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-rw-r--r--Makefile17
-rw-r--r--gettext.h24
-rw-r--r--git-compat-util.h4
3 files changed, 45 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index 7482a4dbab..be740010ea 100644
--- a/Makefile
+++ b/Makefile
@@ -339,6 +339,15 @@ all::
# return NULL when it receives a bogus time_t.
#
# Define HAVE_CLOCK_GETTIME if your platform has clock_gettime in librt.
+#
+# Define USE_PARENS_AROUND_GETTEXT_N to "yes" if your compiler happily
+# compiles the following initialization:
+#
+# static const char s[] = ("FOO");
+#
+# and define it to "no" if you need to remove the parentheses () around the
+# constant. The default is "auto", which means to use parentheses if your
+# compiler is detected to support it.
GIT-VERSION-FILE: FORCE
@$(SHELL_PATH) ./GIT-VERSION-GEN
@@ -946,6 +955,14 @@ ifneq (,$(SOCKLEN_T))
BASIC_CFLAGS += -Dsocklen_t=$(SOCKLEN_T)
endif
+ifeq (yes,$(USE_PARENS_AROUND_GETTEXT_N))
+ BASIC_CFLAGS += -DUSE_PARENS_AROUND_GETTEXT_N=1
+else
+ifeq (no,$(USE_PARENS_AROUND_GETTEXT_N))
+ BASIC_CFLAGS += -DUSE_PARENS_AROUND_GETTEXT_N=0
+endif
+endif
+
ifeq ($(uname_S),Darwin)
ifndef NO_FINK
ifeq ($(shell test -d /sw/lib && echo y),y)
diff --git a/gettext.h b/gettext.h
index 7671d09d04..dc1722dd4b 100644
--- a/gettext.h
+++ b/gettext.h
@@ -63,6 +63,30 @@ const char *Q_(const char *msgid, const char *plu, unsigned long n)
}
/* Mark msgid for translation but do not translate it. */
+#if !USE_PARENS_AROUND_GETTEXT_N
#define N_(msgid) msgid
+#else
+/*
+ * Strictly speaking, this will lead to invalid C when
+ * used this way:
+ * static const char s[] = N_("FOO");
+ * which will expand to
+ * static const char s[] = ("FOO");
+ * and in valid C, the initializer on the right hand side must
+ * be without the parentheses. But many compilers do accept it
+ * as a language extension and it will allow us to catch mistakes
+ * like:
+ * static const char *msgs[] = {
+ * N_("one")
+ * N_("two"),
+ * N_("three"),
+ * NULL
+ * };
+ * (notice the missing comma on one of the lines) by forcing
+ * a compilation error, because parenthesised ("one") ("two")
+ * will not get silently turned into ("onetwo").
+ */
+#define N_(msgid) (msgid)
+#endif
#endif
diff --git a/git-compat-util.h b/git-compat-util.h
index 400e921086..572664371d 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -828,4 +828,8 @@ struct tm *git_gmtime_r(const time_t *, struct tm *);
#define gmtime_r git_gmtime_r
#endif
+#if !defined(USE_PARENS_AROUND_GETTEXT_N) && defined(__GNUC__)
+#define USE_PARENS_AROUND_GETTEXT_N 1
+#endif
+
#endif