generate the crypto export symbol list at build time

we currently do it at configure time, which makes this a generated
source, but generated sources should be cleaned up, which breaks
'make clean; make'

3 files changed, 83 insertions, 100 deletions

diff --git a/configure.ac b/configure.ac
index 9fd7c2d..6f98b3e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -54,8 +54,6 @@ CHECK_CRYPTO_COMPAT
 CHECK_VA_COPY
 CHECK_B64_NTOP
 
-GENERATE_CRYPTO_PORTABLE_SYM
-
 AC_ARG_WITH([openssldir],
         AS_HELP_STRING([--with-openssldir],
                        [Set the default openssl directory]),
@@ -80,19 +78,15 @@ AC_TRY_COMPILE([#include "$srcdir/crypto/modes/modes_lcl.h"],
                BSWAP4=no)
 CFLAGS="$old_cflags"
 
-case $host_cpu in
-        *sparc*)
-                CPPFLAGS="$CPPFLAGS -D__STRICT_ALIGNMENT"
-                ;;
-        *arm*)
-                AS_IF([test "x$BSWAP4" = "xyes"],,
-                    CPPFLAGS="$CPPFLAGS -D__STRICT_ALIGNMENT")
-                ;;
-        *amd64*)
-                host_cpu=x86_64
-                ;;
-
-esac
+AS_CASE([$host_cpu],
+        [*sparc*], [CPPFLAGS="$CPPFLAGS -D__STRICT_ALIGNMENT"],
+        [*arm*], AS_IF([test "x$BSWAP4" = "xyes"],,
+                    CPPFLAGS="$CPPFLAGS -D__STRICT_ALIGNMENT"),
+        [*amd64*], [host_cpu=x86_64, HOSTARCH=intel],
+        [i?86], [HOSTARCH=intel],
+        [x86_64], [HOSTARCH=intel]
+)
+AM_CONDITIONAL([HOST_CPU_IS_INTEL], [test "x$HOSTARCH" = "xintel"])
 
 AC_MSG_CHECKING([if .gnu.warning accepts long strings])
 AC_LINK_IFELSE([AC_LANG_SOURCE([[
diff --git a/crypto/Makefile.am b/crypto/Makefile.am
index 701cd4a..046a623 100644
--- a/crypto/Makefile.am
+++ b/crypto/Makefile.am
@@ -18,6 +18,80 @@ EXTRA_DIST += compat/strcasecmp.c
 BUILT_SOURCES = crypto_portable.sym
 CLEANFILES = crypto_portable.sym
 
