move ftruncate to common libcompat for tests

CMakeLists.txt

@@ -226,6 +226,11 @@ if(HAVE_ASPRINTF)
 	add_definitions(-DHAVE_ASPRINTF)
 endif()
 
+check_symbol_exists(ftruncate "unistd.h" HAVE_FTRUNCATE)
+if(HAVE_FTRUNCATE)
+	add_definitions(-DHAVE_FTRUNCATE)
+endif()
+
 check_symbol_exists(getdelim "stdio.h" HAVE_GETDELIM)
 if(HAVE_GETDELIM)
 	add_definitions(-DHAVE_GETDELIM)

crypto/CMakeLists.txt

@@ -624,6 +624,10 @@ if(NOT HAVE_FREEZERO)
 	set(COMPAT_SRC ${COMPAT_SRC} compat/freezero.c)
 endif()
 
+if(NOT HAVE_FTRUNCATE)
+	set(COMPAT_SRC ${COMPAT_SRC} compat/ftruncate.c)
+endif()
+
 if(NOT HAVE_GETDELIM)
 	set(COMPAT_SRC ${COMPAT_SRC} compat/getdelim.c)
 endif()

crypto/Makefile.am

@@ -148,6 +148,10 @@ if !HAVE_FREEZERO
 libcompat_la_SOURCES += compat/freezero.c
 endif
 
+if !HAVE_FTRUNCATE
+libcompat_la_SOURCES += compat/ftruncate.c
+endif
+
 if !HAVE_GETDELIM
 libcompat_la_SOURCES += compat/getdelim.c
 endif

m4/check-libc.m4

@@ -22,7 +22,7 @@ AC_CHECK_HEADERS([netinet/ip.h], [], [],
 ])
 AC_HEADER_RESOLV
 # Check for general libc functions
-AC_CHECK_FUNCS([asprintf freezero getdelim getline memmem])
+AC_CHECK_FUNCS([asprintf freezero ftruncate getdelim getline memmem])
 AC_CHECK_FUNCS([readpassphrase reallocarray recallocarray])
 AC_CHECK_FUNCS([strcasecmp strlcat strlcpy strndup strnlen strsep strtonum])
 AC_CHECK_FUNCS([timegm _mkgmtime timespecsub])
@@ -39,6 +39,7 @@ AC_CACHE_CHECK([for getpagesize], ac_cv_func_getpagesize, [
 ])
 AM_CONDITIONAL([HAVE_ASPRINTF], [test "x$ac_cv_func_asprintf" = xyes])
 AM_CONDITIONAL([HAVE_FREEZERO], [test "x$ac_cv_func_freezero" = xyes])
+AM_CONDITIONAL([HAVE_FTRUNCATE], [test "x$ac_cv_func_ftruncate" = xyes])
 AM_CONDITIONAL([HAVE_GETDELIM], [test "x$ac_cv_func_getdelim" = xyes])
 AM_CONDITIONAL([HAVE_GETLINE], [test "x$ac_cv_func_getline" = xyes])
 AM_CONDITIONAL([HAVE_GETPAGESIZE], [test "x$ac_cv_func_getpagesize" = xyes])

tls/CMakeLists.txt

@@ -37,7 +37,6 @@ if(WIN32)
 		${TLS_SRC}
 	)
 
-	set(TLS_COMPAT_SRC ${TLS_COMPAT_SRC} compat/ftruncate.c)
 	set(TLS_COMPAT_SRC ${TLS_COMPAT_SRC} compat/pread.c)
 	set(TLS_COMPAT_SRC ${TLS_COMPAT_SRC} compat/pwrite.c)
 endif()

tls/Makefile.am

@@ -70,7 +70,6 @@ libtls_la_SOURCES += tls_verify.c
 noinst_HEADERS = tls_internal.h
 
 if HOST_WIN
-libtls_la_SOURCES += compat/ftruncate.c
 libtls_la_SOURCES += compat/pread.c
 libtls_la_SOURCES += compat/pwrite.c
 endif