configuration INTERFACE
 )
 
 # The inet_ntop() is mostly in C library (Solaris 11.4, illumos, BSD*, Linux...)
 php_search_libraries(
   inet_ntop
-  HAVE_INET_NTOP
   HEADERS
     arpa/inet.h
     ws2tcpip.h
@@ -625,6 +620,7 @@ php_search_libraries(
     resolv  # Solaris 2.6..7
     network # Haiku
     ws2_32  # Windows
+  VARIABLE HAVE_INET_NTOP
   TARGET php_configuration INTERFACE
 )
 if(NOT HAVE_INET_NTOP)
@@ -634,7 +630,6 @@ endif()
 # The inet_pton() is mostly in C library (Solaris 11.4, illumos...)
 php_search_libraries(
   inet_pton
-  HAVE_INET_PTON
   HEADERS
     arpa/inet.h
     ws2tcpip.h
@@ -643,13 +638,13 @@ php_search_libraries(
     resolv  # Solaris 2.6..7
     network # Haiku
     ws2_32  # Windows
+  VARIABLE HAVE_INET_PTON
   TARGET php_configuration INTERFACE
 )
 
 # The inet_aton() is mostly in C library (Solaris 11.4, illumos...)
 php_search_libraries(
   inet_aton
-  HAVE_INET_ATON
   HEADERS
     sys/socket.h
     netinet/in.h
@@ -658,24 +653,24 @@ php_search_libraries(
     nsl     # Solaris <= 11.3
     resolv  # Solaris 2.6..7
     network # Haiku
+  VARIABLE HAVE_INET_ATON
   TARGET php_configuration INTERFACE
 )
 
 # The nanosleep is mostly in C library (Solaris 11, illumos...)
 php_search_libraries(
   nanosleep
-  HAVE_NANOSLEEP
   HEADERS
     time.h
   LIBRARIES
     rt # Solaris <= 10
+  VARIABLE HAVE_NANOSLEEP
   TARGET php_configuration INTERFACE
 )
 
 # The setsockopt() is mostly in C library (Solaris 11.4...)
 php_search_libraries(
   setsockopt
-  HAVE_SETSOCKOPT
   HEADERS
     sys/types.h
     sys/socket.h
@@ -690,81 +685,81 @@ php_search_libraries(
 # The gai_strerror() is mostly in C library (Solaris 11.4...)
 php_search_libraries(
   gai_strerror
-  HAVE_GAI_STRERROR
   HEADERS netdb.h
   LIBRARIES
     socket  # Solaris <= 11.3, illumos
     network # Haiku
+  VARIABLE HAVE_GAI_STRERROR
   TARGET php_configuration INTERFACE
 )
 
 # The getprotobyname() is mostly in C library (Solaris 11.4...)
 php_search_libraries(
   getprotobyname
-  HAVE_GETPROTOBYNAME
   HEADERS
     netdb.h
     winsock.h
   LIBRARIES
     socket  # Solaris <= 11.3, illumos
     network # Haiku
     ws2_32  # Windows
+  VARIABLE HAVE_GETPROTOBYNAME
   TARGET php_configuration INTERFACE
 )
 
 # The getprotobynumber() is mostly in C library (Solaris 11.4...)
 php_search_libraries(
   getprotobynumber
-  HAVE_GETPROTOBYNUMBER
   HEADERS
     netdb.h
     winsock.h
   LIBRARIES
     socket  # Solaris <= 11.3, illumos
     network # Haiku
     ws2_32  # Windows
+  VARIABLE HAVE_GETPROTOBYNUMBER
   TARGET php_configuration INTERFACE
 )
 
 # The getservbyname() is mostly in C library (Solaris 11.4...)
 php_search_libraries(
   getservbyname
-  HAVE_GETSERVBYNAME
   HEADERS
     netdb.h
     winsock.h
   LIBRARIES
     socket  # Solaris <= 11.3, illumos
     network # Haiku
     ws2_32  # Windows
+  VARIABLE HAVE_GETSERVBYNAME
   TARGET php_configuration INTERFACE
 )
 
 # The getservbyport() is mostly in C library (Solaris 11.4...)
 php_search_libraries(
   getservbyport
-  HAVE_GETSERVBYPORT
   HEADERS
     netdb.h
     winsock.h
   LIBRARIES
     socket  # Solaris <= 11.3, illumos
     network # Haiku
     ws2_32  # Windows
+  VARIABLE HAVE_GETSERVBYPORT
   TARGET php_configuration INTERFACE
 )
 
 # The shutdown() is mostly in C library (Solaris 11.4...)
 php_search_libraries(
   shutdown
-  HAVE_SHUTDOWN
   HEADERS
     sys/socket.h
     winsock.h
   LIBRARIES
     socket  # Solaris <= 11.3, illumos
     network # Haiku
     ws2_32  # Windows
+  VARIABLE HAVE_SHUTDOWN
   TARGET php_configuration INTERFACE
 )
 

cmake/cmake/modules/FindACL.cmake

@@ -1,4 +1,6 @@
 #[=============================================================================[
+# FindACL
+
 Find the ACL library.
 
 Module defines the following `IMPORTED` target(s):

cmake/cmake/modules/FindApache.cmake

@@ -1,4 +1,6 @@
 #[=============================================================================[
+# FindApache
+
 Find the Apache packages and tools.
 
 The Apache development package usually contains Apache header files, the `apr`

cmake/cmake/modules/FindAppArmor.cmake

@@ -1,4 +1,6 @@
 #[=============================================================================[
+# FindAppArmor
+
 Find the AppArmor library.
 
 Module defines the following `IMPORTED` target(s):

cmake/cmake/modules/FindArgon2.cmake

@@ -1,4 +1,6 @@
 #[=============================================================================[
+# FindArgon2
+
 Find the Argon2 library.
 
 Module defines the following `IMPORTED` target(s):

cmake/cmake/modules/FindAspell.cmake

@@ -1,4 +1,6 @@
 #[=============================================================================[
+# FindAspell
+
 Find the GNU Aspell library.
 
 In the past, there was a pspell library, which has been superseded by GNU's

cmake/cmake/modules/FindAtomic.cmake

@@ -1,4 +1,6 @@
 #[=============================================================================[
+# FindAtomic
+
 Find the atomic instructions.
 
 Module defines the following `IMPORTED` target(s):

cmake/cmake/modules/FindBerkeleyDB.cmake

@@ -1,4 +1,6 @@
 #[=============================================================================[
+# FindBerkeleyDB
+
 Find the Berkeley DB library.
 
 Module defines the following `IMPORTED` target(s):

cmake/cmake/modules/FindCapstone.cmake

@@ -1,4 +1,6 @@
 #[=============================================================================[
+# FindCapstone
+
 Find the Capstone library.
 
 Module defines the following `IMPORTED` target(s):