https://bugs.llvm.org/show_bug.cgi?id=44179
Bug ID: 44179
Summary: llvm-config --system-libs prints entire libxml2 path
Product: new-bugs
Version: trunk
Hardware: PC
OS: All
Status: NEW
Keywords: regression
Severity: enhancement
Priority: P
Component: new bugs
Assignee: unassignedb...@nondot.org
Reporter: v...@freedesktop.org
CC: compn...@compnerd.org, htmldevelo...@gmail.com,
llvm-bugs@lists.llvm.org
llvm-config --system-libs now prints the entire libxml2 path.
Before
$ llvm-config --system-libs
-lz -lrt -ldl -ltinfo -lpthread -lm -lxml2
Now
$ llvm-config --system-libs
-lz -lrt -ldl -ltinfo -lpthread -lm -l/usr/lib/x86_64-linux-gnu/libxml2.so
This leads to linking errors if depending on llvm-config --system-libs during
compilation.
/usr/bin/ld: cannot find -l/usr/lib/x86_64-linux-gnu/libxml2
This new behavior is introduced with these llvm-10 commits.
commit cfcfd8a056eb7c01bc76b745ce9f7839f0dcbc42
Author: Saleem Abdulrasool <compn...@compnerd.org>
Date: Wed Nov 27 12:55:46 2019 -0800
build: avoid cached literals being linked against
If the value of the LibXml2 search is cached, it can cause an errant
link against LIBXML2_LIBRARIES-NOTFOUND if libxml2 is not found. Add
a guard against this. Should repair the build bots.
commit 340e7c0b77a7037afefe7255503afe362967b577
Author: Saleem Abdulrasool <compn...@compnerd.org>
Date: Wed Nov 27 12:34:36 2019 -0800
build: avoid hardcoding the libxml2 library name
FindLibXml2 will set the LIBXML2_LIBRARIES variable to the libraries that
we must link against. This will be an empty string if libxml2 is not
found. Avoid hardcoding the library name as xml2 in the configuration.
Simplify the usage in the WindowsManifest library.
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