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config.mk: fix POSIX_C_SOURCE macro for feature test for snprintf() - dwm - dyn… |
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git clone git://git.suckless.org/dwm |
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commit c82db690cc0c4624dad4dc6ae899020799ec84db |
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parent cb3f58ad06993f7ef3a7d8f61468012e2b786cab |
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Author: Hiltjo Posthuma <[email protected]> |
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Date: Fri, 3 Apr 2020 15:36:32 +0200 |
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config.mk: fix POSIX_C_SOURCE macro for feature test for snprintf() |
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The feature test was incorrect: |
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_POSIX_C_SOURCE=2 |
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"The value 2 or greater additionally exposes definitions for POSIX.2-1992." |
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http://man7.org/linux/man-pages/man7/feature_test_macros.7.html |
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A higher value is needed (atleast 1995): |
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https://pubs.opengroup.org/onlinepubs/9699919799/functions/snprintf.html |
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FreeBSD feature test macro: |
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on |
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https://github.com/freebsd/freebsd/blob/master/include/stdio.h line 297 |
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This was already fixed in dmenu. |
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This fixes a warning on FreeBSD, reported by Plasmoduck on IRC, thanks. |
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Diffstat: |
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M config.mk | 2 +- |
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1 file changed, 1 insertion(+), 1 deletion(-) |
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--- |
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diff --git a/config.mk b/config.mk |
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@@ -25,7 +25,7 @@ INCS = -I${X11INC} -I${FREETYPEINC} |
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LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS} |
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# flags |
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-CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_POSIX_C_SOURCE=2 -DVERSION=\"${V… |
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+CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_POSIX_C_SOURCE=200809L -DVERSION… |
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#CFLAGS = -g -std=c99 -pedantic -Wall -O0 ${INCS} ${CPPFLAGS} |
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CFLAGS = -std=c99 -pedantic -Wall -Wno-deprecated-declarations -Os ${INCS} $… |
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LDFLAGS = ${LIBS} |
