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5.3 Files
You might also need to check for the existence of files. Before using these macros, ask yourself whether a runtime test might not be a better solution. Be aware that, like most Autoconf macros, they test a feature of the host machine, and therefore, they die when cross-compiling.
- Macro: AC_CHECK_FILE (file, [action-if-found] [action-if-not-found]
-
Check whether file file exists on the native system. If it is found, execute action-if-found, otherwise do action-if-not-found, if given. The result of this test is cached in the
ac_cv_file_file
variable, with characters not suitable for a variable name mapped to underscores.
- Macro: AC_CHECK_FILES (files, [action-if-found] [action-if-not-found]
-
Executes
AC_CHECK_FILE
once for each file listed in files. Additionally, defines ‘HAVE_file’ (see section Standard Symbols) for each file found. The results of each test are cached in theac_cv_file_file
variable, with characters not suitable for a variable name mapped to underscores.
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