curl-config - Linux
Overview
curl-config is a command-line tool that provides information about the installed libcurl library. It is primarily used for configuring and compiling applications that depend on libcurl.
Syntax
curl-config [options]
Options/Flags
- –cflags: Outputs the C compiler flags required to build applications against libcurl.
- –libs: Outputs the linker flags required to link applications with libcurl.
- –prefix: Specifies the installation prefix of libcurl. Defaults to
/usr/local
. - –includedir: Specifies the directory containing the libcurl header files. Defaults to
${prefix}/include
. - –libdir: Specifies the directory containing the libcurl libraries. Defaults to
${prefix}/lib
. - –version: Outputs the libcurl version.
- –help: Outputs the help message.
Examples
Get the C compiler flags for building with libcurl:
curl-config --cflags
Get the linker flags for linking with libcurl:
curl-config --libs
Get the installation prefix of libcurl:
curl-config --prefix
Common Issues
- Missing installation prefix: If libcurl was installed using a package manager, the installation prefix might not be set correctly. This can be resolved by re-installing libcurl with the
--prefix
option. - Conflicting libcurl versions: If multiple versions of libcurl are installed, the correct version might not be selected. This can be resolved by setting the
LD_LIBRARY_PATH
environment variable to point to the desired libcurl version.
Integration
curl-config can be integrated with other tools to automate tasks related to libcurl. For example, it can be used with pkg-config
to generate build scripts or with make
to compile and link applications.