Use SP_API prefix for functions in libserialport.h.

[libserialport.git] / Makefile.am

diff --git a/Makefile.am b/Makefile.am
index bbc4b3b162e2100a7ac283451475b74000a6ceb8..b2a12937ff7c85db3c4af1d15eb66311e9ff7b9f 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -24,6 +24,9 @@ GNUMAKEFLAGS = --no-print-directory
 
 # Enable more compiler warnings.
 AM_CFLAGS = -std=c99 -Wall -Wextra -pedantic -Wmissing-prototypes -Wshadow
+# Set flag used in libserialport.h to indicate we are building the library
+# using autotools.
+AM_CFLAGS += -DLIBSERIALPORT_ATBUILD
 
 lib_LTLIBRARIES = libserialport.la