GitHub/libevent
1
0
Fork 0
mirror of https://github.com/libevent/libevent.git synced 2025-01-31 09:12:55 +08:00
Code Issues Packages Projects Releases Wiki Activity

autotools: attempt to find OpenSSL via homebrew on macOS

Browse Source 
When compiling for macOS, where users will likely have OpenSSL installed
via brew, rather than available on the system, use brew  --prefix to
figure out where OpenSSL is, and then augment the pkg-config path so
that libs are found.
This commit is contained in:
fanquake 2020-07-07 14:58:29 +08:00 committed by Azat Khuzhin
parent 8d21ddcf4b
commit 72d877a2c2
1 changed files with 33 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
m4/libevent_openssl.m4
View File

@ -3,6 +3,33 @@ dnl OpenSSL support
AC_DEFUN([LIBEVENT_OPENSSL], [
AC_REQUIRE([NTP_PKG_CONFIG])dnl
case "$host_os" in
darwin*)
dnl when compiling for Darwin, attempt to find OpenSSL using brew.
dnl We append the location given by brew to PKG_CONFIG_PATH path
dnl and then export it, so that it can be used in detection below.
AC_CHECK_PROG([BREW],brew, brew)
if test x$BREW = xbrew; then
openssl_prefix=$($BREW --prefix openssl 2>/dev/null)
if test x$openssl_prefix != x; then
OPENSSL_LIBS=`$PKG_CONFIG --libs openssl 2>/dev/null`
case "$OPENSSL_LIBS" in
dnl only if openssl is not in PKG_CONFIG_PATH already
'')
if test x$PKG_CONFIG_PATH != x; then
PKG_CONFIG_PATH="$PKG_CONFIG_PATH:"
fi
OPENSSL_PKG_CONFIG="$openssl_prefix/lib/pkgconfig"
PKG_CONFIG_PATH="$PKG_CONFIG_PATH$OPENSSL_PKG_CONFIG"
export PKG_CONFIG_PATH
AC_MSG_NOTICE([PKG_CONFIG_PATH has been set to $PKG_CONFIG_PATH (added openssl from brew)])
;;
esac
fi
fi
;;
esac
case "$enable_openssl" in
yes)
have_openssl=no
@ -27,7 +54,7 @@ case "$enable_openssl" in
LIBS=""
OPENSSL_LIBS=""
for lib in crypto eay32; do
# clear cache
dnl clear cache
unset ac_cv_search_SSL_new
AC_SEARCH_LIBS([SSL_new], [ssl ssl32],
[have_openssl=yes
@ -47,15 +74,15 @@ case "$enable_openssl" in
AC_SUBST(OPENSSL_LIBS)
case "$have_openssl" in
yes) AC_DEFINE(HAVE_OPENSSL, 1, [Define if the system has openssl]) ;;
*) AC_MSG_ERROR([openssl is a must but can not be found. You should add the \
directory containing `openssl.pc' to the `PKG_CONFIG_PATH' environment variable, \
or set `CFLAGS' and `LDFLAGS' directly for openssl, or use `--disable-openssl' \
to disable support for openssl encryption])
*) AC_MSG_ERROR([OpenSSL could not be found. You should add the directory \
containing 'openssl.pc' to the 'PKG_CONFIG_PATH' environment variable, set \
'CFLAGS' and 'LDFLAGS' directly, or use '--disable-openssl' to disable \
support for OpenSSL encryption])
;;
esac
;;
esac
# check if we have and should use openssl
dnl check if we have and should use OpenSSL
AM_CONDITIONAL(OPENSSL, [test "$enable_openssl" != "no" && test "$have_openssl" = "yes"])
])