diff options
Diffstat (limited to 'meson.build')
| -rw-r--r-- | meson.build | 56 |
1 files changed, 46 insertions, 10 deletions
diff --git a/meson.build b/meson.build index de5ba40c..ddef9fe2 100644 --- a/meson.build +++ b/meson.build @@ -42,13 +42,6 @@ m_dep = cc.find_library('m', required: false) # Platform Configuration # ########################## -platform_args = [] -if host_machine.system() in ['gnu', 'linux'] - platform_args += [ - '-D_POSIX_C_SOURCE=200809L', - ] -endif - # Use versioned name everywhere to support parallel major version installations if host_machine.system() == 'windows' if get_option('default_library') == 'both' @@ -59,6 +52,49 @@ else soversion = meson.project_version().split('.')[0] endif +# Request POSIX APIs from standard headers if necessary +system_c_args = [] +if host_machine.system() in ['cygwin', 'gnu', 'linux'] + system_c_args += ['-D_POSIX_C_SOURCE=200809L'] +endif + +# Build platform-specific configuration arguments +platform_c_args = [] +if get_option('checks').disabled() + # Generic build without platform-specific features + platform_c_args += ['-DSERD_NO_DEFAULT_CONFIG'] +elif get_option('checks').auto() + # Statically detect configuration from the build environment + platform_c_args += system_c_args +else + # Only use the features detected by the build system + platform_c_args += ['-DSERD_NO_DEFAULT_CONFIG'] + system_c_args + + # Define HAVE_SOMETHING symbols for all detected features + template = '#include <@0@>\nint main(void) { @1@; }' + if cc.links( + template.format('stdio.h', + 'return fileno(stdin);'), + args: system_c_args, + name: 'fileno') + platform_c_args += ['-DHAVE_FILENO'] + endif + if cc.links( + template.format('fcntl.h', + 'posix_fadvise(0, 0, 4096, POSIX_FADV_SEQUENTIAL))'), + args: system_c_args, + name: 'posix_fadvise') + platform_c_args += ['-DHAVE_POSIX_FADVISE'] + endif + if cc.links( + template.format('stdlib.h', + 'void* mem=NULL; posix_memalign(&mem, 8U, 8U);'), + args: system_c_args, + name: 'posix_memalign') + platform_c_args += ['-DHAVE_POSIX_MEMALIGN'] + endif +endif + ########### # Library # ########### @@ -92,10 +128,10 @@ endif libserd = library( versioned_name, sources, - c_args: c_suppressions + extra_c_args + platform_args + [ + c_args: [ '-DSERD_INTERNAL', '-DSERD_VERSION="@0@"'.format(meson.project_version()), - ], + ] + c_suppressions + extra_c_args + platform_c_args, dependencies: m_dep, gnu_symbol_visibility: 'hidden', include_directories: include_dirs, @@ -142,7 +178,7 @@ if not get_option('tools').disabled() serdi = executable( 'serdi', files('src/serdi.c'), - c_args: c_suppressions + platform_args, + c_args: c_suppressions + platform_c_args, dependencies: serd_dep, install: true, link_args: tool_link_args, |