From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yann E. MORIN Date: Sun, 13 May 2018 22:48:59 +0200 Subject: [Buildroot] [PATCH 2/2] clamav: add patch to fix build failure caused by lack of libcurl In-Reply-To: <20180507212031.31337-2-thomas.petazzoni@bootlin.com> References: <20180507212031.31337-1-thomas.petazzoni@bootlin.com> <20180507212031.31337-2-thomas.petazzoni@bootlin.com> Message-ID: <20180513204859.GO22130@scaer> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net Thomas, All, On 2018-05-07 23:20 +0200, Thomas Petazzoni spake thusly: > When json-c is enabled but libcurl is disabled, clamav tries to build > the clamsubmit program, which fails with: > > CC clamsubmit.o > clamsubmit.c:6:23: fatal error: curl/curl.h: No such file or directory > #include > > This is due to an incorrect curl-config detection logic, leading to > /bin/curl-config being present making the configure script believe > that curl is available, even when --without-libcurl is explicitly > passed. > > This commit adds a patch, submitted upstream, which fixes this > problem. > > Fixes: > > http://autobuild.buildroot.net/results/c43d2ebd8ab30016969d642dbd71c297dc5f6bab/ > > Signed-off-by: Thomas Petazzoni I had a bit of a trouble understanding what was going on, but now I see and the fix indeed does make sense. Reviewed-by: "Yann E. MORIN" Regards, Yann E. MORIN. > --- > ...zation-libs-curl.m4-fix-curl-config-detec.patch | 75 ++++++++++++++++++++++ > package/clamav/clamav.mk | 2 + > 2 files changed, 77 insertions(+) > create mode 100644 package/clamav/0003-m4-reorganization-libs-curl.m4-fix-curl-config-detec.patch > > diff --git a/package/clamav/0003-m4-reorganization-libs-curl.m4-fix-curl-config-detec.patch b/package/clamav/0003-m4-reorganization-libs-curl.m4-fix-curl-config-detec.patch > new file mode 100644 > index 0000000000..1d26b099b9 > --- /dev/null > +++ b/package/clamav/0003-m4-reorganization-libs-curl.m4-fix-curl-config-detec.patch > @@ -0,0 +1,75 @@ > +From 6b6ff53b5931c162be13504a1efc53fc5212f9d1 Mon Sep 17 00:00:00 2001 > +From: Thomas Petazzoni > +Date: Mon, 7 May 2018 22:57:34 +0200 > +Subject: [PATCH] m4/reorganization/libs/curl.m4: fix curl-config detection > + logic > + > +The current logic in curl.m4 doesn't behave properly when > +--without-libcurl is passed to the ./configure script. > + > +Indeed, in this case what happens is that: > + > + (1) Since --without-libcurl is passed, LIBCURL_HOME is set to nothing > + > + (2) find_curl is set to "no" > + > + (3) Due to find_curl being "no", LIBCURL_HOME is not set to > + /usr/local and remains empty > + > + (4) We test if $LIBCURL_HOME/bin/curl_config exists, which is > + equivalent to testing if /bin/curl-config exists. So curl.m4 is > + looking at /bin/curl-config, which is irrelevant in a > + cross-compilation context: it is not because the build machine > + has libcurl installed that it is available for the target. > + > + Due to this mistake, it sets have_curl="yes" > + > +Due to this, the ./configure script assumes it can build the > +clamsubmit program, which fails at build time because curl/curl.h > +doesn't exist. > + > +To fix this, this commit rewrites the curl-config detection logic with > +a simpler loop. If find_curl=yes, it means we have to find libcurl > +ourselves, so we iterate over /usr/local and /usr, and check if a > +bin/curl-config binary is available there. If so, we use this path as > +LIBCURL_HOME and set have_curl="yes". > + > +This preserves the existing behavior, while fixing the situation where > +--without-libcurl is passed, but /bin/curl-config exists. > + > +Signed-off-by: Thomas Petazzoni > +Upstream-status: https://github.com/Cisco-Talos/clamav-devel/pull/87 > +--- > + m4/reorganization/libs/curl.m4 | 15 +++++---------- > + 1 file changed, 5 insertions(+), 10 deletions(-) > + > +diff --git a/m4/reorganization/libs/curl.m4 b/m4/reorganization/libs/curl.m4 > +index 2a5966ee7..b6a9c2137 100644 > +--- a/m4/reorganization/libs/curl.m4 > ++++ b/m4/reorganization/libs/curl.m4 > +@@ -19,17 +19,12 @@ fi > + [find_curl="yes"]) > + > + if test "X$find_curl" = "Xyes"; then > +- LIBCURL_HOME=/usr/local > +-fi > +-if test -f "$LIBCURL_HOME/bin/curl-config"; then > +- have_curl="yes" > +-else > +- if test "X$find_curl" = "Xyes"; then > +- LIBCURL_HOME=/usr > +- if test -f "$LIBCURL_HOME/bin/curl-config"; then > +- have_curl="yes" > ++ for p in /usr/local /usr ; do > ++ if test -f "${p}/bin/curl-config"; then > ++ LIBCURL_HOME=$p > ++ have_curl="yes" > + fi > +- fi > ++ done > + fi > + > + if test "X$have_curl" = "Xyes"; then > +-- > +2.14.3 > + > diff --git a/package/clamav/clamav.mk b/package/clamav/clamav.mk > index 2711ca2a86..c0138a8944 100644 > --- a/package/clamav/clamav.mk > +++ b/package/clamav/clamav.mk > @@ -16,6 +16,8 @@ CLAMAV_DEPENDENCIES = \ > openssl \ > zlib \ > $(TARGET_NLS_DEPENDENCIES) > +# 0003-m4-reorganization-libs-curl.m4-fix-curl-config-detec.patch > +CLAMAV_AUTORECONF = YES > > # mmap cannot be detected when cross-compiling, needed for mempool support > CLAMAV_CONF_ENV = \ > -- > 2.14.3 > > _______________________________________________ > buildroot mailing list > buildroot at busybox.net > http://lists.busybox.net/mailman/listinfo/buildroot -- .-----------------.--------------------.------------------.--------------------. | Yann E. MORIN | Real-Time Embedded | /"\ ASCII RIBBON | Erics' conspiracy: | | +33 662 376 056 | Software Designer | \ / CAMPAIGN | ___ | | +33 223 225 172 `------------.-------: X AGAINST | \e/ There is no | | http://ymorin.is-a-geek.org/ | _/*\_ | / \ HTML MAIL | v conspiracy. | '------------------------------^-------^------------------^--------------------'