[PATCH] Configure test for FREAD_READS_DIRECTORIES
From: Michal Rokos <hidden>
Date: 2016-06-15 22:44:20
Subsystem:
kernel build + files below scripts/ (unless maintained elsewhere), the rest · Maintainers:
Nathan Chancellor, Nicolas Schier, Linus Torvalds
Hello, this patch adds missing tests for FREAD_READS_DIRECTORIES. Signed-off-by: Michal Rokos <redacted>
diff --git a/Makefile b/Makefile
index ca5aad9..344ab49 100644
--- a/Makefile
+++ b/Makefile@@ -526,6 +526,7 @@ ifeq ($(uname_S),HP-UX) NO_UNSETENV = YesPlease NO_HSTRERROR = YesPlease NO_SYS_SELECT_H = YesPlease + FREAD_READS_DIRECTORIES = UnfortunatelyYes endif ifneq (,$(findstring arm,$(uname_M))) ARM_SHA1 = YesPlease
diff --git a/config.mak.in b/config.mak.in
index ee6c33d..516c468 100644
--- a/config.mak.in
+++ b/config.mak.in@@ -46,3 +46,4 @@ NO_MKDTEMP=@NO_MKDTEMP@ NO_ICONV=@NO_ICONV@ OLD_ICONV=@OLD_ICONV@ NO_DEFLATE_BOUND=@NO_DEFLATE_BOUND@ +FREAD_READS_DIRECTORIES=@FREAD_READS_DIRECTORIES@
diff --git a/configure.ac b/configure.ac
index 85d7ef5..0ac28f6 100644
--- a/configure.ac
+++ b/configure.ac@@ -326,6 +326,27 @@ else NO_C99_FORMAT= fi AC_SUBST(NO_C99_FORMAT) +# +# Define FREAD_READS_DIRECTORIES if your are on a system which succeeds +# when attempting to read from an fopen'ed directory. +AC_CACHE_CHECK([whether system succeeds to read fopen'ed directory], + [ac_cv_fread_reads_directories], +[ +AC_RUN_IFELSE( + [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], + [[char c; + FILE *f = fopen("/etc", "r"); + if (! f) return 0; + if (f && fread(&c, 1, 1, f) > 0) return 1]])], + [ac_cv_fread_reads_directories=no], + [ac_cv_fread_reads_directories=yes]) +]) +if test $ac_cv_fread_reads_directories = yes; then + FREAD_READS_DIRECTORIES=UnfortunatelyYes +else + FREAD_READS_DIRECTORIES= +fi +AC_SUBST(FREAD_READS_DIRECTORIES) ## Checks for library functions.