Merge pull request #18

4212f7d packaging: add pkg-config file to gitignore (Cory Fields)
67a4765 packaging: fixup pkg-config (Cory Fields)
81b2fae packaging: remove the --with-pkgconfigdir option (Cory Fields)
c7ee71f add pkg-config support (Amir Taaki)

.gitignore

@@ -32,3 +32,4 @@ m4/ltsugar.m4
 m4/ltversion.m4
 m4/lt~obsolete.m4
 src/stamp-h1
+libsecp256k1.pc

Makefile.am

@@ -32,6 +32,9 @@ noinst_HEADERS += src/field_gmp_impl.h
 noinst_HEADERS += src/field.h
 noinst_HEADERS += src/field_impl.h
 
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = libsecp256k1.pc
+
 if USE_ASM
 libsecp256k1_la_SOURCES += src/field_5x52_asm.asm
 endif

configure.ac

@@ -294,7 +294,7 @@ AC_MSG_NOTICE([Using field implementation: $set_field])
 AC_MSG_NOTICE([Using bignum implementation: $set_bignum])
 
 AC_CONFIG_HEADERS([src/libsecp256k1-config.h])
-AC_CONFIG_FILES([Makefile])
+AC_CONFIG_FILES([Makefile libsecp256k1.pc])
 AC_SUBST(SECP_INCLUDES)
 AC_SUBST(SECP_LIBS)
 AC_SUBST(SECP_TEST_LIBS)

libsecp256k1.pc.in

@@ -0,0 +1,13 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: libsecp256k1
+Description: Optimized C library for EC operations on curve secp256k1
+URL: https://github.com/bitcoin/secp256k1
+Version: @PACKAGE_VERSION@
+Cflags: -I${includedir}
+Libs.private: @SECP_LIBS@
+Libs: -L${libdir} -lsecp256k1
+