+crypto_portable.sym:
+        -echo "generating crypto_portable.sym ..."
+        -cp $(top_srcdir)/crypto/crypto.sym crypto_portable.sym
+        -chmod u+w crypto_portable.sym
+if !HAVE_ARC4RANDOM_BUF
+        -echo arc4random >> crypto_portable.sym
+        -echo arc4random_buf >> crypto_portable.sym
+        -echo arc4random_uniform >> crypto_portable.sym
+if !HAVE_GETENTROPY
+        -echo getentropy >> crypto_portable.sym
+endif
+endif
+if !HAVE_ASPRINTF
+        -echo asprintf >> crypto_portable.sym
+        -echo vasprintf >> crypto_portable.sym
+endif
+if !HAVE_EXPLICIT_BZERO
+        -echo explicit_bzero >> crypto_portable.sym
+endif
+if !HAVE_FREEZERO
+        -echo freezero >> crypto_portable.sym
+endif
+if !HAVE_INET_PTON
+        -echo inet_pton >> crypto_portable.sym
+endif
+if !HAVE_REALLOCARRAY
+        -echo reallocarray >> crypto_portable.sym
+endif
+if !HAVE_RECALLOCARRAY
+        -echo recallocarray >> crypto_portable.sym
+endif
+if !HAVE_STRLCAT
+        -echo strlcat >> crypto_portable.sym
+endif
+if !HAVE_STRLCPY
+        -echo strlcpy >> crypto_portable.sym
+endif
+if !HAVE_STRNDUP
+        -echo strndup >> crypto_portable.sym
+endif
+if !HAVE_STRNLEN
+        -echo strnlen >> crypto_portable.sym
+endif
+if !HAVE_STRSEP
+        -echo strsep >> crypto_portable.sym
+endif
+if !HAVE_TIMEGM
+        -echo timegm >> crypto_portable.sym
+endif
+if !HAVE_TIMINGSAFE_BCMP
+        -echo timingsafe_bcmp >> crypto_portable.sym
+endif
+if !HAVE_TIMINGSAFE_MEMCMP
+        -echo timingsafe_memcmp >> crypto_portable.sym
+endif
+if HOST_CPU_IS_INTEL
+        -echo OPENSSL_ia32cap_P >> crypto_portable.sym
+endif
+if HOST_WIN
+        -echo posix_perror >> crypto_portable.sym
+        -echo posix_fopen >> crypto_portable.sym
+        -echo posix_fgets >> crypto_portable.sym
+        -echo posix_open >> crypto_portable.sym
+        -echo posix_rename >> crypto_portable.sym
+        -echo posix_connect >> crypto_portable.sym
+        -echo posix_close >> crypto_portable.sym
+        -echo posix_read >> crypto_portable.sym
+        -echo posix_write >> crypto_portable.sym
+        -echo posix_getsockopt >> crypto_portable.sym
+        -echo posix_setsockopt >> crypto_portable.sym
+        -grep -v BIO_s_log crypto_portable.sym > crypto_portable.sym.tmp
+        -mv crypto_portable.sym.tmp crypto_portable.sym
+endif
+
 libcrypto_la_LDFLAGS = -version-info @LIBCRYPTO_VERSION@ -no-undefined -export-symbols crypto_portable.sym
 libcrypto_la_LIBADD = libcompat.la
 if !HAVE_EXPLICIT_BZERO
diff --git a/m4/check-libc.m4 b/m4/check-libc.m4
index 0b7ffb0..b1b5ef4 100644
--- a/m4/check-libc.m4
+++ b/m4/check-libc.m4
@@ -148,88 +148,3 @@ if test "x$ac_cv_have___va_copy" = "xyes" ; then
         AC_DEFINE([HAVE___VA_COPY], [1], [Define if __va_copy exists])
 fi
 ])
-
-AC_DEFUN([GENERATE_CRYPTO_PORTABLE_SYM], [
-AS_CASE([$host_cpu],
-        [i?86], [HOSTARCH=intel],
-        [x86_64], [HOSTARCH=intel],
-        [amd64], [HOSTARCH=intel],
-)
-AC_SUBST([HOSTARCH])
-crypto_sym=$srcdir/crypto/crypto.sym
-crypto_p_sym=./crypto/crypto_portable.sym
-echo "generating $crypto_p_sym ..."
-mkdir -p ./crypto
-cp $crypto_sym $crypto_p_sym
-chmod u+w $crypto_p_sym
-if test "x$ac_cv_func_arc4random_buf" = "xno" ; then
-        echo arc4random >> $crypto_p_sym
-        echo arc4random_buf >> $crypto_p_sym
-        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
-        echo vasprintf >> $crypto_p_sym
-fi
-if test "x$ac_cv_func_explicit_bzero" = "xno" ; then
-        echo explicit_bzero >> $crypto_p_sym
-fi
-if test "x$ac_cv_func_freezero" = "xno" ; then
-        echo freezero >> $crypto_p_sym
-fi
-if test "x$ac_cv_func_inet_pton" = "xno" ; then
-        echo inet_pton >> $crypto_p_sym
-fi
-if test "x$ac_cv_func_reallocarray" = "xno" ; then
-        echo reallocarray >> $crypto_p_sym
-fi
-if test "x$ac_cv_func_recallocarray" = "xno" ; then
-        echo recallocarray >> $crypto_p_sym
-fi
-if test "x$ac_cv_func_strlcat" = "xno" ; then
-        echo strlcat >> $crypto_p_sym
-fi
-if test "x$ac_cv_func_strlcpy" = "xno" ; then
-        echo strlcpy >> $crypto_p_sym
-fi
-if test "x$ac_cv_func_strndup" = "xno" ; then
-        echo strndup >> $crypto_p_sym
-fi
-if test "x$ac_cv_func_strnlen" = "xno" ; then
-        echo strnlen >> $crypto_p_sym
-fi
-if test "x$ac_cv_func_strsep" = "xno" ; then
-        echo strsep >> $crypto_p_sym
-fi
-if test "x$ac_cv_func_timegm" = "xno" ; then
-        echo timegm >> $crypto_p_sym
-fi
-if test "x$ac_cv_func_timingsafe_bcmp" = "xno" ; then
-        echo timingsafe_bcmp >> $crypto_p_sym
-fi
-if test "x$ac_cv_func_timingsafe_memcmp" = "xno" ; then
-        echo timingsafe_memcmp >> $crypto_p_sym
-fi
-if test "x$HOSTARCH" = "xintel" ; then
-        echo OPENSSL_ia32cap_P >> $crypto_p_sym
-fi
-if test "x$HOST_OS" = "xwin" ; then
-        echo posix_perror >> $crypto_p_sym
-        echo posix_fopen >> $crypto_p_sym
-        echo posix_fgets >> $crypto_p_sym
-        echo posix_open >> $crypto_p_sym
-        echo posix_rename >> $crypto_p_sym
-        echo posix_connect >> $crypto_p_sym
-        echo posix_close >> $crypto_p_sym
-        echo posix_read >> $crypto_p_sym
-        echo posix_write >> $crypto_p_sym
-        echo posix_getsockopt >> $crypto_p_sym
-        echo posix_setsockopt >> $crypto_p_sym
-
-        grep -v BIO_s_log $crypto_p_sym > $crypto_p_sym.tmp
-        mv $crypto_p_sym.tmp $crypto_p_sym
-fi
-])