Some systems such as Windows lack libgen.h so provide a
basename() implementation for cross-platform use.
This introduces the NO_LIBGEN_H construct to the Makefile
and autoconf scripts.
Signed-off-by: David Aguilar <davvid@xxxxxxxxx>
---
Makefile | 8 ++++++++
compat/basename.c | 15 +++++++++++++++
config.mak.in | 1 +
configure.ac | 6 ++++++
git-compat-util.h | 7 +++++++
5 files changed, 37 insertions(+), 0 deletions(-)
create mode 100644 compat/basename.c
diff --git a/Makefile b/Makefile
index a70b5f0..a59f106 100644
--- a/Makefile
+++ b/Makefile
@@ -54,6 +54,8 @@ all::
#
# Define NO_MKSTEMPS if you don't have mkstemps in the C library.
#
+# Define NO_LIBGEN_H if you don't have libgen.h.
+#
# Define NO_SYS_SELECT_H if you don't have sys/select.h.
#
# Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link.
@@ -834,6 +836,7 @@ ifneq (,$(findstring MINGW,$(uname_S)))
NO_PREAD = YesPlease
NO_OPENSSL = YesPlease
NO_CURL = YesPlease
+ NO_LIBGEN_H = YesPlease
NO_SYMLINK_HEAD = YesPlease
NO_IPV6 = YesPlease
NO_SETENV = YesPlease
@@ -899,6 +902,11 @@ ifndef CC_LD_DYNPATH
endif
endif
+ifdef NO_LIBGEN_H
+ COMPAT_CFLAGS += -DNO_LIBGEN_H
+ COMPAT_OBJS += compat/basename.o
+endif
+
ifdef NO_CURL
BASIC_CFLAGS += -DNO_CURL
else
diff --git a/compat/basename.c b/compat/basename.c
new file mode 100644
index 0000000..d8f8a3c
--- /dev/null
+++ b/compat/basename.c
@@ -0,0 +1,15 @@
+#include "../git-compat-util.h"
+
+/* Adapted from libiberty's basename.c. */
+char *gitbasename (char *path)
+{
+ const char *base;
+ /* Skip over the disk name in MSDOS pathnames. */
+ if (has_dos_drive_prefix(path))
+ path += 2;
+ for (base = path; *path; path++) {
+ if (is_dir_sep(*path))
+ base = path + 1;
+ }
+ return (char *)base;
+}
diff --git a/config.mak.in b/config.mak.in
index b6619af..e8d96e8 100644
--- a/config.mak.in
+++ b/config.mak.in
@@ -30,6 +30,7 @@ NEEDS_SSL_WITH_CRYPTO=@NEEDS_SSL_WITH_CRYPTO@
NO_OPENSSL=@NO_OPENSSL@
NO_CURL=@NO_CURL@
NO_EXPAT=@NO_EXPAT@
+NO_LIBGEN_H=@NO_LIBGEN_H@
NEEDS_LIBICONV=@NEEDS_LIBICONV@
NEEDS_SOCKET=@NEEDS_SOCKET@
NO_SYS_SELECT_H=@NO_SYS_SELECT_H@
diff --git a/configure.ac b/configure.ac
index 953da07..108a97f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -627,6 +627,12 @@ AC_SUBST(SNPRINTF_RETURNS_BOGUS)
## (in default C library and libraries checked by AC_CHECK_LIB)
AC_MSG_NOTICE([CHECKS for library functions])
#
+# Define NO_LIBGEN_H if you don't have libgen.h.
+AC_CHECK_HEADER([libgen.h],
+[NO_LIBGEN_H=],
+[NO_LIBGEN_H=YesPlease])
+AC_SUBST(NO_LIBGEN_H)
+#
# Define NO_STRCASESTR if you don't have strcasestr.
GIT_CHECK_FUNC(strcasestr,
[NO_STRCASESTR=],
diff --git a/git-compat-util.h b/git-compat-util.h
index 5a2d4e7..d248047 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -97,6 +97,13 @@
#include "compat/mingw.h"
#endif /* __MINGW32__ */
+#ifndef NO_LIBGEN_H
+#include <libgen.h>
+#else
+#define basename gitbasename
+extern char *gitbasename(char *);
+#endif
+
#ifndef NO_ICONV
#include <iconv.h>
#endif
--
1.6.1.3
--
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