Fix condition of arc4random* and getentropy for Cygwin build

- Fix the condition of exporting getentropy
- Modify the CMake condition of including arc4random_uniform as same as autoconf

2 files changed, 6 insertions, 13 deletions

diff --git a/crypto/CMakeLists.txt b/crypto/CMakeLists.txt
index 41dc37b..6388cb0 100644
--- a/crypto/CMakeLists.txt
+++ b/crypto/CMakeLists.txt
@@ -736,8 +736,10 @@ endif()
 
 if(NOT HAVE_ARC4RANDOM_BUF)
         set(CRYPTO_SRC ${CRYPTO_SRC} compat/arc4random.c)
+        set(CRYPTO_SRC ${CRYPTO_SRC} compat/arc4random_uniform.c)
         set(EXTRA_EXPORT ${EXTRA_EXPORT} arc4random)
         set(EXTRA_EXPORT ${EXTRA_EXPORT} arc4random_buf)
+        set(EXTRA_EXPORT ${EXTRA_EXPORT} arc4random_uniform)
 
         if(NOT HAVE_GETENTROPY)
                 if(CMAKE_HOST_WIN32)
@@ -761,11 +763,6 @@ if(NOT HAVE_ARC4RANDOM_BUF)
         endif()
 endif()
 
-if(NOT HAVE_ARC4RANDOM_UNIFORM)
-        set(CRYPTO_SRC ${CRYPTO_SRC} compat/arc4random_uniform.c)
-        set(EXTRA_EXPORT ${EXTRA_EXPORT} arc4random_uniform)
-endif()
-
 if(NOT HAVE_TIMINGSAFE_BCMP)
         set(CRYPTO_SRC ${CRYPTO_SRC} compat/timingsafe_bcmp.c)
         set(EXTRA_EXPORT ${EXTRA_EXPORT} timingsafe_bcmp)
diff --git a/m4/check-libc.m4 b/m4/check-libc.m4
index c66364e..53ffce6 100644
--- a/m4/check-libc.m4
+++ b/m4/check-libc.m4
@@ -152,14 +152,13 @@ echo "generating $crypto_p_sym ..."
 chmod u+w $srcdir/crypto
 cp $crypto_sym $crypto_p_sym
 chmod u+w $crypto_p_sym
-if test "x$ac_cv_func_arc4random" = "xno" ; then
-        echo arc4random >> $crypto_p_sym
-fi
 if test "x$ac_cv_func_arc4random_buf" = "xno" ; then
+        echo arc4random >> $crypto_p_sym
         echo arc4random_buf >> $crypto_p_sym
-fi
-if test "x$ac_cv_func_arc4random_uniform" = "xno" ; then
         echo arc4random_uniform >> $crypto_p_sym
+        if test "x$ac_cv_func_getentropy" = "xno" ; then
+                echo getentropy >> $crypto_p_sym
+        fi
 fi
 if test "x$ac_cv_func_asprintf" = "xno" ; then
         echo asprintf >> $crypto_p_sym
@@ -168,9 +167,6 @@ fi
 if test "x$ac_cv_func_explicit_bzero" = "xno" ; then
         echo explicit_bzero >> $crypto_p_sym
 fi
-if test "x$ac_cv_func_getentropy" = "xno" ; then
-        echo getentropy >> $crypto_p_sym
-fi
 if test "x$ac_cv_func_inet_pton" = "xno" ; then
         echo inet_pton >> $crypto_p_sym
 fi