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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"1.3.14: build fails with `-Wincompatible-pointer-types`","articleBody":"With latest glibc when compile is done with `-Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3`x in $CFLAGS some warnings are turned into errors.\r\n```console\r\n/usr/bin/gcc -Wno-unused-result -Wsign-compare -DDYNAMIC_ANNOTATIONS_ENABLED=1 -DNDEBUG -g -fwrapv -O3 -Wall -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -O2 -g -grecord-gcc-switches -pipe -mtls-dialect=gnu2 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -fdata-sections -ffunction-sections -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -flto=auto -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -Wall -Werror=format-security -D_GNU_SOURCE -fPIC -fwrapv -ffat-lto-objects -fno-semantic-interposition -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -O2 -g -grecord-gcc-switches -pipe -mtls-dialect=gnu2 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -fdata-sections -ffunction-sections -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -flto=auto -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -Wall -Werror=format-security -D_GNU_SOURCE -fPIC -fwrapv -ffat-lto-objects -fno-semantic-interposition -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -O2 -g -grecord-gcc-switches -pipe -mtls-dialect=gnu2 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -fdata-sections -ffunction-sections -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -flto=auto -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -Wall -Werror=format-security -fPIC -DXMLSEC_CRYPTO_DYNAMIC_LOADING=1 -D__XMLSEC_FUNCTION__=__func__ -DXMLSEC_NO_FTP=1 -DXMLSEC_NO_MD5=1 -DXMLSEC_NO_GOST=1 -DXMLSEC_NO_GOST2012=1 -DXMLSEC_DL_LIBLTDL=1 -DMODULE_NAME=xmlsec -DMODULE_VERSION=1.3.14 -I/usr/include/xmlsec1 -I/usr/include/libxml2 -I/usr/lib64/python3.10/site-packages/lxml/includes -I/usr/lib64/python3.10/site-packages/lxml -I/usr/lib64/python3.10/site-packages/lxml/includes/__pycache__ -I/usr/include/python3.10 -c /home/tkloczko/rpmbuild/BUILD/python-xmlsec-1.3.14/src/enc.c -o build/temp.linux-x86_64-cpython-310/home/tkloczko/rpmbuild/BUILD/python-xmlsec-1.3.14/src/enc.o -g -std=c99 -fPIC -fno-strict-aliasing -Wno-error=declaration-after-statement -Werror=implicit-function-declaration -Os\r\n/home/tkloczko/rpmbuild/BUILD/python-xmlsec-1.3.14/src/enc.c: In function ‘PyXmlSec_ClearReplacedNodes’:\r\n/home/tkloczko/rpmbuild/BUILD/python-xmlsec-1.3.14/src/enc.c:207:14: error: assignment to ‘struct LxmlElement **’ from incompatible pointer type ‘PyXmlSec_LxmlElementPtr’ {aka ‘struct LxmlElement *’} [-Wincompatible-pointer-types]\r\n  207 |         elem = PyXmlSec_elementFactory(doc, n);\r\n      |              ^\r\nerror: command '/usr/bin/gcc' failed with exit code 1\r\n```\r\n\r\n","author":{"url":"https://github.com/kloczek","@type":"Person","name":"kloczek"},"datePublished":"2024-05-25T12:17:16.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/323/python-xmlsec/issues/323"}